./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh/s3_clnt.blast.04.i.cil-1.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_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ssh/s3_clnt.blast.04.i.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/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 dbebd8f3a7ff59c46b95280959676a0cf0887b44 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ssh/s3_clnt.blast.04.i.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/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 dbebd8f3a7ff59c46b95280959676a0cf0887b44 ............................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:09:52,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:09:52,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:09:52,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:09:52,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:09:52,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:09:52,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:09:52,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:09:52,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:09:52,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:09:52,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:09:52,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:09:52,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:09:52,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:09:52,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:09:52,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:09:52,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:09:52,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:09:52,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:09:52,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:09:52,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:09:52,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:09:52,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:09:52,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:09:52,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:09:52,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:09:52,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:09:52,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:09:52,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:09:52,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:09:52,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:09:52,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:09:52,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:09:52,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:09:52,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:09:52,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:09:52,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:09:52,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:09:52,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:09:52,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:09:52,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:09:52,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 10:09:52,865 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:09:52,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:09:52,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:09:52,866 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:09:52,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:09:52,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:09:52,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:09:52,867 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:09:52,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:09:52,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:09:52,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:09:52,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:09:52,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:09:52,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:09:52,869 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:09:52,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:09:52,869 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:09:52,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:09:52,869 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:09:52,869 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:09:52,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:09:52,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:09:52,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:09:52,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:09:52,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:09:52,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:09:52,871 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:09:52,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:09:52,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:09:52,871 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_74558f96-b515-447b-8381-e099fe13e06c/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 -> dbebd8f3a7ff59c46b95280959676a0cf0887b44 [2019-11-20 10:09:53,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:09:53,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:09:53,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:09:53,055 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:09:53,056 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:09:53,057 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/../../sv-benchmarks/c/ssh/s3_clnt.blast.04.i.cil-1.c [2019-11-20 10:09:53,114 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/data/03934ca74/76c973dd0b604f7c9a43acfe99260a77/FLAG542159e34 [2019-11-20 10:09:53,621 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:09:53,622 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/sv-benchmarks/c/ssh/s3_clnt.blast.04.i.cil-1.c [2019-11-20 10:09:53,639 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/data/03934ca74/76c973dd0b604f7c9a43acfe99260a77/FLAG542159e34 [2019-11-20 10:09:53,919 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/data/03934ca74/76c973dd0b604f7c9a43acfe99260a77 [2019-11-20 10:09:53,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:09:53,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:09:53,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:09:53,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:09:53,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:09:53,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:09:53" (1/1) ... [2019-11-20 10:09:53,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cba0af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:09:53, skipping insertion in model container [2019-11-20 10:09:53,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:09:53" (1/1) ... [2019-11-20 10:09:53,936 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:09:54,006 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:09:54,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:09:54,479 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:09:54,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:09:54,626 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:09:54,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:09:54 WrapperNode [2019-11-20 10:09:54,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:09:54,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:09:54,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:09:54,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:09:54,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:09:54" (1/1) ... [2019-11-20 10:09:54,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:09:54" (1/1) ... [2019-11-20 10:09:54,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:09:54,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:09:54,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:09:54,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:09:54,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:09:54" (1/1) ... [2019-11-20 10:09:54,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:09:54" (1/1) ... [2019-11-20 10:09:54,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:09:54" (1/1) ... [2019-11-20 10:09:54,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:09:54" (1/1) ... [2019-11-20 10:09:54,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:09:54" (1/1) ... [2019-11-20 10:09:54,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:09:54" (1/1) ... [2019-11-20 10:09:54,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:09:54" (1/1) ... [2019-11-20 10:09:54,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:09:54,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:09:54,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:09:54,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:09:54,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:09:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/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 10:09:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 10:09:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:09:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:09:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:09:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 10:09:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 10:09:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:09:54,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:09:55,171 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:09:56,075 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-11-20 10:09:56,076 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-11-20 10:09:58,037 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:09:58,038 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 10:09:58,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:09:58 BoogieIcfgContainer [2019-11-20 10:09:58,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:09:58,040 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:09:58,040 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:09:58,049 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:09:58,050 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:09:58" (1/1) ... [2019-11-20 10:09:58,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:09:58,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:09:58,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 86 states and 147 transitions. [2019-11-20 10:09:58,104 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 147 transitions. [2019-11-20 10:09:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:09:58,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:09:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:09:58,345 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 10:09:58,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:09:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 88 states and 147 transitions. [2019-11-20 10:09:58,424 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 147 transitions. [2019-11-20 10:09:58,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 10:09:58,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:09:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:09:58,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:09:59,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:09:59,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 115 states and 210 transitions. [2019-11-20 10:09:59,092 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 210 transitions. [2019-11-20 10:09:59,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 10:09:59,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:09:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:09:59,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:09:59,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:09:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 116 states and 211 transitions. [2019-11-20 10:09:59,169 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 211 transitions. [2019-11-20 10:09:59,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 10:09:59,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:09:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:09:59,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:09:59,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:09:59,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 124 states and 242 transitions. [2019-11-20 10:09:59,667 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 242 transitions. [2019-11-20 10:09:59,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 10:09:59,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:09:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:09:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:09:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:09:59,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 126 states and 245 transitions. [2019-11-20 10:09:59,756 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 245 transitions. [2019-11-20 10:09:59,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 10:09:59,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:09:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:09:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:09:59,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:09:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 129 states and 249 transitions. [2019-11-20 10:09:59,903 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 249 transitions. [2019-11-20 10:09:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 10:09:59,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:09:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:09:59,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:09:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:09:59,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 131 states and 252 transitions. [2019-11-20 10:09:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 252 transitions. [2019-11-20 10:09:59,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 10:09:59,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:09:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:00,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 253 transitions. [2019-11-20 10:10:00,030 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 253 transitions. [2019-11-20 10:10:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 