./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label08.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_f40ebe24-075b-4fdb-b2d5-cca05f2d0320/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f40ebe24-075b-4fdb-b2d5-cca05f2d0320/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f40ebe24-075b-4fdb-b2d5-cca05f2d0320/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f40ebe24-075b-4fdb-b2d5-cca05f2d0320/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label08.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f40ebe24-075b-4fdb-b2d5-cca05f2d0320/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f40ebe24-075b-4fdb-b2d5-cca05f2d0320/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 1fca60a421a39fa5f3f8d3bde13bd29dacb18de8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:43:56,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:43:56,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:43:56,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:43:56,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:43:56,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:43:56,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:43:56,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:43:56,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:43:56,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:43:56,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:43:56,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:43:56,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:43:56,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:43:56,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:43:56,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:43:56,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:43:56,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:43:56,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:43:56,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:43:56,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:43:56,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:43:56,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:43:56,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:43:56,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:43:56,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:43:56,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:43:56,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:43:56,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:43:56,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:43:56,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:43:56,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:43:56,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:43:56,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:43:56,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:43:56,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:43:56,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:43:56,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:43:56,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:43:56,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:43:56,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:43:56,863 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f40ebe24-075b-4fdb-b2d5-cca05f2d0320/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:43:56,913 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:43:56,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:43:56,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:43:56,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:43:56,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:43:56,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:43:56,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:43:56,921 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:43:56,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:43:56,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:43:56,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:43:56,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:43:56,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:43:56,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:43:56,923 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:43:56,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:43:56,924 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:43:56,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:43:56,925 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:43:56,925 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:43:56,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:43:56,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:43:56,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:43:56,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:43:56,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:43:56,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:43:56,933 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:43:56,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:43:56,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:43:56,936 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_f40ebe24-075b-4fdb-b2d5-cca05f2d0320/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f40ebe24-075b-4fdb-b2d5-cca05f2d0320/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fca60a421a39fa5f3f8d3bde13bd29dacb18de8 [2020-12-01 16:43:57,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:43:57,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:43:57,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:43:57,261 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:43:57,262 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:43:57,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f40ebe24-075b-4fdb-b2d5-cca05f2d0320/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label08.c [2020-12-01 16:43:57,366 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f40ebe24-075b-4fdb-b2d5-cca05f2d0320/bin/ukojak/data/401ebb73c/151914d8fd454e1e8d0fa7411093a606/FLAG06ec616a8 [2020-12-01 16:43:57,965 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:43:57,965 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f40ebe24-075b-4fdb-b2d5-cca05f2d0320/sv-benchmarks/c/eca-rers2012/Problem01_label08.c [2020-12-01 16:43:57,981 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f40ebe24-075b-4fdb-b2d5-cca05f2d0320/bin/ukojak/data/401ebb73c/151914d8fd454e1e8d0fa7411093a606/FLAG06ec616a8 [2020-12-01 16:43:58,174 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f40ebe24-075b-4fdb-b2d5-cca05f2d0320/bin/ukojak/data/401ebb73c/151914d8fd454e1e8d0fa7411093a606 [2020-12-01 16:43:58,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:43:58,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:43:58,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:43:58,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:43:58,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:43:58,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:43:58" (1/1) ... [2020-12-01 16:43:58,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c8aec2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:58, skipping insertion in model container [2020-12-01 16:43:58,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:43:58" (1/1) ... [2020-12-01 16:43:58,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:43:58,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:43:58,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:43:58,617 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:43:58,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:43:58,858 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:43:58,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:58 WrapperNode [2020-12-01 16:43:58,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:43:58,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:43:58,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:43:58,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:43:58,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:58" (1/1) ... [2020-12-01 16:43:58,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:58" (1/1) ... [2020-12-01 16:43:58,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:43:58,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:43:58,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:43:58,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:43:59,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:58" (1/1) ... [2020-12-01 16:43:59,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:58" (1/1) ... [2020-12-01 16:43:59,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:58" (1/1) ... [2020-12-01 16:43:59,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:58" (1/1) ... [2020-12-01 16:43:59,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:58" (1/1) ... [2020-12-01 16:43:59,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:58" (1/1) ... [2020-12-01 16:43:59,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:58" (1/1) ... [2020-12-01 16:43:59,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:43:59,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:43:59,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:43:59,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:43:59,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f40ebe24-075b-4fdb-b2d5-cca05f2d0320/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:43:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:43:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:43:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:43:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:44:01,755 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:44:01,755 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 16:44:01,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:44:01 BoogieIcfgContainer [2020-12-01 16:44:01,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:44:01,759 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:44:01,760 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:44:01,771 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:44:01,772 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:44:01" (1/1) ... [2020-12-01 16:44:01,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:44:01,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:01,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2020-12-01 16:44:01,842 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2020-12-01 16:44:01,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 16:44:01,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:02,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:03,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:03,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 145 states and 231 transitions. [2020-12-01 16:44:03,011 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 231 transitions. [2020-12-01 16:44:03,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 16:44:03,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:03,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:44:04,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:04,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 218 states and 308 transitions. [2020-12-01 16:44:04,135 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 308 transitions. [2020-12-01 16:44:04,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 16:44:04,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:04,441 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 16:44:04,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:04,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 225 states and 319 transitions. [2020-12-01 16:44:04,994 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 319 transitions. [2020-12-01 16:44:05,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 16:44:05,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:05,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:05,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 226 states and 321 transitions. [2020-12-01 16:44:05,224 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 321 transitions. [2020-12-01 16:44:05,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 16:44:05,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:05,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:05,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 229 states and 324 transitions. [2020-12-01 16:44:05,302 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 324 transitions. [2020-12-01 16:44:05,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 16:44:05,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:05,414 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:05,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:05,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 237 states and 336 transitions. [2020-12-01 16:44:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 336 transitions. [2020-12-01 16:44:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 