./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label25.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_927dc1c7-efa7-440f-a690-40f4d233a14d/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_927dc1c7-efa7-440f-a690-40f4d233a14d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_927dc1c7-efa7-440f-a690-40f4d233a14d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_927dc1c7-efa7-440f-a690-40f4d233a14d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label25.c -s /tmp/vcloud-vcloud-master/worker/run_dir_927dc1c7-efa7-440f-a690-40f4d233a14d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_927dc1c7-efa7-440f-a690-40f4d233a14d/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 29670da151301b8436a6c7ddafad57f5257b4a8d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 07:01:47,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:01:47,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:01:47,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:01:47,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:01:47,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:01:47,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:01:47,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:01:47,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:01:47,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:01:47,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:01:47,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:01:47,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:01:47,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:01:47,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:01:47,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:01:47,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:01:47,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:01:47,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:01:47,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:01:47,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:01:47,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:01:47,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:01:47,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:01:47,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:01:47,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:01:47,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:01:47,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:01:47,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:01:47,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:01:47,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:01:47,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:01:47,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:01:47,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:01:47,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:01:47,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:01:47,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:01:47,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:01:47,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:01:47,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:01:47,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:01:47,870 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_927dc1c7-efa7-440f-a690-40f4d233a14d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 07:01:47,887 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:01:47,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:01:47,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 07:01:47,888 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 07:01:47,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:01:47,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:01:47,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:01:47,889 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:01:47,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:01:47,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:01:47,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:01:47,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:01:47,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:01:47,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:01:47,890 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:01:47,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:01:47,890 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:01:47,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:01:47,891 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 07:01:47,891 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 07:01:47,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:01:47,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:01:47,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 07:01:47,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:01:47,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:01:47,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:01:47,892 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 07:01:47,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:01:47,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:01:47,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_927dc1c7-efa7-440f-a690-40f4d233a14d/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(__VERIFIER_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 -> 29670da151301b8436a6c7ddafad57f5257b4a8d [2019-11-20 07:01:48,087 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:01:48,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:01:48,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:01:48,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:01:48,102 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:01:48,103 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_927dc1c7-efa7-440f-a690-40f4d233a14d/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label25.c [2019-11-20 07:01:48,167 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_927dc1c7-efa7-440f-a690-40f4d233a14d/bin/ukojak/data/5cc8cb50a/73259654dc15400088b458bc507ea153/FLAG5d4493213 [2019-11-20 07:01:48,683 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:01:48,683 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_927dc1c7-efa7-440f-a690-40f4d233a14d/sv-benchmarks/c/eca-rers2012/Problem01_label25.c [2019-11-20 07:01:48,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_927dc1c7-efa7-440f-a690-40f4d233a14d/bin/ukojak/data/5cc8cb50a/73259654dc15400088b458bc507ea153/FLAG5d4493213 [2019-11-20 07:01:48,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_927dc1c7-efa7-440f-a690-40f4d233a14d/bin/ukojak/data/5cc8cb50a/73259654dc15400088b458bc507ea153 [2019-11-20 07:01:48,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:01:48,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:01:48,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:01:48,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:01:48,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:01:48,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:01:48" (1/1) ... [2019-11-20 07:01:48,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9c4f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:48, skipping insertion in model container [2019-11-20 07:01:48,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:01:48" (1/1) ... [2019-11-20 07:01:49,003 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:01:49,068 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:01:49,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:01:49,588 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:01:49,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:01:49,735 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:01:49,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:49 WrapperNode [2019-11-20 07:01:49,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:01:49,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:01:49,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:01:49,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:01:49,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:49" (1/1) ... [2019-11-20 07:01:49,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:49" (1/1) ... [2019-11-20 07:01:49,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:01:49,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:01:49,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:01:49,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:01:49,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:49" (1/1) ... [2019-11-20 07:01:49,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:49" (1/1) ... [2019-11-20 07:01:49,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:49" (1/1) ... [2019-11-20 07:01:49,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:49" (1/1) ... [2019-11-20 07:01:49,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:49" (1/1) ... [2019-11-20 07:01:49,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:49" (1/1) ... [2019-11-20 07:01:49,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:49" (1/1) ... [2019-11-20 