10:10:00,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:00,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:00,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 132 states and 252 transitions. [2019-11-20 10:10:00,351 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 252 transitions. [2019-11-20 10:10:00,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 10:10:00,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:00,464 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:01,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 144 states and 277 transitions. [2019-11-20 10:10:01,157 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 277 transitions. [2019-11-20 10:10:01,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 10:10:01,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:01,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:01,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 144 states and 276 transitions. [2019-11-20 10:10:01,213 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 276 transitions. [2019-11-20 10:10:01,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 10:10:01,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:01,273 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 10:10:01,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:01,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 139 states and 269 transitions. [2019-11-20 10:10:01,299 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 269 transitions. [2019-11-20 10:10:01,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 10:10:01,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:01,357 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 10:10:01,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 141 states and 275 transitions. [2019-11-20 10:10:01,547 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 275 transitions. [2019-11-20 10:10:01,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 10:10:01,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:01,595 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:01,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:01,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 141 states and 274 transitions. [2019-11-20 10:10:01,630 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 274 transitions. [2019-11-20 10:10:01,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 10:10:01,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:01,673 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 10:10:01,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:01,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 143 states and 276 transitions. [2019-11-20 10:10:01,696 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 276 transitions. [2019-11-20 10:10:01,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 10:10:01,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:03,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:03,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 168 states and 330 transitions. [2019-11-20 10:10:03,137 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 330 transitions. [2019-11-20 10:10:03,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 10:10:03,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:03,167 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:03,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 170 states and 333 transitions. [2019-11-20 10:10:03,186 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 333 transitions. [2019-11-20 10:10:03,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 10:10:03,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:03,224 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:03,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:03,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 171 states and 334 transitions. [2019-11-20 10:10:03,233 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 334 transitions. [2019-11-20 10:10:03,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 10:10:03,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:03,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:03,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 172 states and 335 transitions. [2019-11-20 10:10:03,280 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 335 transitions. [2019-11-20 10:10:03,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 10:10:03,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:03,309 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 170 states and 331 transitions. [2019-11-20 10:10:03,317 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 331 transitions. [2019-11-20 10:10:03,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 10:10:03,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:03,506 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:05,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:05,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 186 states and 367 transitions. [2019-11-20 10:10:05,092 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 367 transitions. [2019-11-20 10:10:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 10:10:05,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:05,130 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:05,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:05,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 189 states and 376 transitions. [2019-11-20 10:10:05,770 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 376 transitions. [2019-11-20 10:10:05,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 10:10:05,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:05,826 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:10:05,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:05,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 192 states and 380 transitions. [2019-11-20 10:10:05,843 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 380 transitions. [2019-11-20 10:10:05,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 10:10:05,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:05,968 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:06,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:06,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 195 states and 391 transitions. [2019-11-20 10:10:06,470 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 391 transitions. [2019-11-20 10:10:06,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 10:10:06,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:06,499 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:06,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 198 states and 396 transitions. [2019-11-20 10:10:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 396 transitions. [2019-11-20 10:10:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 10:10:06,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:06,585 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:06,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:06,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 201 states and 400 transitions. [2019-11-20 10:10:06,925 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 400 transitions. [2019-11-20 10:10:06,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 10:10:06,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:06,959 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 10:10:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 198 states and 393 transitions. [2019-11-20 10:10:06,968 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 393 transitions. [2019-11-20 10:10:06,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 10:10:06,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:07,105 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:09,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:09,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 218 states and 442 transitions. [2019-11-20 10:10:09,836 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 442 transitions. [2019-11-20 10:10:09,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 10:10:09,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:09,981 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:11,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:11,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 226 states and 462 transitions. [2019-11-20 10:10:11,125 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 462 transitions. [2019-11-20 10:10:11,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 10:10:11,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:11,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:11,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 229 states and 469 transitions. [2019-11-20 10:10:11,519 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 469 transitions. [2019-11-20 10:10:11,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 10:10:11,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:11,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:11,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 230 states and 470 transitions. [2019-11-20 10:10:11,561 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 470 transitions. [2019-11-20 10:10:11,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 10:10:11,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:11,593 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:12,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:12,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 232 states and 484 transitions. [2019-11-20 10:10:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 484 transitions. [2019-11-20 10:10:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 10:10:12,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:12,156 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:10:12,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:12,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 235 states and 489 transitions. [2019-11-20 10:10:12,206 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 489 transitions. [2019-11-20 10:10:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 10:10:12,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:12,347 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:12,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:12,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 235 states and 488 transitions. [2019-11-20 10:10:12,712 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 488 transitions. [2019-11-20 10:10:12,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 10:10:12,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:12,741 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:12,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:12,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 233 states and 485 transitions. [2019-11-20 10:10:12,750 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 485 transitions. [2019-11-20 10:10:12,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 10:10:12,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:12,781 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:12,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:12,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 235 states and 488 transitions. [2019-11-20 10:10:12,797 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 488 transitions. [2019-11-20 10:10:12,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 10:10:12,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:12,834 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:10:12,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:12,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 236 states and 489 transitions. [2019-11-20 10:10:12,861 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 489 transitions. [2019-11-20 10:10:12,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 10:10:12,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:13,040 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:13,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:13,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 236 states and 488 transitions. [2019-11-20 10:10:13,483 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 488 transitions. [2019-11-20 10:10:13,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 10:10:13,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:13,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:13,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 238 states and 490 transitions. [2019-11-20 10:10:13,890 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 490 transitions. [2019-11-20 10:10:13,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 10:10:13,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:13,921 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:13,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 236 states and 486 transitions. [2019-11-20 10:10:13,931 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 486 transitions. [2019-11-20 10:10:13,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 10:10:13,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:13,964 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:10:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:13,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 239 states and 493 transitions. [2019-11-20 10:10:13,998 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 493 transitions. [2019-11-20 10:10:13,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:10:13,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:14,146 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:14,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:14,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 239 states and 492 transitions. [2019-11-20 10:10:14,616 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 492 transitions. [2019-11-20 10:10:14,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:10:14,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:14,815 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:15,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:15,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 239 states and 490 transitions. [2019-11-20 10:10:15,346 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 490 transitions. [2019-11-20 10:10:15,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:10:15,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:15,387 