16:44:05,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:06,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:06,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 244 states and 346 transitions. [2020-12-01 16:44:06,511 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 346 transitions. [2020-12-01 16:44:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 16:44:06,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:06,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:06,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 246 states and 348 transitions. [2020-12-01 16:44:06,599 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 348 transitions. [2020-12-01 16:44:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-01 16:44:06,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:06,672 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:06,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:06,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 247 states and 349 transitions. [2020-12-01 16:44:06,740 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 349 transitions. [2020-12-01 16:44:06,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 16:44:06,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:06,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:06,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 250 states and 352 transitions. [2020-12-01 16:44:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 352 transitions. [2020-12-01 16:44:06,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 16:44:06,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:06,922 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:06,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:06,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 253 states and 355 transitions. [2020-12-01 16:44:06,971 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 355 transitions. [2020-12-01 16:44:06,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 16:44:06,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:07,058 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:07,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:07,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 259 states and 366 transitions. [2020-12-01 16:44:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 366 transitions. [2020-12-01 16:44:07,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 16:44:07,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:44:08,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 272 states and 383 transitions. [2020-12-01 16:44:08,535 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 383 transitions. [2020-12-01 16:44:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 16:44:08,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:44:09,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:09,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 278 states and 390 transitions. [2020-12-01 16:44:09,100 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 390 transitions. [2020-12-01 16:44:09,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-01 16:44:09,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:09,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:09,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 290 states and 405 transitions. [2020-12-01 16:44:09,672 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 405 transitions. [2020-12-01 16:44:09,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-01 16:44:09,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:09,787 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:44:10,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:10,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 299 states and 418 transitions. [2020-12-01 16:44:10,268 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 418 transitions. [2020-12-01 16:44:10,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-01 16:44:10,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:10,376 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:44:11,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:11,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 314 states and 442 transitions. [2020-12-01 16:44:11,270 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 442 transitions. [2020-12-01 16:44:11,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-01 16:44:11,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:11,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:11,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 325 states and 455 transitions. [2020-12-01 16:44:11,705 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 455 transitions. [2020-12-01 16:44:11,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-01 16:44:11,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:11,867 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:12,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:12,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 337 states and 469 transitions. [2020-12-01 16:44:12,519 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 469 transitions. [2020-12-01 16:44:12,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-01 16:44:12,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:12,684 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:13,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 342 states and 476 transitions. [2020-12-01 16:44:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 476 transitions. [2020-12-01 16:44:13,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-01 16:44:13,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:13,485 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:14,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:14,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 349 states and 487 transitions. [2020-12-01 16:44:14,265 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 487 transitions. [2020-12-01 16:44:14,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-01 16:44:14,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:14,305 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:14,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:14,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 357 states and 497 transitions. [2020-12-01 16:44:14,398 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 497 transitions. [2020-12-01 16:44:14,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-01 16:44:14,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:14,431 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:44:15,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:15,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 372 states and 517 transitions. [2020-12-01 16:44:15,649 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 517 transitions. [2020-12-01 16:44:15,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-01 16:44:15,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:15,695 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:44:15,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:15,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 374 states and 518 transitions. [2020-12-01 16:44:15,832 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 518 transitions. [2020-12-01 16:44:15,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-01 16:44:15,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:15,874 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:15,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:15,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 377 states and 521 transitions. [2020-12-01 16:44:15,918 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 521 transitions. [2020-12-01 16:44:15,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-01 16:44:15,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:16,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:16,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 382 states and 526 transitions. [2020-12-01 16:44:16,344 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 526 transitions. [2020-12-01 16:44:16,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-01 16:44:16,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:44:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:16,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 391 states and 538 transitions. [2020-12-01 16:44:16,980 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 538 transitions. [2020-12-01 16:44:16,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-01 16:44:16,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:44:17,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:17,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 394 states and 541 transitions. [2020-12-01 16:44:17,241 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 541 transitions. [2020-12-01 16:44:17,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 16:44:17,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:17,349 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 16:44:18,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:18,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 409 states and 562 transitions. [2020-12-01 16:44:18,358 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 562 transitions. [2020-12-01 16:44:18,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 16:44:18,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:18,398 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:44:18,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:18,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 411 states and 563 transitions. [2020-12-01 16:44:18,562 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 563 transitions. [2020-12-01 16:44:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 16:44:18,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:18,602 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:44:18,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:18,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 416 states and 567 transitions. [2020-12-01 16:44:18,741 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 567 transitions. [2020-12-01 16:44:18,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 16:44:18,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:18,788 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:44:19,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:19,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 433 states and 586 transitions. [2020-12-01 16:44:19,126 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 586 transitions. [2020-12-01 16:44:19,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 16:44:19,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:19,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:19,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 441 states and 596 transitions. [2020-12-01 16:44:19,251 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 596 transitions. [2020-12-01 16:44:19,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-01 16:44:19,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:19,300 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:44:19,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:19,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 447 states and 604 transitions. [2020-12-01 16:44:19,783 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 604 transitions. [2020-12-01 16:44:19,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-01 16:44:19,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:20,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:20,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 470 states and 633 transitions. [2020-12-01 16:44:20,296 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 633 transitions. [2020-12-01 16:44:20,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-01 16:44:20,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:20,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:20,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 471 states and 634 transitions. [2020-12-01 16:44:20,399 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 634 transitions. [2020-12-01 16:44:20,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-01 16:44:20,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:20,449 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:44:20,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:20,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 485 states and 649 transitions. [2020-12-01 16:44:20,814 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 649 transitions. [2020-12-01 16:44:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-01 16:44:20,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:21,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:21,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 496 states and 662 transitions. [2020-12-01 16:44:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 