07:01:49,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:01:49,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:01:49,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:01:49,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:01:49,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_927dc1c7-efa7-440f-a690-40f4d233a14d/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 [2019-11-20 07:01:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:01:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:01:51,920 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:01:51,921 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 07:01:51,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:01:51 BoogieIcfgContainer [2019-11-20 07:01:51,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:01:51,923 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 07:01:51,923 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 07:01:51,933 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 07:01:51,934 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:01:51" (1/1) ... [2019-11-20 07:01:51,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:01:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:51,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2019-11-20 07:01:51,989 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2019-11-20 07:01:51,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 07:01:51,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:52,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:01:53,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:53,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 145 states and 232 transitions. [2019-11-20 07:01:53,065 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 232 transitions. [2019-11-20 07:01:53,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 07:01:53,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:53,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:01:53,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:53,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 146 states and 233 transitions. [2019-11-20 07:01:53,413 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 233 transitions. [2019-11-20 07:01:53,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 07:01:53,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:53,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:01:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:53,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 150 states and 240 transitions. [2019-11-20 07:01:53,611 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 240 transitions. [2019-11-20 07:01:53,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 07:01:53,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:53,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:01:54,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:54,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 219 states and 335 transitions. [2019-11-20 07:01:54,389 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 335 transitions. [2019-11-20 07:01:54,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 07:01:54,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:54,419 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 07:01:54,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:54,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 220 states and 336 transitions. [2019-11-20 07:01:54,506 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 336 transitions. [2019-11-20 07:01:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-20 07:01:54,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 07:01:55,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:55,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 231 states and 354 transitions. [2019-11-20 07:01:55,038 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 354 transitions. [2019-11-20 07:01:55,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-20 07:01:55,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:01:55,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:55,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 245 states and 374 transitions. [2019-11-20 07:01:55,985 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 374 transitions. [2019-11-20 07:01:55,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 07:01:55,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:01:56,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:56,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 260 states and 396 transitions. [2019-11-20 07:01:56,847 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 396 transitions. [2019-11-20 07:01:56,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 07:01:56,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:56,882 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:01:57,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:57,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 266 states and 405 transitions. [2019-11-20 07:01:57,381 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 405 transitions. [2019-11-20 07:01:57,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-20 07:01:57,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:57,458 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:01:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 281 states and 424 transitions. [2019-11-20 07:01:57,966 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 424 transitions. [2019-11-20 07:01:57,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-20 07:01:57,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 07:01:58,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:58,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 295 states and 443 transitions. [2019-11-20 07:01:58,980 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 443 transitions. [2019-11-20 07:01:58,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-20 07:01:58,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:59,034 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 07:01:59,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:59,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 298 states and 447 transitions. [2019-11-20 07:01:59,140 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 447 transitions. [2019-11-20 07:01:59,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-20 07:01:59,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 07:01:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:59,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 303 states and 453 transitions. [2019-11-20 07:01:59,233 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 453 transitions. [2019-11-20 07:01:59,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-20 07:01:59,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:59,263 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:01:59,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:59,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 322 states and 474 transitions. [2019-11-20 07:01:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 474 transitions. [2019-11-20 07:01:59,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-20 07:01:59,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:59,511 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 07:01:59,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:59,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 331 states and 482 transitions. [2019-11-20 07:01:59,892 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 482 transitions. [2019-11-20 07:01:59,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-20 07:01:59,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 07:02:00,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 344 states and 497 transitions. [2019-11-20 07:02:00,316 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 497 transitions. [2019-11-20 07:02:00,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-20 07:02:00,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 07:02:00,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:00,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 351 states and 505 transitions. [2019-11-20 07:02:00,523 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 505 transitions. [2019-11-20 07:02:00,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-20 07:02:00,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:00,562 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 07:02:00,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:00,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 353 states and 507 transitions. [2019-11-20 07:02:00,593 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 507 transitions. [2019-11-20 07:02:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-20 07:02:00,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 07:02:01,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 371 states and 530 transitions. [2019-11-20 07:02:01,699 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 530 transitions. [2019-11-20 07:02:01,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-20 07:02:01,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:01,809 