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:10:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 246 states and 504 transitions. [2019-11-20 10:10:16,013 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 504 transitions. [2019-11-20 10:10:16,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:10:16,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:16,040 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:16,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 248 states and 509 transitions. [2019-11-20 10:10:16,057 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 509 transitions. [2019-11-20 10:10:16,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:10:16,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:16,090 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:10:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:16,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 249 states and 510 transitions. [2019-11-20 10:10:16,114 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 510 transitions. [2019-11-20 10:10:16,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 10:10:16,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:16,292 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:16,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:16,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 249 states and 508 transitions. [2019-11-20 10:10:16,794 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 508 transitions. [2019-11-20 10:10:16,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 10:10:16,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:17,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:17,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 249 states and 506 transitions. [2019-11-20 10:10:17,452 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 506 transitions. [2019-11-20 10:10:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 10:10:17,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:17,649 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:21,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:21,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 261 states and 523 transitions. [2019-11-20 10:10:21,073 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 523 transitions. [2019-11-20 10:10:21,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 10:10:21,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:21,106 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:21,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:21,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 266 states and 536 transitions. [2019-11-20 10:10:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 536 transitions. [2019-11-20 10:10:21,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 10:10:21,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:21,953 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:21,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 266 states and 535 transitions. [2019-11-20 10:10:21,963 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 535 transitions. [2019-11-20 10:10:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 10:10:21,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:10:22,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:22,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 267 states and 536 transitions. [2019-11-20 10:10:22,020 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 536 transitions. [2019-11-20 10:10:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 10:10:22,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:22,049 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:25,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:25,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 269 states and 540 transitions. [2019-11-20 10:10:25,423 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 540 transitions. [2019-11-20 10:10:25,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 10:10:25,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:25,454 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 269 states and 539 transitions. [2019-11-20 10:10:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 539 transitions. [2019-11-20 10:10:26,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 10:10:26,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:10:26,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:26,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 271 states and 542 transitions. [2019-11-20 10:10:26,563 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 542 transitions. [2019-11-20 10:10:26,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 10:10:26,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:26,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:26,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 271 states and 541 transitions. [2019-11-20 10:10:26,602 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 541 transitions. [2019-11-20 10:10:26,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 10:10:26,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:10:26,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:26,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 272 states and 542 transitions. [2019-11-20 10:10:26,666 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 542 transitions. [2019-11-20 10:10:26,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 10:10:26,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:26,703 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:26,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:26,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 272 states and 541 transitions. [2019-11-20 10:10:26,718 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 541 transitions. [2019-11-20 10:10:26,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 10:10:26,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:26,759 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:26,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 274 states and 544 transitions. [2019-11-20 10:10:26,769 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 544 transitions. [2019-11-20 10:10:26,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 10:10:26,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:26,802 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:26,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:26,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 267 states and 528 transitions. [2019-11-20 10:10:26,830 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 528 transitions. [2019-11-20 10:10:26,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 10:10:26,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:27,096 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:27,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:27,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 267 states and 527 transitions. [2019-11-20 10:10:27,632 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 527 transitions. [2019-11-20 10:10:27,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 10:10:27,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:27,659 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:27,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:27,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 265 states and 523 transitions. [2019-11-20 10:10:27,670 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 523 transitions. [2019-11-20 10:10:27,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 10:10:27,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:10:27,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:27,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 268 states and 528 transitions. [2019-11-20 10:10:27,786 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 528 transitions. [2019-11-20 10:10:27,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 10:10:27,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:27,867 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:27,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:27,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 268 states and 527 transitions. [2019-11-20 10:10:27,884 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 527 transitions. [2019-11-20 10:10:27,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 10:10:27,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:28,141 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:28,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:28,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 268 states and 526 transitions. [2019-11-20 10:10:28,724 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 526 transitions. [2019-11-20 10:10:28,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 10:10:28,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:28,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:28,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 270 states and 529 transitions. [2019-11-20 10:10:28,782 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 529 transitions. [2019-11-20 10:10:28,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 10:10:28,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:10:28,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:28,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 271 states and 530 transitions. [2019-11-20 10:10:28,839 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 530 transitions. [2019-11-20 10:10:28,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 10:10:28,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:28,896 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 10:10:28,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:28,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 272 states and 530 transitions. [2019-11-20 10:10:28,959 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 530 transitions. [2019-11-20 10:10:28,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 10:10:28,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:29,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:29,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 272 states and 529 transitions. [2019-11-20 10:10:29,745 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 529 transitions. [2019-11-20 10:10:29,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 10:10:29,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:29,971 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:30,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 272 states and 527 transitions. [2019-11-20 10:10:30,850 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 527 transitions. [2019-11-20 10:10:30,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 10:10:30,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:30,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:30,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 270 states and 523 transitions. [2019-11-20 10:10:30,914 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 523 transitions. [2019-11-20 10:10:30,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 10:10:30,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:30,945 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:10:30,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:30,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 273 states and 528 transitions. [2019-11-20 10:10:30,984 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 528 transitions. [2019-11-20 10:10:30,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 10:10:30,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:31,014 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:31,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:31,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 272 states and 526 transitions. [2019-11-20 10:10:31,613 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 526 transitions. [2019-11-20 10:10:31,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 10:10:31,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:31,919 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:32,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:32,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 272 states and 525 transitions. [2019-11-20 10:10:32,902 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 525 transitions. [2019-11-20 10:10:32,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 10:10:32,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:33,210 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:34,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 272 states and 523 transitions. [2019-11-20 10:10:34,169 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 523 transitions. [2019-11-20 10:10:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 10:10:34,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:34,205 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:10:35,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:35,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 279 states and 534 transitions. [2019-11-20 10:10:35,438 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 534 transitions. [2019-11-20 10:10:35,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 10:10:35,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:35,466 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:35,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:35,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 281 states and 537 transitions. [2019-11-20 10:10:35,486 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 537 transitions. [2019-11-20 10:10:35,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 10:10:35,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:35,516 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:10:35,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:35,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 282 states and 538 transitions. [2019-11-20 10:10:35,542 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 538 transitions. [2019-11-20 10:10:35,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 10:10:35,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:35,813 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:36,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:36,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 