662 transitions. [2020-12-01 16:44:21,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-01 16:44:21,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:21,374 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:21,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:21,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 519 states and 686 transitions. [2020-12-01 16:44:21,760 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 686 transitions. [2020-12-01 16:44:21,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-01 16:44:21,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:21,872 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:22,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:22,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 520 states and 695 transitions. [2020-12-01 16:44:22,271 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 695 transitions. [2020-12-01 16:44:22,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-01 16:44:22,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:22,316 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:23,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:23,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 561 states and 740 transitions. [2020-12-01 16:44:23,358 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 740 transitions. [2020-12-01 16:44:23,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-01 16:44:23,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:23,421 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:44:23,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:23,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 570 states and 750 transitions. [2020-12-01 16:44:23,647 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 750 transitions. [2020-12-01 16:44:23,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-01 16:44:23,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:23,823 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:25,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:25,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 606 states and 792 transitions. [2020-12-01 16:44:25,346 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 792 transitions. [2020-12-01 16:44:25,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-01 16:44:25,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:25,399 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:25,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:25,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 609 states and 797 transitions. [2020-12-01 16:44:25,727 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 797 transitions. [2020-12-01 16:44:25,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-01 16:44:25,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:26,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:26,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 632 states and 819 transitions. [2020-12-01 16:44:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 819 transitions. [2020-12-01 16:44:26,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-01 16:44:26,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:27,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:27,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 650 states and 841 transitions. [2020-12-01 16:44:27,344 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 841 transitions. [2020-12-01 16:44:27,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 16:44:27,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:27,397 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:44:28,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:28,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 659 states and 853 transitions. [2020-12-01 16:44:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 853 transitions. [2020-12-01 16:44:28,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 16:44:28,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:28,207 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:28,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:28,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 660 states and 854 transitions. [2020-12-01 16:44:28,277 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 854 transitions. [2020-12-01 16:44:28,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-01 16:44:28,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:28,325 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:29,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:29,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 701 states and 898 transitions. [2020-12-01 16:44:29,827 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 898 transitions. [2020-12-01 16:44:29,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-01 16:44:29,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:29,885 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:44:30,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:30,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 720 states and 917 transitions. [2020-12-01 16:44:30,204 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 917 transitions. [2020-12-01 16:44:30,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-01 16:44:30,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:30,250 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 16:44:30,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:30,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 725 states and 921 transitions. [2020-12-01 16:44:30,542 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 921 transitions. [2020-12-01 16:44:30,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-01 16:44:30,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:30,613 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:44:31,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:31,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 740 states and 937 transitions. [2020-12-01 16:44:31,259 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 937 transitions. [2020-12-01 16:44:31,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-01 16:44:31,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:31,308 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:44:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:32,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 750 states and 946 transitions. [2020-12-01 16:44:32,084 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 946 transitions. [2020-12-01 16:44:32,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-01 16:44:32,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:32,242 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:34,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:34,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 795 states and 994 transitions. [2020-12-01 16:44:34,085 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 994 transitions. [2020-12-01 16:44:34,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-01 16:44:34,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:34,162 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:44:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:34,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 800 states and 1000 transitions. [2020-12-01 16:44:34,558 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1000 transitions. [2020-12-01 16:44:34,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-01 16:44:34,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:34,783 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:44:36,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:36,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 842 states and 1045 transitions. [2020-12-01 16:44:36,215 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1045 transitions. [2020-12-01 16:44:36,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-12-01 16:44:36,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 68 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:38,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 889 states and 1100 transitions. [2020-12-01 16:44:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1100 transitions. [2020-12-01 16:44:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-12-01 16:44:38,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:38,434 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:44:38,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:38,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 892 states and 1103 transitions. [2020-12-01 16:44:38,737 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1103 transitions. [2020-12-01 16:44:38,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-01 16:44:38,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:38,804 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:44:38,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:38,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 894 states and 1105 transitions. [2020-12-01 16:44:38,844 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1105 transitions. [2020-12-01 16:44:38,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-01 16:44:38,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:38,994 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 16:44:40,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:40,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 940 states and 1153 transitions. [2020-12-01 16:44:40,705 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1153 transitions. [2020-12-01 16:44:40,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 16:44:40,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:40,761 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:42,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:42,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 966 states and 1188 transitions. [2020-12-01 16:44:42,052 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1188 transitions. [2020-12-01 16:44:42,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 16:44:42,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:44:42,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:42,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 971 states and 1194 transitions. [2020-12-01 16:44:42,400 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1194 transitions. [2020-12-01 16:44:42,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-01 16:44:42,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:42,458 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:42,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:42,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 973 states and 1197 transitions. [2020-12-01 16:44:42,556 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1197 transitions. [2020-12-01 16:44:42,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-01 16:44:42,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:42,625 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 16:44:42,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:42,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 976 states and 1200 transitions. [2020-12-01 16:44:42,689 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1200 transitions. [2020-12-01 16:44:42,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-01 16:44:42,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:42,752 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:43,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:43,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 996 states and 1221 transitions. [2020-12-01 16:44:43,821 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1221 transitions. [2020-12-01 16:44:43,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 16:44:43,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:43,868 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 16:44:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:44,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1006 states and 1235 transitions. [2020-12-01 16:44:44,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1235 transitions. [2020-12-01 16:44:44,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 16:44:44,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:44,876 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 16:44:45,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:45,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1012 states and 1241 transitions. [2020-12-01 16:44:45,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1241 transitions. [2020-12-01 16:44:45,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 16:44:45,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:45,737 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 16:44:46,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:46,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1014 states and 1247 transitions. [2020-12-01 16:44:46,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1247 transitions. [2020-12-01 