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:02:02,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:02,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 441 states and 603 transitions. [2019-11-20 07:02:02,491 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 603 transitions. [2019-11-20 07:02:02,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-20 07:02:02,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:02,534 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 07:02:02,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:02,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 448 states and 611 transitions. [2019-11-20 07:02:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 611 transitions. [2019-11-20 07:02:02,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-20 07:02:02,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:02,813 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 07:02:03,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:03,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 456 states and 618 transitions. [2019-11-20 07:02:03,156 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 618 transitions. [2019-11-20 07:02:03,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-20 07:02:03,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:03,269 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:02:04,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:04,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 478 states and 641 transitions. [2019-11-20 07:02:04,262 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 641 transitions. [2019-11-20 07:02:04,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-20 07:02:04,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:04,328 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:02:06,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 522 states and 698 transitions. [2019-11-20 07:02:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 698 transitions. [2019-11-20 07:02:06,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-20 07:02:06,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:06,251 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 07:02:08,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:08,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 570 states and 753 transitions. [2019-11-20 07:02:08,164 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 753 transitions. [2019-11-20 07:02:08,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-20 07:02:08,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:08,354 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:02:10,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:10,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 608 states and 799 transitions. [2019-11-20 07:02:10,147 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 799 transitions. [2019-11-20 07:02:10,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-20 07:02:10,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:10,302 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:02:11,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:11,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 611 states and 804 transitions. [2019-11-20 07:02:11,183 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 804 transitions. [2019-11-20 07:02:11,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-20 07:02:11,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:11,289 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:02:13,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:13,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 640 states and 843 transitions. [2019-11-20 07:02:13,527 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 843 transitions. [2019-11-20 07:02:13,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-20 07:02:13,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:13,639 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:02:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:13,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 643 states and 846 transitions. [2019-11-20 07:02:13,847 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 846 transitions. [2019-11-20 07:02:13,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-20 07:02:13,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:13,960 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:02:14,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:14,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 654 states and 856 transitions. [2019-11-20 07:02:14,361 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 856 transitions. [2019-11-20 07:02:14,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-20 07:02:14,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:14,471 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:02:15,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:15,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 676 states and 882 transitions. [2019-11-20 07:02:15,635 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 882 transitions. [2019-11-20 07:02:15,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 07:02:15,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:15,878 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:02:17,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:17,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 698 states and 917 transitions. [2019-11-20 07:02:17,803 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 917 transitions. [2019-11-20 07:02:17,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-20 07:02:17,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:02:19,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:19,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 714 states and 939 transitions. [2019-11-20 07:02:19,089 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 939 transitions. [2019-11-20 07:02:19,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-20 07:02:19,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:19,143 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:02:19,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:19,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 721 states and 947 transitions. [2019-11-20 07:02:19,511 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 947 transitions. [2019-11-20 07:02:19,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-20 07:02:19,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:19,625 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:02:19,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:19,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 733 states and 959 transitions. [2019-11-20 07:02:19,726 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 959 transitions. [2019-11-20 07:02:19,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 07:02:19,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:19,769 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:02:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:19,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 734 states and 960 transitions. [2019-11-20 07:02:19,803 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 960 transitions. [2019-11-20 07:02:19,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-20 07:02:19,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:19,908 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:02:20,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:20,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 739 states and 966 transitions. [2019-11-20 07:02:20,179 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 966 transitions. [2019-11-20 07:02:20,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-20 07:02:20,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:20,314 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:02:20,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:20,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 741 states and 968 transitions. [2019-11-20 07:02:20,976 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 968 transitions. [2019-11-20 07:02:20,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 07:02:20,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:21,288 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:02:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:22,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 754 states and 989 transitions. [2019-11-20 07:02:22,221 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 989 transitions. [2019-11-20 07:02:22,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-20 07:02:22,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:23,208 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 07:02:27,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:27,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 819 states and 1055 transitions. [2019-11-20 07:02:27,846 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1055 transitions. [2019-11-20 07:02:27,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-20 07:02:27,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:27,905 