282 states and 537 transitions. [2019-11-20 10:10:36,568 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 537 transitions. [2019-11-20 10:10:36,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 10:10:36,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:36,597 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:38,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:38,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 287 states and 550 transitions. [2019-11-20 10:10:38,131 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 550 transitions. [2019-11-20 10:10:38,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 10:10:38,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:38,158 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:38,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:38,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 285 states and 546 transitions. [2019-11-20 10:10:38,170 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 546 transitions. [2019-11-20 10:10:38,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 10:10:38,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:38,198 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:39,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:39,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 285 states and 545 transitions. [2019-11-20 10:10:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 545 transitions. [2019-11-20 10:10:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 10:10:39,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:10:39,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:39,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 287 states and 548 transitions. [2019-11-20 10:10:39,760 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 548 transitions. [2019-11-20 10:10:39,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 10:10:39,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:39,803 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 10:10:39,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:39,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 290 states and 557 transitions. [2019-11-20 10:10:39,841 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 557 transitions. [2019-11-20 10:10:39,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 10:10:39,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:39,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:39,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 290 states and 556 transitions. [2019-11-20 10:10:39,886 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 556 transitions. [2019-11-20 10:10:39,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 10:10:39,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:39,921 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:39,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:39,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 292 states and 559 transitions. [2019-11-20 10:10:39,935 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 559 transitions. [2019-11-20 10:10:39,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 10:10:39,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:39,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:39,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 285 states and 543 transitions. [2019-11-20 10:10:39,990 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 543 transitions. [2019-11-20 10:10:39,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 10:10:39,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:40,022 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:10:40,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:40,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 290 states and 552 transitions. [2019-11-20 10:10:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 552 transitions. [2019-11-20 10:10:40,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 10:10:40,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:40,079 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:10:40,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:40,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 294 states and 558 transitions. [2019-11-20 10:10:40,448 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 558 transitions. [2019-11-20 10:10:40,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 10:10:40,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:40,479 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:40,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:40,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 297 states and 564 transitions. [2019-11-20 10:10:40,501 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 564 transitions. [2019-11-20 10:10:40,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 10:10:40,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:40,528 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:40,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:40,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 297 states and 563 transitions. [2019-11-20 10:10:40,542 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 563 transitions. [2019-11-20 10:10:40,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 10:10:40,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:40,570 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:40,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:40,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 301 states and 570 transitions. [2019-11-20 10:10:40,582 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 570 transitions. [2019-11-20 10:10:40,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 10:10:40,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:40,615 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:10:40,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 302 states and 571 transitions. [2019-11-20 10:10:40,643 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 571 transitions. [2019-11-20 10:10:40,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 10:10:40,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:40,672 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:40,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:40,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 300 states and 565 transitions. [2019-11-20 10:10:40,734 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 565 transitions. [2019-11-20 10:10:40,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:10:40,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:40,762 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:40,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:40,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 297 states and 556 transitions. [2019-11-20 10:10:40,772 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 556 transitions. [2019-11-20 10:10:40,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:10:40,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:40,821 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-11-20 10:10:41,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 298 states and 557 transitions. [2019-11-20 10:10:41,297 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 557 transitions. [2019-11-20 10:10:41,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:10:41,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:42,211 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 10:10:47,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:47,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 316 states and 594 transitions. [2019-11-20 10:10:47,577 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 594 transitions. [2019-11-20 10:10:47,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:10:47,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:48,039 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:52,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:52,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 326 states and 619 transitions. [2019-11-20 10:10:52,057 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 619 transitions. [2019-11-20 10:10:52,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:10:52,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:52,087 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:52,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 324 states and 614 transitions. [2019-11-20 10:10:52,099 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 614 transitions. [2019-11-20 10:10:52,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:10:52,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:52,128 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:10:52,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 327 states and 619 transitions. [2019-11-20 10:10:52,156 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 619 transitions. [2019-11-20 10:10:52,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 10:10:52,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:52,181 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 329 states and 621 transitions. [2019-11-20 10:10:52,201 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 621 transitions. [2019-11-20 10:10:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 10:10:52,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:52,230 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:10:52,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:52,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 332 states and 628 transitions. [2019-11-20 10:10:52,280 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 628 transitions. [2019-11-20 10:10:52,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 10:10:52,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:52,336 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-11-20 10:10:52,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:52,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 333 states and 628 transitions. [2019-11-20 10:10:52,644 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 628 transitions. [2019-11-20 10:10:52,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 10:10:52,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 10:10:56,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:56,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 347 states and 657 transitions. [2019-11-20 10:10:56,303 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 657 transitions. [2019-11-20 10:10:56,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 10:10:56,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:56,585 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:10:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:58,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 348 states and 659 transitions. [2019-11-20 10:10:58,129 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 659 transitions. [2019-11-20 10:10:58,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 10:10:58,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:58,155 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:10:59,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:10:59,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 349 states and 663 transitions. [2019-11-20 10:10:59,434 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 663 transitions. [2019-11-20 10:10:59,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 10:10:59,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:10:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:11:00,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:00,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 350 states and 665 transitions. [2019-11-20 10:11:00,358 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 665 transitions. [2019-11-20 10:11:00,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 10:11:00,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:00,633 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:11:02,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:02,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 352 states and 668 transitions. [2019-11-20 10:11:02,903 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 668 transitions. [2019-11-20 10:11:02,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 10:11:02,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:02,926 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:11:02,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:02,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 354 states and 671 transitions. [2019-11-20 10:11:02,939 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 671 transitions. [2019-11-20 10:11:02,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 10:11:02,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:02,964 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:11:02,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:02,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 355 states and 672 transitions. [2019-11-20 10:11:02,999 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 672 transitions. [2019-11-20 10:11:02,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 10:11:02,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:03,026 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:11:03,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 353 states and 669 transitions. [2019-11-20 10:11:03,039 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 669 transitions. [2019-11-20 10:11:03,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 10:11:03,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:03,068 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:11:03,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:03,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 355 states and 672 transitions. [2019-11-20 10:11:03,089 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 672 transitions. [2019-11-20 10:11:03,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 10:11:03,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:11:03,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:03,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 356 states and 673 transitions. [2019-11-20 10:11:03,154 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 673 transitions. [2019-11-20 10:11:03,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 