16:44:46,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-01 16:44:46,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:46,295 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:46,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:46,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1037 states and 1272 transitions. [2020-12-01 16:44:46,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1272 transitions. [2020-12-01 16:44:46,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-01 16:44:46,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:46,865 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:44:48,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:48,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1054 states and 1289 transitions. [2020-12-01 16:44:48,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1289 transitions. [2020-12-01 16:44:48,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-12-01 16:44:48,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:48,160 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 16:44:48,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1055 states and 1289 transitions. [2020-12-01 16:44:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1289 transitions. [2020-12-01 16:44:48,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-12-01 16:44:48,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:48,419 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:49,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:49,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1076 states and 1310 transitions. [2020-12-01 16:44:49,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1310 transitions. [2020-12-01 16:44:49,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-12-01 16:44:49,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:50,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:50,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1100 states and 1338 transitions. [2020-12-01 16:44:50,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1338 transitions. [2020-12-01 16:44:50,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-12-01 16:44:50,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:51,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:51,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1124 states and 1364 transitions. [2020-12-01 16:44:51,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1364 transitions. [2020-12-01 16:44:51,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-01 16:44:51,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:51,567 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:44:52,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:52,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1161 states and 1404 transitions. [2020-12-01 16:44:52,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1404 transitions. [2020-12-01 16:44:52,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-01 16:44:52,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:52,808 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:44:53,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:53,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1194 states and 1437 transitions. [2020-12-01 16:44:53,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1437 transitions. [2020-12-01 16:44:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-12-01 16:44:53,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:53,961 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:44:54,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:54,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1205 states and 1448 transitions. [2020-12-01 16:44:54,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1448 transitions. [2020-12-01 16:44:54,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-12-01 16:44:54,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:54,521 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:44:54,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1215 states and 1457 transitions. [2020-12-01 16:44:54,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1457 transitions. [2020-12-01 16:44:54,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-12-01 16:44:54,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:55,573 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 96 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:44:59,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:59,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1292 states and 1548 transitions. [2020-12-01 16:44:59,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1548 transitions. [2020-12-01 16:44:59,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-01 16:44:59,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:44:59,396 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 16:44:59,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:44:59,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1314 states and 1573 transitions. [2020-12-01 16:44:59,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1573 transitions. [2020-12-01 16:44:59,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-01 16:44:59,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:44:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:00,064 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 16:45:00,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:00,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1317 states and 1577 transitions. [2020-12-01 16:45:00,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1577 transitions. [2020-12-01 16:45:00,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-01 16:45:00,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:00,962 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 16:45:01,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:01,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1323 states and 1584 transitions. [2020-12-01 16:45:01,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1584 transitions. [2020-12-01 16:45:01,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-12-01 16:45:01,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 63 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:45:06,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:06,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 1488 states and 1772 transitions. [2020-12-01 16:45:06,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1772 transitions. [2020-12-01 16:45:06,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-12-01 16:45:06,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:06,827 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 63 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:45:07,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:07,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1492 states and 1777 transitions. [2020-12-01 16:45:07,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1777 transitions. [2020-12-01 16:45:07,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-12-01 16:45:07,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:07,831 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-12-01 16:45:08,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1518 states and 1803 transitions. [2020-12-01 16:45:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1803 transitions. [2020-12-01 16:45:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-12-01 16:45:08,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:08,974 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-12-01 16:45:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1521 states and 1805 transitions. [2020-12-01 16:45:09,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1805 transitions. [2020-12-01 16:45:09,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 16:45:09,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:45:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:11,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1589 states and 1873 transitions. [2020-12-01 16:45:11,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 1873 transitions. [2020-12-01 16:45:11,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-12-01 16:45:11,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:45:13,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:13,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1617 states and 1906 transitions. [2020-12-01 16:45:13,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 1906 transitions. [2020-12-01 16:45:13,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-12-01 16:45:13,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:13,954 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:45:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:14,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1618 states and 1906 transitions. [2020-12-01 16:45:14,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 1906 transitions. [2020-12-01 16:45:14,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-12-01 16:45:14,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:14,376 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:45:15,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:15,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1622 states and 1911 transitions. [2020-12-01 16:45:15,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 1911 transitions. [2020-12-01 16:45:15,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-12-01 16:45:15,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:15,405 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 16:45:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1624 states and 1912 transitions. [2020-12-01 16:45:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 1912 transitions. [2020-12-01 16:45:15,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-12-01 16:45:15,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:15,844 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-12-01 16:45:16,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:16,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1625 states and 1912 transitions. [2020-12-01 16:45:16,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 1912 transitions. [2020-12-01 16:45:16,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 16:45:16,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:16,748 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:45:20,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 1740 states and 2036 transitions. [2020-12-01 16:45:20,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2036 transitions. [2020-12-01 16:45:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-01 16:45:20,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:20,878 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:45:21,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:21,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 1742 states and 2039 transitions. [2020-12-01 16:45:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2039 transitions. [2020-12-01 16:45:21,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-12-01 16:45:21,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:21,542 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-12-01 16:45:21,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:21,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 1767 states and 2063 transitions. [2020-12-01 16:45:21,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2063 transitions. [2020-12-01 16:45:21,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-12-01 16:45:21,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:22,058 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:45:25,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:25,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 1812 states and 2130 transitions. [2020-12-01 16:45:25,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2130 transitions. [2020-12-01 16:45:25,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-12-01 16:45:25,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:25,990 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:45:28,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:28,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 1849 states and 2173 transitions. [2020-12-01 16:45:28,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2173 transitions. [2020-12-01 16:45:28,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-12-01 16:45:28,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:28,195 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:45:29,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:29,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1853 states and 2176 transitions. [2020-12-01 16:45:29,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2176 transitions. [2020-12-01 16:45:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-12-01 