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 07:02:28,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:28,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 825 states and 1063 transitions. [2019-11-20 07:02:28,868 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1063 transitions. [2019-11-20 07:02:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-20 07:02:28,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:02:28,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:28,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 832 states and 1070 transitions. [2019-11-20 07:02:28,983 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1070 transitions. [2019-11-20 07:02:28,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-20 07:02:28,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:29,064 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-11-20 07:02:29,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:29,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 834 states and 1071 transitions. [2019-11-20 07:02:29,166 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1071 transitions. [2019-11-20 07:02:29,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-20 07:02:29,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:29,393 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:02:30,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:30,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 883 states and 1126 transitions. [2019-11-20 07:02:30,794 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1126 transitions. [2019-11-20 07:02:30,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-20 07:02:30,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:30,838 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 07:02:31,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:31,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 900 states and 1150 transitions. [2019-11-20 07:02:31,803 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1150 transitions. [2019-11-20 07:02:31,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-20 07:02:31,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:31,845 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 07:02:32,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:32,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 914 states and 1162 transitions. [2019-11-20 07:02:32,877 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1162 transitions. [2019-11-20 07:02:32,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-20 07:02:32,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:32,918 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 07:02:33,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 922 states and 1170 transitions. [2019-11-20 07:02:33,214 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1170 transitions. [2019-11-20 07:02:33,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-20 07:02:33,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:33,265 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 07:02:35,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:35,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 954 states and 1207 transitions. [2019-11-20 07:02:35,194 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1207 transitions. [2019-11-20 07:02:35,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-20 07:02:35,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:35,233 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 07:02:35,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:35,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 962 states and 1214 transitions. [2019-11-20 07:02:35,844 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1214 transitions. [2019-11-20 07:02:35,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-20 07:02:35,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:35,886 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 07:02:36,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:36,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 966 states and 1217 transitions. [2019-11-20 07:02:36,231 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1217 transitions. [2019-11-20 07:02:36,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-20 07:02:36,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 07:02:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:38,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1035 states and 1287 transitions. [2019-11-20 07:02:38,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1287 transitions. [2019-11-20 07:02:38,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-20 07:02:38,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:38,375 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 07:02:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:38,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1042 states and 1297 transitions. [2019-11-20 07:02:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1297 transitions. [2019-11-20 07:02:38,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-20 07:02:38,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:38,737 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 07:02:39,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:39,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1047 states and 1301 transitions. [2019-11-20 07:02:39,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1301 transitions. [2019-11-20 07:02:39,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-11-20 07:02:39,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:39,187 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 07:02:40,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:40,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1062 states and 1318 transitions. [2019-11-20 07:02:40,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1318 transitions. [2019-11-20 07:02:40,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-11-20 07:02:40,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 07:02:41,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:41,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1071 states and 1327 transitions. [2019-11-20 07:02:41,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1327 transitions. [2019-11-20 07:02:41,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-20 07:02:41,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:41,245 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-20 07:02:42,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:42,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1084 states and 1345 transitions. [2019-11-20 07:02:42,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1345 transitions. [2019-11-20 07:02:42,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-20 07:02:42,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:42,088 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-20 07:02:42,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1085 states and 1346 transitions. [2019-11-20 07:02:42,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1346 transitions. [2019-11-20 07:02:42,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-20 07:02:42,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:42,193 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-20 07:02:42,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:42,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1094 states and 1354 transitions. [2019-11-20 07:02:42,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1354 transitions. [2019-11-20 07:02:42,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-20 07:02:42,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:42,545 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-11-20 07:02:43,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:43,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1114 states and 1379 transitions. [2019-11-20 07:02:43,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1379 transitions. [2019-11-20 07:02:43,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-20 07:02:43,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:43,505 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-11-20 07:02:44,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:44,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1119 states and 1383 transitions. [2019-11-20 07:02:44,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1383 transitions. [2019-11-20 07:02:44,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-20 07:02:44,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:44,306 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 07:02:45,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1133 states and 1405 transitions. [2019-11-20 07:02:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1405 transitions. [2019-11-20 07:02:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-20 07:02:45,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:45,573 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 