10:11:03,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:03,981 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 10:11:07,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:07,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 371 states and 702 transitions. [2019-11-20 10:11:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 702 transitions. [2019-11-20 10:11:07,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 10:11:07,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:11:08,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:08,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 369 states and 698 transitions. [2019-11-20 10:11:08,017 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 698 transitions. [2019-11-20 10:11:08,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 10:11:08,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:11:08,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:08,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 372 states and 703 transitions. [2019-11-20 10:11:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 703 transitions. [2019-11-20 10:11:08,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 10:11:08,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:08,142 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:11:08,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:08,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 370 states and 699 transitions. [2019-11-20 10:11:08,155 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 699 transitions. [2019-11-20 10:11:08,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 10:11:08,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:08,755 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 10:11:14,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 388 states and 738 transitions. [2019-11-20 10:11:14,813 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 738 transitions. [2019-11-20 10:11:14,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 10:11:14,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:14,839 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:11:20,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:20,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 388 states and 737 transitions. [2019-11-20 10:11:20,384 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 737 transitions. [2019-11-20 10:11:20,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 10:11:20,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:20,493 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 10:11:20,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 389 states and 738 transitions. [2019-11-20 10:11:20,960 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 738 transitions. [2019-11-20 10:11:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 10:11:20,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:20,986 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:11:21,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:21,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 390 states and 739 transitions. [2019-11-20 10:11:21,017 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 739 transitions. [2019-11-20 10:11:21,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 10:11:21,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:21,049 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:11:21,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:21,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 391 states and 740 transitions. [2019-11-20 10:11:21,083 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 740 transitions. [2019-11-20 10:11:21,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 10:11:21,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:21,126 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 10:11:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:21,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 393 states and 749 transitions. [2019-11-20 10:11:21,696 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 749 transitions. [2019-11-20 10:11:21,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 10:11:21,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:21,719 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:11:22,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:22,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 396 states and 758 transitions. [2019-11-20 10:11:22,206 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 758 transitions. [2019-11-20 10:11:22,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 10:11:22,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 10:11:24,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 397 states and 761 transitions. [2019-11-20 10:11:24,326 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 761 transitions. [2019-11-20 10:11:24,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 10:11:24,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:24,349 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:11:25,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:25,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 399 states and 768 transitions. [2019-11-20 10:11:25,043 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 768 transitions. [2019-11-20 10:11:25,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 10:11:25,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:25,070 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:11:25,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:25,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 398 states and 765 transitions. [2019-11-20 10:11:25,084 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 765 transitions. [2019-11-20 10:11:25,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 10:11:25,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:25,431 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:11:36,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:36,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 419 states and 805 transitions. [2019-11-20 10:11:36,264 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 805 transitions. [2019-11-20 10:11:36,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 10:11:36,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:36,665 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 10:11:38,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:38,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 420 states and 806 transitions. [2019-11-20 10:11:38,558 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 806 transitions. [2019-11-20 10:11:38,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 10:11:38,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:38,593 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:11:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:40,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 423 states and 814 transitions. [2019-11-20 10:11:40,246 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 814 transitions. [2019-11-20 10:11:40,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 10:11:40,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:40,637 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:11:51,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:11:51,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 441 states and 855 transitions. [2019-11-20 10:11:51,307 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 855 transitions. [2019-11-20 10:11:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 10:11:51,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:11:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:11:52,908 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 41 proven. 17 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 10:12:01,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:01,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 448 states and 878 transitions. [2019-11-20 10:12:01,168 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 878 transitions. [2019-11-20 10:12:01,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 10:12:01,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:12:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 449 states and 879 transitions. [2019-11-20 10:12:01,210 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 879 transitions. [2019-11-20 10:12:01,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 10:12:01,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:01,630 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 40 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 10:12:05,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:05,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 450 states and 884 transitions. [2019-11-20 10:12:05,612 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 884 transitions. [2019-11-20 10:12:05,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 10:12:05,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:05,653 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 41 proven. 17 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 10:12:06,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:06,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 451 states and 885 transitions. [2019-11-20 10:12:06,133 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 885 transitions. [2019-11-20 10:12:06,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 10:12:06,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:06,158 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:12:06,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:06,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 453 states and 891 transitions. [2019-11-20 10:12:06,997 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 891 transitions. [2019-11-20 10:12:06,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 10:12:06,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:07,037 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 40 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 10:12:08,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:08,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 452 states and 884 transitions. [2019-11-20 10:12:08,041 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 884 transitions. [2019-11-20 10:12:08,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 10:12:08,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 10:12:08,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:08,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 455 states and 891 transitions. [2019-11-20 10:12:08,168 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 891 transitions. [2019-11-20 10:12:08,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 10:12:08,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:08,195 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:12:08,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:08,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 456 states and 892 transitions. [2019-11-20 10:12:08,210 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 892 transitions. [2019-11-20 10:12:08,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 10:12:08,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:08,243 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 10:12:08,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:08,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 457 states and 893 transitions. [2019-11-20 10:12:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 893 transitions. [2019-11-20 10:12:08,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 10:12:08,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:08,302 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:12:08,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:08,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 458 states and 894 transitions. [2019-11-20 10:12:08,314 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 894 transitions. [2019-11-20 10:12:08,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 10:12:08,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:08,338 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:12:08,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:08,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 463 states and 903 transitions. [2019-11-20 10:12:08,416 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 903 transitions. [2019-11-20 10:12:08,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 10:12:08,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:08,454 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 10:12:13,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:13,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 469 states and 924 transitions. [2019-11-20 10:12:13,250 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 924 transitions. [2019-11-20 10:12:13,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 10:12:13,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:13,292 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 10:12:18,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:18,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 477 states and 940 transitions. [2019-11-20 10:12:18,249 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 940 transitions. [2019-11-20 10:12:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 10:12:18,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:18,272 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:12:18,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:18,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 480 states and 945 transitions. [2019-11-20 10:12:18,302 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 945 transitions. [2019-11-20 10:12:18,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 10:12:18,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:18,325 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:12:18,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:18,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 481 states and 946 transitions. [2019-11-20 10:12:18,351 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 946 transitions. [2019-11-20 10:12:18,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-20 10:12:18,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:18,379 