16:45:29,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:45:30,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:30,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1882 states and 2207 transitions. [2020-12-01 16:45:30,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2207 transitions. [2020-12-01 16:45:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-12-01 16:45:30,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:30,516 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:45:31,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:31,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 1915 states and 2240 transitions. [2020-12-01 16:45:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2240 transitions. [2020-12-01 16:45:31,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-12-01 16:45:31,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:31,883 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:45:32,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:32,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 1935 states and 2259 transitions. [2020-12-01 16:45:32,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2259 transitions. [2020-12-01 16:45:32,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-12-01 16:45:32,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:45:34,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2297 states to 1971 states and 2297 transitions. [2020-12-01 16:45:34,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2297 transitions. [2020-12-01 16:45:34,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-12-01 16:45:34,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:45:35,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:35,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 1994 states and 2320 transitions. [2020-12-01 16:45:35,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2320 transitions. [2020-12-01 16:45:35,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-12-01 16:45:35,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:35,196 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:45:35,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:35,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 1997 states and 2322 transitions. [2020-12-01 16:45:35,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2322 transitions. [2020-12-01 16:45:35,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-12-01 16:45:35,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:35,797 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:45:36,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:36,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 2000 states and 2324 transitions. [2020-12-01 16:45:36,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2324 transitions. [2020-12-01 16:45:36,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-01 16:45:36,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:37,452 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:45:41,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:41,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 2030 states and 2359 transitions. [2020-12-01 16:45:41,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2359 transitions. [2020-12-01 16:45:41,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-01 16:45:41,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:41,921 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-12-01 16:45:43,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:43,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2047 states and 2377 transitions. [2020-12-01 16:45:43,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2377 transitions. [2020-12-01 16:45:43,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-12-01 16:45:43,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:43,089 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-01 16:45:45,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:45,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 2081 states and 2413 transitions. [2020-12-01 16:45:45,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2413 transitions. [2020-12-01 16:45:45,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-12-01 16:45:45,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:45,697 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-01 16:45:46,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:46,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2083 states and 2414 transitions. [2020-12-01 16:45:46,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2414 transitions. [2020-12-01 16:45:46,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-12-01 16:45:46,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:46,463 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 16:45:49,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:49,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2124 states and 2464 transitions. [2020-12-01 16:45:49,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 2464 transitions. [2020-12-01 16:45:49,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-12-01 16:45:49,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 16:45:50,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:50,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2134 states and 2478 transitions. [2020-12-01 16:45:50,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2478 transitions. [2020-12-01 16:45:50,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 16:45:50,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-12-01 16:45:51,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:51,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2204 states and 2550 transitions. [2020-12-01 16:45:51,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 2550 transitions. [2020-12-01 16:45:51,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 16:45:51,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:51,799 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-12-01 16:45:52,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:52,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2206 states and 2551 transitions. [2020-12-01 16:45:52,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2551 transitions. [2020-12-01 16:45:52,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 16:45:52,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:52,459 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-12-01 16:45:52,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 2208 states and 2552 transitions. [2020-12-01 16:45:52,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 2552 transitions. [2020-12-01 16:45:52,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-12-01 16:45:52,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:53,472 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 197 proven. 46 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-01 16:45:56,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:56,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2247 states and 2592 transitions. [2020-12-01 16:45:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2247 states and 2592 transitions. [2020-12-01 16:45:56,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-12-01 16:45:56,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:57,662 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 248 proven. 27 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-12-01 16:46:00,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:00,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2264 states and 2611 transitions. [2020-12-01 16:46:00,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 2611 transitions. [2020-12-01 16:46:00,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-12-01 16:46:00,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:00,322 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 16:46:02,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2267 states and 2616 transitions. [2020-12-01 16:46:02,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2616 transitions. [2020-12-01 16:46:02,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-12-01 16:46:02,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:02,386 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 155 proven. 90 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:46:05,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:05,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2313 states and 2672 transitions. [2020-12-01 16:46:05,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 2672 transitions. [2020-12-01 16:46:05,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-12-01 16:46:05,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:06,812 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 223 proven. 38 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 16:46:12,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:12,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 2368 states and 2742 transitions. [2020-12-01 16:46:12,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 2742 transitions. [2020-12-01 16:46:12,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-12-01 16:46:12,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:12,953 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 223 proven. 38 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 16:46:15,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:15,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2383 states and 2759 transitions. [2020-12-01 16:46:15,448 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 2759 transitions. [2020-12-01 16:46:15,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-12-01 16:46:15,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 223 proven. 38 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 16:46:17,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:17,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2417 states and 2793 transitions. [2020-12-01 16:46:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 2793 transitions. [2020-12-01 16:46:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-12-01 16:46:17,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:17,297 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 223 proven. 38 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 16:46:18,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:18,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2450 states and 2826 transitions. [2020-12-01 16:46:18,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 2826 transitions. [2020-12-01 16:46:18,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-12-01 16:46:18,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 223 proven. 38 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 16:46:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:19,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2456 states and 2834 transitions. [2020-12-01 16:46:19,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 2834 transitions. [2020-12-01 16:46:19,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-12-01 16:46:19,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:20,010 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-12-01 16:46:22,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:22,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2482 states and 2861 transitions. [2020-12-01 16:46:22,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 2861 transitions. [2020-12-01 16:46:22,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-12-01 16:46:22,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:22,256 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-12-01 16:46:23,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:23,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2505 states and 2885 transitions. [2020-12-01 16:46:23,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 2885 transitions. [2020-12-01 16:46:23,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-12-01 16:46:23,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:23,801 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-12-01 16:46:25,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:25,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2518 states and 2899 transitions. [2020-12-01 16:46:25,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 2899 transitions. [2020-12-01 16:46:25,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-12-01 16:46:25,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:25,556 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-12-01 16:46:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:26,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2525 states and 2908 transitions. [2020-12-01 16:46:26,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 2908 transitions. [2020-12-01 16:46:26,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-12-01 16:46:26,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-12-01 16:46:27,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:27,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2528 states and 2910 transitions. [2020-12-01 16:46:27,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 2910 transitions. [2020-12-01 16:46:27,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-12-01 16:46:27,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:27,703 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 66 proven. 