07:02:46,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:46,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1144 states and 1416 transitions. [2019-11-20 07:02:46,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1416 transitions. [2019-11-20 07:02:46,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-20 07:02:46,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:46,270 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-20 07:02:46,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:46,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1157 states and 1431 transitions. [2019-11-20 07:02:46,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1431 transitions. [2019-11-20 07:02:46,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-20 07:02:46,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:46,946 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:02:47,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:47,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1170 states and 1446 transitions. [2019-11-20 07:02:47,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1446 transitions. [2019-11-20 07:02:47,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-11-20 07:02:47,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-20 07:02:48,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:48,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1175 states and 1460 transitions. [2019-11-20 07:02:48,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1460 transitions. [2019-11-20 07:02:48,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-20 07:02:48,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:48,314 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-11-20 07:02:49,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1204 states and 1490 transitions. [2019-11-20 07:02:49,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1490 transitions. [2019-11-20 07:02:49,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 07:02:49,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:49,746 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:02:49,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:49,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1211 states and 1497 transitions. [2019-11-20 07:02:49,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1497 transitions. [2019-11-20 07:02:49,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 07:02:49,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:49,858 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 07:02:49,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1221 states and 1506 transitions. [2019-11-20 07:02:49,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1506 transitions. [2019-11-20 07:02:49,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-20 07:02:49,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:50,034 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-20 07:02:51,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:51,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1236 states and 1527 transitions. [2019-11-20 07:02:51,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1527 transitions. [2019-11-20 07:02:51,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-20 07:02:51,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:51,274 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-20 07:02:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:51,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1244 states and 1535 transitions. [2019-11-20 07:02:51,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1535 transitions. [2019-11-20 07:02:51,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-20 07:02:51,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-20 07:02:52,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:52,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1246 states and 1538 transitions. [2019-11-20 07:02:52,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1538 transitions. [2019-11-20 07:02:52,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-20 07:02:52,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:52,124 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-20 07:02:52,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:52,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1254 states and 1545 transitions. [2019-11-20 07:02:52,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1545 transitions. [2019-11-20 07:02:52,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-20 07:02:52,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:52,614 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-20 07:02:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:52,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1256 states and 1547 transitions. [2019-11-20 07:02:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1547 transitions. [2019-11-20 07:02:52,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-20 07:02:52,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:54,767 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 07:02:56,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1260 states and 1553 transitions. [2019-11-20 07:02:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1553 transitions. [2019-11-20 07:02:56,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-20 07:02:56,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:57,005 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 07:02:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:58,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1308 states and 1601 transitions. [2019-11-20 07:02:58,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1601 transitions. [2019-11-20 07:02:58,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-20 07:02:58,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:58,838 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 07:03:00,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:00,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1332 states and 1635 transitions. [2019-11-20 07:03:00,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1635 transitions. [2019-11-20 07:03:00,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-20 07:03:00,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:01,005 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 07:03:01,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1343 states and 1646 transitions. [2019-11-20 07:03:01,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1646 transitions. [2019-11-20 07:03:01,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-20 07:03:01,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 07:03:02,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:02,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1358 states and 1661 transitions. [2019-11-20 07:03:02,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1661 transitions. [2019-11-20 07:03:02,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-11-20 07:03:02,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 135 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 07:03:02,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:02,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1361 states and 1663 transitions. [2019-11-20 07:03:02,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1663 transitions. [2019-11-20 07:03:02,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 07:03:02,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 07:03:07,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:07,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1418 states and 1735 transitions. [2019-11-20 07:03:07,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1735 transitions. [2019-11-20 07:03:07,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 07:03:07,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:07,121 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 07:03:08,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:08,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1438 states and 1757 transitions. [2019-11-20 07:03:08,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1757 transitions. [2019-11-20 07:03:08,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 07:03:08,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:08,742 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 07:03:09,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:09,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1446 states and 1764 transitions. [2019-11-20 07:03:09,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1764 transitions. [2019-11-20 07:03:09,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-11-20 07:03:09,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:09,264 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 07:03:09,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:09,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1451 states and 1773 transitions. [2019-11-20 07:03:09,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1773 transitions. [2019-11-20 07:03:09,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-11-20 