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:12:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 482 states and 947 transitions. [2019-11-20 10:12:18,394 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 947 transitions. [2019-11-20 10:12:18,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-20 10:12:18,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:12:18,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:18,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 485 states and 953 transitions. [2019-11-20 10:12:18,491 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 953 transitions. [2019-11-20 10:12:18,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 10:12:18,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:18,983 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 10:12:28,097 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2019-11-20 10:12:31,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 500 states and 984 transitions. [2019-11-20 10:12:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 984 transitions. [2019-11-20 10:12:31,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 10:12:31,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:31,786 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 10:12:33,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:33,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 502 states and 986 transitions. [2019-11-20 10:12:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 986 transitions. [2019-11-20 10:12:33,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 10:12:33,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:33,929 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 10:12:45,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:45,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 514 states and 1004 transitions. [2019-11-20 10:12:45,757 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 1004 transitions. [2019-11-20 10:12:45,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 10:12:45,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:45,794 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 10:12:46,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:46,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 515 states and 1006 transitions. [2019-11-20 10:12:46,721 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1006 transitions. [2019-11-20 10:12:46,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 10:12:46,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:12:46,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:46,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 518 states and 1011 transitions. [2019-11-20 10:12:46,766 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1011 transitions. [2019-11-20 10:12:46,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 10:12:46,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:12:46,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:46,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 519 states and 1012 transitions. [2019-11-20 10:12:46,831 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1012 transitions. [2019-11-20 10:12:46,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 10:12:46,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:46,868 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 10:12:47,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:47,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 520 states and 1015 transitions. [2019-11-20 10:12:47,476 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 1015 transitions. [2019-11-20 10:12:47,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 10:12:47,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:12:47,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:47,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 521 states and 1016 transitions. [2019-11-20 10:12:47,522 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 1016 transitions. [2019-11-20 10:12:47,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 10:12:47,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:12:51,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:51,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 524 states and 1021 transitions. [2019-11-20 10:12:51,943 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1021 transitions. [2019-11-20 10:12:51,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 10:12:51,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:51,978 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:12:58,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:58,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 533 states and 1040 transitions. [2019-11-20 10:12:58,620 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 1040 transitions. [2019-11-20 10:12:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 10:12:58,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:12:58,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:58,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 534 states and 1041 transitions. [2019-11-20 10:12:58,658 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 1041 transitions. [2019-11-20 10:12:58,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 10:12:58,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:58,681 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:12:58,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:58,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 537 states and 1046 transitions. [2019-11-20 10:12:58,711 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1046 transitions. [2019-11-20 10:12:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 10:12:58,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:12:58,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:12:58,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 538 states and 1048 transitions. [2019-11-20 10:12:58,787 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1048 transitions. [2019-11-20 10:12:58,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 10:12:58,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:12:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:59,004 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 10:13:06,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:06,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 544 states and 1057 transitions. [2019-11-20 10:13:06,542 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 1057 transitions. [2019-11-20 10:13:06,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 10:13:06,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:06,681 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 10:13:11,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 553 states and 1072 transitions. [2019-11-20 10:13:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1072 transitions. [2019-11-20 10:13:11,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 10:13:11,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:12,460 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 10:13:16,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:16,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 556 states and 1076 transitions. [2019-11-20 10:13:16,184 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1076 transitions. [2019-11-20 10:13:16,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 10:13:16,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:16,211 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:13:16,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:16,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 561 states and 1090 transitions. [2019-11-20 10:13:16,238 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 1090 transitions. [2019-11-20 10:13:16,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 10:13:16,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:13:16,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:16,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 565 states and 1101 transitions. [2019-11-20 10:13:16,996 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1101 transitions. [2019-11-20 10:13:16,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 10:13:16,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:17,018 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:13:17,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:17,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 566 states and 1101 transitions. [2019-11-20 10:13:17,032 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 1101 transitions. [2019-11-20 10:13:17,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 10:13:17,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:17,054 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:13:22,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:22,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 569 states and 1108 transitions. [2019-11-20 10:13:22,804 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 1108 transitions. [2019-11-20 10:13:22,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 10:13:22,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:13:22,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:22,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 574 states and 1118 transitions. [2019-11-20 10:13:22,839 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 1118 transitions. [2019-11-20 10:13:22,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 10:13:22,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:22,869 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:13:22,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:22,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 575 states and 1119 transitions. [2019-11-20 10:13:22,896 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1119 transitions. [2019-11-20 10:13:22,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 10:13:22,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:22,919 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:13:23,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:23,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 579 states and 1126 transitions. [2019-11-20 10:13:23,295 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1126 transitions. [2019-11-20 10:13:23,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 10:13:23,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:23,324 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-11-20 10:13:23,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:23,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 581 states and 1129 transitions. [2019-11-20 10:13:23,390 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1129 transitions. [2019-11-20 10:13:23,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 10:13:23,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:23,413 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:13:23,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:23,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 582 states and 1130 transitions. [2019-11-20 10:13:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1130 transitions. [2019-11-20 10:13:23,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 10:13:23,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:23,450 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:13:23,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:23,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 585 states and 1136 transitions. [2019-11-20 10:13:23,489 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1136 transitions. [2019-11-20 10:13:23,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 10:13:23,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:23,511 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:13:35,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:35,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 585 states and 1135 transitions. [2019-11-20 10:13:35,116 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1135 transitions. [2019-11-20 10:13:35,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 10:13:35,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:35,145 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-20 10:13:38,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:38,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 589 states and 1141 transitions. [2019-11-20 10:13:38,312 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1141 transitions. [2019-11-20 10:13:38,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 10:13:38,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:38,334 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:13:38,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 592 states and 1146 transitions. [2019-11-20 10:13:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1146 transitions. [2019-11-20 10:13:38,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 10:13:38,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:13:38,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:38,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 593 states and 1147 transitions. [2019-11-20 10:13:38,408 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1147 transitions. [2019-11-20 10:13:38,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 10:13:38,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:38,434 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:13:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:38,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 596 states and 1154 transitions. [2019-11-20 10:13:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1154 transitions. [2019-11-20 10:13:38,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 10:13:38,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:38,649 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 10:13:39,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:39,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 597 states and 1157 transitions. [2019-11-20 10:13:39,927 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1157 transitions. [2019-11-20 10:13:39,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 10:13:39,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:39,948 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 10:13:42,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:42,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 