201 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:46:28,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:28,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2537 states and 2921 transitions. [2020-12-01 16:46:28,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 2921 transitions. [2020-12-01 16:46:28,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-12-01 16:46:28,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:30,281 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 227 proven. 89 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:46:34,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:34,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2558 states and 2944 transitions. [2020-12-01 16:46:34,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 2944 transitions. [2020-12-01 16:46:34,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-12-01 16:46:34,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2020-12-01 16:46:35,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:35,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2562 states and 2949 transitions. [2020-12-01 16:46:35,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 2949 transitions. [2020-12-01 16:46:35,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-12-01 16:46:35,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:35,917 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2020-12-01 16:46:36,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:36,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2563 states and 2951 transitions. [2020-12-01 16:46:36,824 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 2951 transitions. [2020-12-01 16:46:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-12-01 16:46:36,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:36,950 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2020-12-01 16:46:37,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:37,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2578 states and 2967 transitions. [2020-12-01 16:46:37,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 2967 transitions. [2020-12-01 16:46:37,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-12-01 16:46:37,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:37,934 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2020-12-01 16:46:39,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:39,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2593 states and 2984 transitions. [2020-12-01 16:46:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states and 2984 transitions. [2020-12-01 16:46:39,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-12-01 16:46:39,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:39,524 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 66 proven. 208 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:46:40,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:40,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 2600 states and 2992 transitions. [2020-12-01 16:46:40,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 2992 transitions. [2020-12-01 16:46:40,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-12-01 16:46:40,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 274 proven. 62 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-12-01 16:46:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:48,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 2655 states and 3064 transitions. [2020-12-01 16:46:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2655 states and 3064 transitions. [2020-12-01 16:46:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-12-01 16:46:48,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:49,190 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 274 proven. 62 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-12-01 16:46:51,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:52,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 2692 states and 3103 transitions. [2020-12-01 16:46:52,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 3103 transitions. [2020-12-01 16:46:52,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-12-01 16:46:52,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:52,459 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 66 proven. 211 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:46:52,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:52,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3107 states to 2695 states and 3107 transitions. [2020-12-01 16:46:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3107 transitions. [2020-12-01 16:46:52,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-12-01 16:46:52,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:54,137 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 237 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:46:57,114 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2020-12-01 16:47:01,315 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2020-12-01 16:47:06,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:06,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 2802 states and 3238 transitions. [2020-12-01 16:47:06,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3238 transitions. [2020-12-01 16:47:06,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-12-01 16:47:06,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:06,365 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 237 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:47:09,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:09,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 2837 states and 3271 transitions. [2020-12-01 16:47:09,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2837 states and 3271 transitions. [2020-12-01 16:47:09,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-12-01 16:47:09,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:10,089 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 237 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:47:11,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:11,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 2839 states and 3279 transitions. [2020-12-01 16:47:11,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3279 transitions. [2020-12-01 16:47:11,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-12-01 16:47:11,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:11,537 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 237 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:47:12,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:12,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 2841 states and 3281 transitions. [2020-12-01 16:47:12,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3281 transitions. [2020-12-01 16:47:12,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-12-01 16:47:12,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:12,977 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 237 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:47:14,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:14,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 2843 states and 3283 transitions. [2020-12-01 16:47:14,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3283 transitions. [2020-12-01 16:47:14,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-12-01 16:47:14,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:14,539 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2020-12-01 16:47:15,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:15,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 2848 states and 3287 transitions. [2020-12-01 16:47:15,145 INFO L276 IsEmpty]: Start isEmpty. Operand 2848 states and 3287 transitions. [2020-12-01 16:47:15,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-12-01 16:47:15,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-12-01 16:47:17,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:17,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 2863 states and 3303 transitions. [2020-12-01 16:47:17,216 INFO L276 IsEmpty]: Start isEmpty. Operand 2863 states and 3303 transitions. [2020-12-01 16:47:17,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-12-01 16:47:17,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:17,292 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-12-01 16:47:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:18,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 2874 states and 3314 transitions. [2020-12-01 16:47:18,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 3314 transitions. [2020-12-01 16:47:18,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-12-01 16:47:18,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:18,889 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-12-01 16:47:20,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:20,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 2884 states and 3323 transitions. [2020-12-01 16:47:20,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2884 states and 3323 transitions. [2020-12-01 16:47:20,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-12-01 16:47:20,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 188 proven. 112 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-12-01 16:47:23,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:23,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 2959 states and 3399 transitions. [2020-12-01 16:47:23,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 3399 transitions. [2020-12-01 16:47:23,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-12-01 16:47:23,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:23,558 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-12-01 16:47:24,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:24,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 2960 states and 3399 transitions. [2020-12-01 16:47:24,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3399 transitions. [2020-12-01 16:47:24,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-12-01 16:47:24,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:24,310 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-12-01 16:47:26,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:26,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 2991 states and 3435 transitions. [2020-12-01 16:47:26,404 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states and 3435 transitions. [2020-12-01 16:47:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:47:26,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 136 proven. 138 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-12-01 16:47:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:29,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3444 states to 2996 states and 3444 transitions. [2020-12-01 16:47:29,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2996 states and 3444 transitions. [2020-12-01 16:47:29,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:47:29,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 136 proven. 138 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-12-01 16:47:30,144 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2020-12-01 16:47:31,453 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-12-01 16:47:33,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:33,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 3006 states and 3454 transitions. [2020-12-01 16:47:33,579 INFO L276 IsEmpty]: Start isEmpty. Operand 3006 states and 3454 transitions. [2020-12-01 16:47:33,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:47:33,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 67 proven. 215 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:47:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:34,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3461 states to 3012 states and 3461 transitions. [2020-12-01 16:47:34,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3012 states and 3461 transitions. [2020-12-01 16:47:34,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:47:34,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:34,867 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 67 proven. 215 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:47:39,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3492 states to 3041 states and 3492 transitions. [2020-12-01 16:47:39,829 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 3492 transitions. [2020-12-01 16:47:39,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-12-01 16:47:39,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:40,895 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 300 proven. 