07:03:09,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:09,587 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-11-20 07:03:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:10,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1461 states and 1783 transitions. [2019-11-20 07:03:10,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1783 transitions. [2019-11-20 07:03:10,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-11-20 07:03:10,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:10,287 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-11-20 07:03:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:10,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1470 states and 1791 transitions. [2019-11-20 07:03:10,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1791 transitions. [2019-11-20 07:03:10,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-11-20 07:03:10,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:10,798 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-11-20 07:03:11,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:11,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1481 states and 1801 transitions. [2019-11-20 07:03:11,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 1801 transitions. [2019-11-20 07:03:11,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-11-20 07:03:11,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:11,507 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 07:03:11,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:11,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1485 states and 1806 transitions. [2019-11-20 07:03:11,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1806 transitions. [2019-11-20 07:03:11,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-11-20 07:03:11,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:11,926 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-11-20 07:03:12,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1503 states and 1822 transitions. [2019-11-20 07:03:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1822 transitions. [2019-11-20 07:03:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-11-20 07:03:12,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:12,650 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-11-20 07:03:13,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:13,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1514 states and 1832 transitions. [2019-11-20 07:03:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1832 transitions. [2019-11-20 07:03:13,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-11-20 07:03:13,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:13,540 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-20 07:03:17,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:17,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1585 states and 1918 transitions. [2019-11-20 07:03:17,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1918 transitions. [2019-11-20 07:03:17,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-11-20 07:03:17,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:17,417 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-20 07:03:18,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:18,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1602 states and 1933 transitions. [2019-11-20 07:03:18,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 1933 transitions. [2019-11-20 07:03:18,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-11-20 07:03:18,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:18,670 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-20 07:03:20,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:20,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1627 states and 1966 transitions. [2019-11-20 07:03:20,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 1966 transitions. [2019-11-20 07:03:20,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-11-20 07:03:20,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:20,594 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-20 07:03:21,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1640 states and 1981 transitions. [2019-11-20 07:03:21,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 1981 transitions. [2019-11-20 07:03:21,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-11-20 07:03:21,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:21,635 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-20 07:03:22,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:22,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1648 states and 1988 transitions. [2019-11-20 07:03:22,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 1988 transitions. [2019-11-20 07:03:22,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-11-20 07:03:22,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:22,245 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-20 07:03:23,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1652 states and 1994 transitions. [2019-11-20 07:03:23,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1994 transitions. [2019-11-20 07:03:23,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-11-20 07:03:23,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:23,120 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-11-20 07:03:24,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:24,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 1678 states and 2023 transitions. [2019-11-20 07:03:24,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2023 transitions. [2019-11-20 07:03:24,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-11-20 07:03:24,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:24,643 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-11-20 07:03:26,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:26,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1698 states and 2050 transitions. [2019-11-20 07:03:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2050 transitions. [2019-11-20 07:03:26,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-11-20 07:03:26,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-20 07:03:29,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:29,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1743 states and 2101 transitions. [2019-11-20 07:03:29,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2101 transitions. [2019-11-20 07:03:29,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-11-20 07:03:29,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-11-20 07:03:31,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:31,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1773 states and 2133 transitions. [2019-11-20 07:03:31,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2133 transitions. [2019-11-20 07:03:31,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-20 07:03:31,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:32,181 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 342 proven. 4 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-11-20 07:03:33,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:33,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1792 states and 2158 transitions. [2019-11-20 07:03:33,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2158 transitions. [2019-11-20 07:03:33,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-20 07:03:33,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-11-20 07:03:35,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:35,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1839 states and 2212 transitions. [2019-11-20 07:03:35,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2212 transitions. [2019-11-20 07:03:35,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-20 07:03:35,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:35,207 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-11-20 07:03:36,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:36,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1852 states and 2225 transitions. [2019-11-20 07:03:36,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2225 transitions. [2019-11-20 07:03:36,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-20 07:03:36,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:36,210 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-11-20 07:03:37,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:37,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 1868 states and 2243 transitions. [2019-11-20 07:03:37,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2243 transitions. [2019-11-20 07:03:37,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-20 07:03:37,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-11-20 07:03:37,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:37,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 1872 states and 2247 transitions. [2019-11-20 07:03:37,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2247 transitions. [2019-11-20 07:03:37,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-20 07:03:37,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:37,817 