600 states and 1164 transitions. [2019-11-20 10:13:42,066 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1164 transitions. [2019-11-20 10:13:42,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 10:13:42,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:42,089 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:13:42,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:42,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 601 states and 1165 transitions. [2019-11-20 10:13:42,103 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1165 transitions. [2019-11-20 10:13:42,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 10:13:42,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:42,128 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:13:42,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:42,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 604 states and 1175 transitions. [2019-11-20 10:13:42,184 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1175 transitions. [2019-11-20 10:13:42,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-20 10:13:42,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:42,212 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:13:42,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:42,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 605 states and 1176 transitions. [2019-11-20 10:13:42,293 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1176 transitions. [2019-11-20 10:13:42,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-20 10:13:42,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:13:42,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:42,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 610 states and 1185 transitions. [2019-11-20 10:13:42,506 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 1185 transitions. [2019-11-20 10:13:42,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-20 10:13:42,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:43,554 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 10:13:51,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:51,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 617 states and 1204 transitions. [2019-11-20 10:13:51,574 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1204 transitions. [2019-11-20 10:13:51,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 10:13:51,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:52,218 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 10:13:54,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:54,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 617 states and 1203 transitions. [2019-11-20 10:13:54,056 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1203 transitions. [2019-11-20 10:13:54,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 10:13:54,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:54,079 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:13:54,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:54,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 620 states and 1208 transitions. [2019-11-20 10:13:54,109 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1208 transitions. [2019-11-20 10:13:54,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 10:13:54,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:54,147 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:13:54,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:54,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 621 states and 1209 transitions. [2019-11-20 10:13:54,188 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 1209 transitions. [2019-11-20 10:13:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 10:13:54,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:54,221 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 10:13:54,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:13:54,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 622 states and 1210 transitions. [2019-11-20 10:13:54,236 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1210 transitions. [2019-11-20 10:13:54,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 10:13:54,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:13:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:55,332 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 10:14:02,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:02,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 629 states and 1227 transitions. [2019-11-20 10:14:02,970 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1227 transitions. [2019-11-20 10:14:02,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-20 10:14:02,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:03,010 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 10:14:03,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:03,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 634 states and 1237 transitions. [2019-11-20 10:14:03,344 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1237 transitions. [2019-11-20 10:14:03,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-20 10:14:03,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:04,014 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 12 proven. 97 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 10:14:07,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:07,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 638 states and 1246 transitions. [2019-11-20 10:14:07,634 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1246 transitions. [2019-11-20 10:14:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-20 10:14:07,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:14:07,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:07,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 639 states and 1247 transitions. [2019-11-20 10:14:07,670 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1247 transitions. [2019-11-20 10:14:07,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-20 10:14:07,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:07,705 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:14:07,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:07,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 642 states and 1253 transitions. [2019-11-20 10:14:07,771 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1253 transitions. [2019-11-20 10:14:07,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-20 10:14:07,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:07,806 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 10:14:07,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:07,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 643 states and 1254 transitions. [2019-11-20 10:14:07,821 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1254 transitions. [2019-11-20 10:14:07,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-20 10:14:07,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:07,846 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:14:07,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:07,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 646 states and 1259 transitions. [2019-11-20 10:14:07,870 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1259 transitions. [2019-11-20 10:14:07,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-20 10:14:07,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:07,896 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:14:07,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:07,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 647 states and 1260 transitions. [2019-11-20 10:14:07,927 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1260 transitions. [2019-11-20 10:14:07,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-20 10:14:07,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:09,522 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 10:14:23,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:23,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 660 states and 1288 transitions. [2019-11-20 10:14:23,319 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1288 transitions. [2019-11-20 10:14:23,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-20 10:14:23,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:23,369 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 10:14:30,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:30,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 668 states and 1302 transitions. [2019-11-20 10:14:30,609 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1302 transitions. [2019-11-20 10:14:30,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 10:14:30,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:30,638 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:14:30,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:30,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 669 states and 1303 transitions. [2019-11-20 10:14:30,652 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1303 transitions. [2019-11-20 10:14:30,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 10:14:30,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:30,685 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 10:14:34,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:34,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 669 states and 1301 transitions. [2019-11-20 10:14:34,591 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1301 transitions. [2019-11-20 10:14:34,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 10:14:34,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:34,803 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 10:14:38,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:38,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 668 states and 1298 transitions. [2019-11-20 10:14:38,762 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1298 transitions. [2019-11-20 10:14:38,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-20 10:14:38,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:14:41,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:41,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 670 states and 1299 transitions. [2019-11-20 10:14:41,649 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1299 transitions. [2019-11-20 10:14:41,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-20 10:14:41,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:41,820 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-20 10:14:41,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 672 states and 1302 transitions. [2019-11-20 10:14:41,967 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1302 transitions. [2019-11-20 10:14:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-20 10:14:41,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:14:42,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:42,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 677 states and 1317 transitions. [2019-11-20 10:14:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1317 transitions. [2019-11-20 10:14:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-20 10:14:42,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:42,070 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:14:42,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:42,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 681 states and 1329 transitions. [2019-11-20 10:14:42,951 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 1329 transitions. [2019-11-20 10:14:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 10:14:42,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:43,101 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 10:14:44,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:44,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 682 states and 1331 transitions. [2019-11-20 10:14:44,506 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1331 transitions. [2019-11-20 10:14:44,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 10:14:44,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:44,535 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:14:44,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:44,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 687 states and 1340 transitions. [2019-11-20 10:14:44,555 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1340 transitions. [2019-11-20 10:14:44,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 10:14:44,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:44,586 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:14:44,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:44,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 688 states and 1341 transitions. [2019-11-20 10:14:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1341 transitions. [2019-11-20 10:14:44,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 10:14:44,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:14:44,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:44,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 692 states and 1347 transitions. [2019-11-20 10:14:44,961 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1347 transitions. [2019-11-20 10:14:44,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-20 10:14:44,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:45,104 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-11-20 10:14:45,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:45,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 694 states and 1352 transitions. [2019-11-20 10:14:45,160 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1352 transitions. [2019-11-20 10:14:45,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-20 10:14:45,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:14:45,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:45,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 695 states and 1353 transitions. [2019-11-20 10:14:45,218 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1353 transitions. [2019-11-20 10:14:45,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-20 10:14:45,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:45,258 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:14:45,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:45,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 698 states and 1359 transitions. [2019-11-20 10:14:45,334 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1359 transitions. [2019-11-20 10:14:45,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-20 10:14:45,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:14:45,493 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-11-20 10:14:49,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:14:49,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 702 states and 1368 transitions. [2019-11-20 10:14:49,530 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1368 transitions. [2019-11-20 10:14:49,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-20 10:14:49,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:14:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:14:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:14:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-11-20 10:14:59,946 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 10:14:59,949 INFO L168 Benchmark]: Toolchain (without parser) took 306026.69 ms. Allocated memory was 1.0 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 944.7 MB in the beginning and 3.