116 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 16:47:46,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:46,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3082 states and 3540 transitions. [2020-12-01 16:47:46,304 INFO L276 IsEmpty]: Start isEmpty. Operand 3082 states and 3540 transitions. [2020-12-01 16:47:46,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-12-01 16:47:46,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:46,638 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 69 proven. 246 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-12-01 16:47:46,995 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2020-12-01 16:47:49,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:49,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3576 states to 3113 states and 3576 transitions. [2020-12-01 16:47:49,315 INFO L276 IsEmpty]: Start isEmpty. Operand 3113 states and 3576 transitions. [2020-12-01 16:47:49,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-12-01 16:47:49,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:49,664 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 69 proven. 250 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-12-01 16:47:50,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:47:50,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3115 states and 3578 transitions. [2020-12-01 16:47:50,062 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 3578 transitions. [2020-12-01 16:47:50,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-12-01 16:47:50,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:47:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:47:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-12-01 16:47:54,308 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-01 16:47:59,820 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 24 [2020-12-01 16:48:01,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:48:01,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3177 states and 3648 transitions. [2020-12-01 16:48:01,143 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 3648 transitions. [2020-12-01 16:48:01,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-12-01 16:48:01,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:48:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:48:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-12-01 16:48:02,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:48:02,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3663 states to 3193 states and 3663 transitions. [2020-12-01 16:48:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3193 states and 3663 transitions. [2020-12-01 16:48:02,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-12-01 16:48:02,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:48:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:48:03,841 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-01 16:48:04,592 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 315 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:48:10,915 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2020-12-01 16:48:12,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:48:12,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3717 states to 3244 states and 3717 transitions. [2020-12-01 16:48:12,724 INFO L276 IsEmpty]: Start isEmpty. Operand 3244 states and 3717 transitions. [2020-12-01 16:48:12,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-12-01 16:48:12,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:48:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:48:13,195 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 315 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:48:14,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:48:14,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3726 states to 3254 states and 3726 transitions. [2020-12-01 16:48:14,760 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 3726 transitions. [2020-12-01 16:48:14,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-12-01 16:48:14,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:48:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:48:17,095 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 414 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:48:32,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:48:32,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3918 states to 3432 states and 3918 transitions. [2020-12-01 16:48:32,860 INFO L276 IsEmpty]: Start isEmpty. Operand 3432 states and 3918 transitions. [2020-12-01 16:48:32,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-12-01 16:48:32,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:48:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:48:35,138 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 16:48:40,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:48:40,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3977 states to 3488 states and 3977 transitions. [2020-12-01 16:48:40,336 INFO L276 IsEmpty]: Start isEmpty. Operand 3488 states and 3977 transitions. [2020-12-01 16:48:40,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-12-01 16:48:40,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:48:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:48:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-12-01 16:48:41,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:48:41,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3990 states to 3502 states and 3990 transitions. [2020-12-01 16:48:41,813 INFO L276 IsEmpty]: Start isEmpty. Operand 3502 states and 3990 transitions. [2020-12-01 16:48:41,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-12-01 16:48:41,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:48:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:48:44,065 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 396 proven. 106 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-12-01 16:49:00,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:49:00,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4136 states to 3613 states and 4136 transitions. [2020-12-01 16:49:00,064 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 4136 transitions. [2020-12-01 16:49:00,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-12-01 16:49:00,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:49:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:49:00,296 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 16:49:02,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:49:02,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4159 states to 3632 states and 4159 transitions. [2020-12-01 16:49:02,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3632 states and 4159 transitions. [2020-12-01 16:49:02,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-12-01 16:49:02,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:49:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:49:02,816 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 16:49:05,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:49:05,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4173 states to 3644 states and 4173 transitions. [2020-12-01 16:49:05,130 INFO L276 IsEmpty]: Start isEmpty. Operand 3644 states and 4173 transitions. [2020-12-01 16:49:05,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-12-01 16:49:05,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:49:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:49:05,307 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 266 proven. 159 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2020-12-01 16:49:06,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:49:06,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4175 states to 3645 states and 4175 transitions. [2020-12-01 16:49:06,631 INFO L276 IsEmpty]: Start isEmpty. Operand 3645 states and 4175 transitions. [2020-12-01 16:49:06,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-12-01 16:49:06,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:49:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:49:06,772 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 16:49:08,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:49:08,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 3676 states and 4205 transitions. [2020-12-01 16:49:08,696 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 4205 transitions. [2020-12-01 16:49:08,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-12-01 16:49:08,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:49:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:49:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-12-01 16:49:09,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:49:09,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 3677 states and 4205 transitions. [2020-12-01 16:49:09,357 INFO L276 IsEmpty]: Start isEmpty. Operand 3677 states and 4205 transitions. [2020-12-01 16:49:09,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-12-01 16:49:09,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:49:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:49:10,121 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 16:49:19,108 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2020-12-01 16:49:20,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:49:20,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 3804 states and 4345 transitions. [2020-12-01 16:49:20,574 INFO L276 IsEmpty]: Start isEmpty. Operand 3804 states and 4345 transitions. [2020-12-01 16:49:20,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-12-01 16:49:20,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:49:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:49:21,936 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 533 proven. 110 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-12-01 16:49:40,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:49:40,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4414 states to 3848 states and 4414 transitions. [2020-12-01 16:49:40,623 INFO L276 IsEmpty]: Start isEmpty. Operand 3848 states and 4414 transitions. [2020-12-01 16:49:40,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-12-01 16:49:40,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:49:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:49:42,539 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 528 proven. 114 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:50:03,572 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2020-12-01 16:50:05,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:05,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4579 states to 3983 states and 4579 transitions. [2020-12-01 16:50:05,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3983 states and 4579 transitions. [2020-12-01 16:50:05,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-12-01 16:50:05,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:05,421 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 533 proven. 110 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-12-01 16:50:15,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:15,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4631 states to 4025 states and 4631 transitions. [2020-12-01 16:50:15,310 INFO L276 IsEmpty]: Start isEmpty. Operand 4025 states and 4631 transitions. [2020-12-01 16:50:15,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-12-01 16:50:15,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:15,687 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 533 proven. 110 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-12-01 16:50:18,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:18,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4637 states to 4032 states and 4637 transitions. [2020-12-01 16:50:18,926 INFO L276 IsEmpty]: Start isEmpty. Operand 4032 states and 4637 transitions. [2020-12-01 16:50:18,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-12-01 16:50:18,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:20,731 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 16:50:28,062 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-01 16:50:30,947 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2020-12-01 16:50:32,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:32,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4762 states to 4150 states and 4762 transitions. [2020-12-01 16:50:32,412 INFO L276 IsEmpty]: Start isEmpty. Operand 4150 states and 4762 transitions. [2020-12-01 16:50:32,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2020-12-01 16:50:32,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:32,660 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 344 proven. 