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-11-20 07:03:38,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:38,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 1905 states and 2283 transitions. [2019-11-20 07:03:38,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2283 transitions. [2019-11-20 07:03:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-20 07:03:38,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:38,696 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-11-20 07:03:39,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:39,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 1920 states and 2296 transitions. [2019-11-20 07:03:39,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2296 transitions. [2019-11-20 07:03:39,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-11-20 07:03:39,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:42,090 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 07:03:47,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:47,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 1969 states and 2349 transitions. [2019-11-20 07:03:47,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2349 transitions. [2019-11-20 07:03:47,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-20 07:03:47,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:48,103 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 276 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-11-20 07:03:52,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:52,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2024 states and 2415 transitions. [2019-11-20 07:03:52,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2415 transitions. [2019-11-20 07:03:52,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 07:03:52,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:52,871 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-11-20 07:03:52,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:52,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2025 states and 2415 transitions. [2019-11-20 07:03:52,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2415 transitions. [2019-11-20 07:03:52,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 07:03:52,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-11-20 07:03:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:03:54,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2035 states and 2426 transitions. [2019-11-20 07:03:54,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2426 transitions. [2019-11-20 07:03:54,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 07:03:54,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:03:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:03:56,382 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-11-20 07:04:05,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:04:05,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2141 states and 2542 transitions. [2019-11-20 07:04:05,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2542 transitions. [2019-11-20 07:04:05,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 07:04:05,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:04:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:04:05,446 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-11-20 07:04:06,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:04:06,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2147 states and 2549 transitions. [2019-11-20 07:04:06,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 2549 transitions. [2019-11-20 07:04:06,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 07:04:06,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:04:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:04:06,649 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-11-20 07:04:07,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:04:07,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2155 states and 2556 transitions. [2019-11-20 07:04:07,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2556 transitions. [2019-11-20 07:04:07,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 07:04:07,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:04:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:04:07,816 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-11-20 07:04:08,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:04:08,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2163 states and 2563 transitions. [2019-11-20 07:04:08,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2563 transitions. [2019-11-20 07:04:08,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 07:04:08,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:04:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:04:10,495 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 389 proven. 60 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-20 07:04:15,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:04:15,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2193 states and 2598 transitions. [2019-11-20 07:04:15,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2598 transitions. [2019-11-20 07:04:15,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 07:04:15,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:04:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:04:18,802 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-11-20 07:04:24,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:04:24,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2243 states and 2649 transitions. [2019-11-20 07:04:24,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 2649 transitions. [2019-11-20 07:04:24,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 07:04:24,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:04:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:04:24,991 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-11-20 07:04:27,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:04:27,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2265 states and 2671 transitions. [2019-11-20 07:04:27,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 2671 transitions. [2019-11-20 07:04:27,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-11-20 07:04:27,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:04:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:04:27,094 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-20 07:04:27,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:04:27,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2267 states and 2672 transitions. [2019-11-20 07:04:27,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2672 transitions. [2019-11-20 07:04:27,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 07:04:27,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:04:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:04:27,465 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-11-20 07:04:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:04:28,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2343 states and 2749 transitions. [2019-11-20 07:04:28,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 2749 transitions. [2019-11-20 07:04:28,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-11-20 07:04:28,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:04:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:04:29,697 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-11-20 07:04:33,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:04:33,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2405 states and 2819 transitions. [2019-11-20 07:04:33,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 2819 transitions. [2019-11-20 07:04:33,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-11-20 07:04:33,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:04:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:04:34,270 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-11-20 07:04:35,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:04:35,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2424 states and 2838 transitions. [2019-11-20 07:04:35,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 2838 transitions. [2019-11-20 07:04:35,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2019-11-20 07:04:35,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:04:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:04:35,679 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2019-11-20 07:04:40,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:04:40,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2486 states and 2902 transitions. [2019-11-20 07:04:40,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 2902 transitions. [2019-11-20 07:04:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-11-20 07:04:40,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:04:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:04:40,964 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2019-11-20 07:04:41,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:04:41,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 