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 677.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:14:59,950 INFO L168 Benchmark]: CDTParser took 0.19 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 10:14:59,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-20 10:14:59,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.88 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:14:59,952 INFO L168 Benchmark]: Boogie Preprocessor took 118.67 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:14:59,953 INFO L168 Benchmark]: RCFGBuilder took 3224.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.0 MB in the end (delta: 213.4 MB). Peak memory consumption was 213.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:14:59,953 INFO L168 Benchmark]: CodeCheck took 301908.21 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.6 GB). Free memory was 908.0 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 477.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:14:59,957 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 703.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.88 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 118.67 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3224.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.0 MB in the end (delta: 213.4 MB). Peak memory consumption was 213.4 MB. Max. memory is 11.5 GB. * CodeCheck took 301908.21 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.6 GB). Free memory was 908.0 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 477.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 10:15:01,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:15:01,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:15:01,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:15:01,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:15:01,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:15:01,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:15:01,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:15:01,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:15:01,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:15:01,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:15:01,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:15:01,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:15:01,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:15:01,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:15:01,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:15:01,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:15:01,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:15:01,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:15:01,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:15:01,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:15:01,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:15:01,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:15:01,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:15:01,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:15:01,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:15:01,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:15:01,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:15:01,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:15:01,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:15:01,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:15:01,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:15:01,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:15:01,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:15:01,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:15:01,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:15:01,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:15:01,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:15:01,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:15:01,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:15:01,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:15:01,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2019-11-20 10:15:01,965 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:15:01,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:15:01,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:15:01,968 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:15:01,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:15:01,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:15:01,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:15:01,970 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:15:01,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:15:01,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:15:01,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:15:01,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:15:01,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:15:01,972 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 10:15:01,973 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 10:15:01,973 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:15:01,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:15:01,974 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:15:01,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:15:01,974 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:15:01,974 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:15:01,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:15:01,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:15:01,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:15:01,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:15:01,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:15:01,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:15:01,976 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-20 10:15:01,977 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 10:15:01,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:15:01,977 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-11-20 10:15:01,977 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 10:15:01,978 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_74558f96-b515-447b-8381-e099fe13e06c/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 -> dbebd8f3a7ff59c46b95280959676a0cf0887b44 [2019-11-20 10:15:02,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:15:02,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:15:02,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:15:02,294 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:15:02,294 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:15:02,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/../../sv-benchmarks/c/ssh/s3_clnt.blast.04.i.cil-1.c [2019-11-20 10:15:02,351 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/data/959b58a34/07bb0ff4dcf24c1099e231f2b4c35ea9/FLAG6dc56b451 [2019-11-20 10:15:02,794 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:15:02,794 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/sv-benchmarks/c/ssh/s3_clnt.blast.04.i.cil-1.c [2019-11-20 10:15:02,818 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/data/959b58a34/07bb0ff4dcf24c1099e231f2b4c35ea9/FLAG6dc56b451 [2019-11-20 10:15:03,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/bin/ukojak/data/959b58a34/07bb0ff4dcf24c1099e231f2b4c35ea9 [2019-11-20 10:15:03,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:15:03,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:15:03,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:15:03,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:15:03,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:15:03,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:15:03" (1/1) ... [2019-11-20 10:15:03,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61dcf982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03, skipping insertion in model container [2019-11-20 10:15:03,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:15:03" (1/1) ... [2019-11-20 10:15:03,079 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:15:03,137 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:15:03,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:15:03,644 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:15:03,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:15:03,836 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:15:03,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03 WrapperNode [2019-11-20 10:15:03,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:15:03,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:15:03,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:15:03,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:15:03,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2019-11-20 10:15:03,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2019-11-20 10:15:03,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:15:03,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:15:03,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:15:03,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:15:03,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2019-11-20 10:15:03,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2019-11-20 10:15:03,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2019-11-20 10:15:03,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2019-11-20 10:15:03,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2019-11-20 10:15:03,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2019-11-20 10:15:04,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2019-11-20 10:15:04,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:15:04,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:15:04,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:15:04,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:15:04,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74558f96-b515-447b-8381-e099fe13e06c/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 10:15:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 10:15:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:15:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 10:15:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 10:15:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 10:15:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:15:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:15:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 10:15:04,271 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:15:07,479 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-11-20 10:15:07,480 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-11-20 10:17:37,581 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:17:37,581 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 10:17:37,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:17:37 BoogieIcfgContainer [2019-11-20 10:17:37,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:17:37,583 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:17:37,584 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:17:37,593 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:17:37,593 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:17:37" (1/1) ... [2019-11-20 10:17:37,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:17:37,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:37,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 86 states and 147 transitions. [2019-11-20 10:17:37,632 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 147 transitions. [2019-11-20 10:17:37,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:17:37,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:37,677 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 10:17:37,681 INFO L168 Benchmark]: Toolchain (without parser) took 154617.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 956.4 MB in the beginning and 902.0 MB in the end (delta: 54.4 MB). Peak memory consumption was 218.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:17:37,682 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:17:37,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:17:37,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.44 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:17:37,684 INFO L168 Benchmark]: Boogie Preprocessor took 81.19 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:17:37,685 INFO L168 Benchmark]: RCFGBuilder took 153574.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.6 MB in the end (delta: 210.8 MB). Peak memory consumption was 210.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:17:37,686 INFO L168 Benchmark]: CodeCheck took 95.99 ms. Allocated memory is still 1.2 GB. Free memory was 908.6 MB in the beginning and 902.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:17:37,689 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 772.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.44 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.19 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 153574.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.6 MB in the end (delta: 210.8 MB). Peak memory consumption was 210.8 MB. Max. memory is 11.5 GB. * CodeCheck took 95.99 ms. Allocated memory is still 1.2 GB. Free memory was 908.6 MB in the beginning and 902.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...