206 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2020-12-01 16:50:35,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:35,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4680 states to 4077 states and 4680 transitions. [2020-12-01 16:50:35,964 INFO L276 IsEmpty]: Start isEmpty. Operand 4077 states and 4680 transitions. [2020-12-01 16:50:35,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:50:35,967 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 178 iterations. [2020-12-01 16:50:35,974 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:50:36,869 WARN L197 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 31 [2020-12-01 16:50:37,465 WARN L197 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 31 [2020-12-01 16:50:38,469 WARN L197 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 163 DAG size of output: 31 [2020-12-01 16:50:39,065 WARN L197 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2020-12-01 16:50:39,997 WARN L197 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 31 [2020-12-01 16:50:41,008 WARN L197 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 160 DAG size of output: 31 [2020-12-01 16:50:41,667 WARN L197 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2020-12-01 16:50:42,691 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 159 DAG size of output: 31 [2020-12-01 16:50:43,322 WARN L197 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 31 [2020-12-01 16:50:44,095 WARN L197 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 31 [2020-12-01 16:50:44,878 WARN L197 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 31 [2020-12-01 16:50:45,486 WARN L197 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 31 [2020-12-01 16:50:46,458 WARN L197 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 31 [2020-12-01 16:50:47,315 WARN L197 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 31 [2020-12-01 16:50:47,915 WARN L197 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2020-12-01 16:50:48,686 WARN L197 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 31 [2020-12-01 16:50:49,715 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 157 DAG size of output: 31 [2020-12-01 16:50:50,317 WARN L197 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2020-12-01 16:50:51,324 WARN L197 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 164 DAG size of output: 31 [2020-12-01 16:50:51,934 WARN L197 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 31 [2020-12-01 16:50:52,606 WARN L197 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 31 [2020-12-01 16:50:53,600 WARN L197 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 31 [2020-12-01 16:50:54,187 WARN L197 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 31 [2020-12-01 16:50:55,058 WARN L197 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 31 [2020-12-01 16:50:56,086 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 160 DAG size of output: 31 [2020-12-01 16:50:56,648 WARN L197 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 31 [2020-12-01 16:50:57,677 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 158 DAG size of output: 31 [2020-12-01 16:50:58,349 WARN L197 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 31 [2020-12-01 16:50:59,235 WARN L197 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 31 [2020-12-01 16:50:59,867 WARN L197 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 31 [2020-12-01 16:51:00,734 WARN L197 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 31 [2020-12-01 16:51:01,491 WARN L197 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 31 [2020-12-01 16:51:02,099 WARN L197 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2020-12-01 16:51:02,753 WARN L197 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 31 [2020-12-01 16:51:03,619 WARN L197 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 31 [2020-12-01 16:51:04,637 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 158 DAG size of output: 31 [2020-12-01 16:51:05,735 WARN L197 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 164 DAG size of output: 31 [2020-12-01 16:51:06,340 WARN L197 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2020-12-01 16:51:06,474 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 10 [2020-12-01 16:51:07,455 WARN L197 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 31 [2020-12-01 16:51:08,073 WARN L197 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 31 [2020-12-01 16:51:09,030 WARN L197 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 31 [2020-12-01 16:51:09,629 WARN L197 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2020-12-01 16:51:10,669 WARN L197 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 165 DAG size of output: 31 [2020-12-01 16:51:10,827 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 10 [2020-12-01 16:51:11,818 WARN L197 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 31 [2020-12-01 16:51:12,870 WARN L197 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 160 DAG size of output: 31 [2020-12-01 16:51:13,489 WARN L197 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 31 [2020-12-01 16:51:14,542 WARN L197 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 155 DAG size of output: 31 [2020-12-01 16:51:15,566 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 164 DAG size of output: 31 [2020-12-01 16:51:16,536 WARN L197 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 31 [2020-12-01 16:51:17,529 WARN L197 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 31 [2020-12-01 16:51:18,624 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 170 DAG size of output: 31 [2020-12-01 16:51:19,605 WARN L197 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 31 [2020-12-01 16:51:20,674 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 165 DAG size of output: 31 [2020-12-01 16:51:21,719 WARN L197 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 160 DAG size of output: 31 [2020-12-01 16:51:22,343 WARN L197 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 31 [2020-12-01 16:51:23,256 WARN L197 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 31 [2020-12-01 16:51:24,328 WARN L197 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 162 DAG size of output: 31 [2020-12-01 16:51:25,434 WARN L197 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 169 DAG size of output: 31 [2020-12-01 16:51:26,064 WARN L197 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 31 [2020-12-01 16:51:27,042 WARN L197 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 31 [2020-12-01 16:51:28,045 WARN L197 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 155 DAG size of output: 31 [2020-12-01 16:51:29,078 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 164 DAG size of output: 31 [2020-12-01 16:51:30,068 WARN L197 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 31 [2020-12-01 16:51:30,669 WARN L197 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2020-12-01 16:51:31,635 WARN L197 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 31 [2020-12-01 16:51:32,250 WARN L197 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2020-12-01 16:51:33,017 WARN L197 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 31 [2020-12-01 16:51:33,650 WARN L197 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 31 [2020-12-01 16:51:34,705 WARN L197 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 158 DAG size of output: 31 [2020-12-01 16:51:34,705 INFO L569 CodeCheckObserver]: Invariant with dag size 31 [2020-12-01 16:51:34,721 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:51:34,721 INFO L569 CodeCheckObserver]: Invariant with dag size 31 [2020-12-01 16:51:34,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:51:34 ImpRootNode [2020-12-01 16:51:34,723 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:51:34,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:51:34,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:51:34,724 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:51:34,725 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:44:01" (3/4) ... [2020-12-01 16:51:34,730 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:51:34,750 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2020-12-01 16:51:34,752 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 16:51:34,754 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 16:51:34,755 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:51:34,882 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f40ebe24-075b-4fdb-b2d5-cca05f2d0320/bin/ukojak/witness.graphml [2020-12-01 16:51:34,883 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:51:34,884 INFO L168 Benchmark]: Toolchain (without parser) took 456705.39 ms. Allocated memory was 96.5 MB in the beginning and 3.9 GB in the end (delta: 3.9 GB). Free memory was 75.0 MB in the beginning and 3.6 GB in the end (delta: -3.5 GB). Peak memory consumption was 356.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:34,884 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 56.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:51:34,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.47 ms. Allocated memory is still 96.5 MB. Free memory was 74.7 MB in the beginning and 47.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:34,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.53 ms. Allocated memory is still 96.5 MB. Free memory was 47.4 MB in the beginning and 41.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:34,885 INFO L168 Benchmark]: Boogie Preprocessor took 92.93 ms. Allocated memory is still 96.5 MB. Free memory was 41.6 MB in the beginning and 70.1 MB in the end (delta: -28.5 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:34,886 INFO L168 Benchmark]: RCFGBuilder took 2667.95 ms. Allocated memory was 96.5 MB in the beginning and 144.7 MB in the end (delta: 48.2 MB). Free memory was 70.1 MB in the beginning and 96.5 MB in the end (delta: -26.5 MB). Peak memory consumption was 71.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:34,887 INFO L168 Benchmark]: CodeCheck took 452964.70 ms. Allocated memory was 144.7 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 96.5 MB in the beginning and 3.6 GB in the end (delta: -3.5 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.1 GB. [2020-12-01 16:51:34,887 INFO L168 Benchmark]: Witness Printer took 159.06 ms. Allocated memory is still 3.9 GB. Free memory was 3.6 GB in the beginning and 3.6 GB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:34,889 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: 394.1s, OverallIterations: 178, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1934720364 SDtfs, 2055144120 SDslu, -38333064 SDs, 0 SdLazy, -985652216 SolverSat, -885551684 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1495.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 215691 GetRequests, 206815 SyntacticMatches, 7330 SemanticMatches, 1546 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1607489 ImplicationChecksByTransitivity, 329.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.1s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 29.8s InterpolantComputationTime, 31969 NumberOfCodeBlocks, 31969 NumberOfCodeBlocksAsserted, 177 NumberOfCheckSat, 31792 ConstructedInterpolants, 0 QuantifiedInterpolants, 35767680 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 177 InterpolantComputations, 133 PerfectInterpolantSequences, 32752/37456 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: (((((((14 == a8 && !(a17 == 1)) && a12 == 8) && 5 == a16) || (((14 == a8 && !(a17 == 1)) && a12 == 8) && a16 == 4)) || !(a21 == 1)) || a20 == 1) || ((((!(a17 == 1) && a12 == 8) && a8 == 13) && a16 == 4) && !(a7 == 1))) || 15 <= a8 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((14 == a8 && !(a17 == 1)) && a12 == 8) && 5 == a16) || (((14 == a8 && !(a17 == 1)) && a12 == 8) && a16 == 4)) || !(a21 == 1)) || a20 == 1) || ((((!(a17 == 1) && a12 == 8) && a8 == 13) && a16 == 4) && !(a7 == 1))) || 15 <= a8 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 56.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 680.47 ms. Allocated memory is still 96.5 MB. Free memory was 74.7 MB in the beginning and 47.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 132.53 ms. Allocated memory is still 96.5 MB. Free memory was 47.4 MB in the beginning and 41.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.93 ms. Allocated memory is still 96.5 MB. Free memory was 41.6 MB in the beginning and 70.1 MB in the end (delta: -28.5 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2667.95 ms. Allocated memory was 96.5 MB in the beginning and 144.7 MB in the end (delta: 48.2 MB). Free memory was 70.1 MB in the beginning and 96.5 MB in the end (delta: -26.5 MB). Peak memory consumption was 71.1 MB. Max. memory is 16.1 GB. * CodeCheck took 452964.70 ms. Allocated memory was 144.7 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 96.5 MB in the beginning and 3.6 GB in the end (delta: -3.5 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.1 GB. * Witness Printer took 159.06 ms. Allocated memory is still 3.9 GB. Free memory was 3.6 GB in the beginning and 3.6 GB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...