2496 states and 2911 transitions. [2019-11-20 07:04:41,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2911 transitions. [2019-11-20 07:04:41,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-11-20 07:04:41,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:04:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:04:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 07:05:00,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:05:00,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 2469 states and 2911 transitions. [2019-11-20 07:05:00,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2469 states and 2911 transitions. [2019-11-20 07:05:00,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:05:00,891 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 125 iterations. [2019-11-20 07:05:00,898 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 07:05:01,076 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 29 [2019-11-20 07:05:01,234 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 29 [2019-11-20 07:05:01,535 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 36 [2019-11-20 07:05:01,687 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 29 [2019-11-20 07:05:01,931 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 34 [2019-11-20 07:05:02,226 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 33 [2019-11-20 07:05:02,428 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 24 [2019-11-20 07:05:02,753 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 36 [2019-11-20 07:05:03,051 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 36 [2019-11-20 07:05:03,375 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 24 [2019-11-20 07:05:03,565 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 33 [2019-11-20 07:05:03,848 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 36 [2019-11-20 07:05:04,253 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2019-11-20 07:05:04,578 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 36 [2019-11-20 07:05:04,875 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 31 [2019-11-20 07:05:05,269 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 36 [2019-11-20 07:05:05,425 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 29 [2019-11-20 07:05:05,875 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 34 [2019-11-20 07:05:06,101 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2019-11-20 07:05:06,318 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 29 [2019-11-20 07:05:06,450 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 27 [2019-11-20 07:05:06,582 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 27 [2019-11-20 07:05:06,818 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 29 [2019-11-20 07:05:07,014 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 29 [2019-11-20 07:05:07,148 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 27 [2019-11-20 07:05:07,325 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 27 [2019-11-20 07:05:07,539 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 33 [2019-11-20 07:05:07,892 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 36 [2019-11-20 07:05:08,061 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 27 [2019-11-20 07:05:08,252 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2019-11-20 07:05:08,558 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 33 [2019-11-20 07:05:08,782 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 33 [2019-11-20 07:05:08,889 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 27 [2019-11-20 07:05:09,123 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 29 [2019-11-20 07:05:09,318 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 24 [2019-11-20 07:05:09,518 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 29 [2019-11-20 07:05:09,625 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 27 [2019-11-20 07:05:09,795 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 29 [2019-11-20 07:05:10,007 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 29 [2019-11-20 07:05:10,321 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 36 [2019-11-20 07:05:10,719 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 61 [2019-11-20 07:05:10,972 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 29 [2019-11-20 07:05:11,118 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 29 [2019-11-20 07:05:11,407 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 34 [2019-11-20 07:05:11,708 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 34 [2019-11-20 07:05:11,950 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 34 [2019-11-20 07:05:12,125 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2019-11-20 07:05:12,422 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 36 [2019-11-20 07:05:12,443 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:05:12,446 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2019-11-20 07:05:12,454 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2019-11-20 07:05:12,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 07:05:12 ImpRootNode [2019-11-20 07:05:12,455 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 07:05:12,455 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:05:12,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:05:12,456 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:05:12,456 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:01:51" (3/4) ... [2019-11-20 07:05:12,459 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:05:12,480 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2019-11-20 07:05:12,481 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-11-20 07:05:12,483 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-20 07:05:12,484 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 07:05:12,637 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_927dc1c7-efa7-440f-a690-40f4d233a14d/bin/ukojak/witness.graphml [2019-11-20 07:05:12,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:05:12,639 INFO L168 Benchmark]: Toolchain (without parser) took 203650.86 ms. Allocated memory was 1.0 GB in the beginning and 3.8 GB in the end (delta: 2.8 GB). Free memory was 944.7 MB in the beginning and 1.7 GB in the end (delta: -710.5 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2019-11-20 07:05:12,639 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:05:12,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:05:12,640 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:05:12,640 INFO L168 Benchmark]: Boogie Preprocessor took 83.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-20 07:05:12,641 INFO L168 Benchmark]: RCFGBuilder took 2004.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 888.0 MB in the end (delta: 215.7 MB). Peak memory consumption was 215.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:05:12,641 INFO L168 Benchmark]: CodeCheck took 200532.34 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 888.0 MB in the beginning and 1.7 GB in the end (delta: -785.4 MB). Peak memory consumption was 2.8 GB. Max. memory is 11.5 GB. [2019-11-20 07:05:12,641 INFO L168 Benchmark]: Witness Printer took 182.37 ms. Allocated memory is still 3.8 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 07:05:12,647 INFO L335 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. Result: SAFE, OverallTime: 188.9s, OverallIterations: 125, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -103708464 SDtfs, 733403332 SDslu, 1524675804 SDs, 0 SdLazy, -1499205998 SolverSat, 274001258 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 681.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143885 GetRequests, 141010 SyntacticMatches, 1475 SemanticMatches, 1400 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1413268 ImplicationChecksByTransitivity, 162.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 24.9s InterpolantComputationTime, 21192 NumberOfCodeBlocks, 21192 NumberOfCodeBlocksAsserted, 124 NumberOfCheckSat, 21068 ConstructedInterpolants, 0 QuantifiedInterpolants, 14689945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 124 InterpolantComputations, 105 PerfectInterpolantSequences, 23013/23451 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: 533]: 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: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (!(1 == a7) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1)) || !(a16 == 6) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(1 == a7) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1)) || !(a16 == 6) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 746.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2004.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 888.0 MB in the end (delta: 215.7 MB). Peak memory consumption was 215.7 MB. Max. memory is 11.5 GB. * CodeCheck took 200532.34 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 888.0 MB in the beginning and 1.7 GB in the end (delta: -785.4 MB). Peak memory consumption was 2.8 GB. Max. memory is 11.5 GB. * Witness Printer took 182.37 ms. Allocated memory is still 3.8 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...