./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_15-2.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_99662e27-c3b7-4fa1-9ee7-cacc9cc34bda/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_99662e27-c3b7-4fa1-9ee7-cacc9cc34bda/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_99662e27-c3b7-4fa1-9ee7-cacc9cc34bda/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_99662e27-c3b7-4fa1-9ee7-cacc9cc34bda/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_15-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_99662e27-c3b7-4fa1-9ee7-cacc9cc34bda/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_99662e27-c3b7-4fa1-9ee7-cacc9cc34bda/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 129b0578c0c64625cef50fbcfd5d128651ff3275 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:15:32,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:15:32,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:15:32,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:15:32,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:15:32,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:15:32,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:15:32,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:15:32,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:15:32,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:15:32,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:15:32,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:15:32,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:15:32,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:15:32,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:15:32,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:15:32,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:15:32,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:15:32,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:15:32,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:15:32,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:15:32,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:15:32,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:15:32,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:15:32,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:15:32,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:15:32,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:15:32,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:15:32,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:15:32,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:15:32,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:15:32,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:15:32,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:15:32,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:15:32,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:15:32,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:15:32,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:15:32,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:15:32,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:15:32,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:15:32,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:15:32,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_99662e27-c3b7-4fa1-9ee7-cacc9cc34bda/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 10:15:32,982 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:15:32,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:15:32,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:15:32,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:15:32,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:15:32,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:15:32,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:15:32,984 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:15:32,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:15:32,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:15:32,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:15:32,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:15:32,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:15:32,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:15:32,985 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:15:32,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:15:32,985 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:15:32,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:15:32,986 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:15:32,986 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:15:32,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:15:32,986 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:15:32,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:15:32,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:15:32,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:15:32,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:15:32,987 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:15:32,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:15:32,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:15:32,988 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_99662e27-c3b7-4fa1-9ee7-cacc9cc34bda/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 -> 129b0578c0c64625cef50fbcfd5d128651ff3275 [2019-11-20 10:15:33,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:15:33,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:15:33,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:15:33,183 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:15:33,184 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:15:33,185 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_99662e27-c3b7-4fa1-9ee7-cacc9cc34bda/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_15-2.c [2019-11-20 10:15:33,246 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_99662e27-c3b7-4fa1-9ee7-cacc9cc34bda/bin/ukojak/data/7c3cdf1c3/3092484982304b758b26831c0f405004/FLAGf75266e73 [2019-11-20 10:15:33,590 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:15:33,591 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_99662e27-c3b7-4fa1-9ee7-cacc9cc34bda/sv-benchmarks/c/locks/test_locks_15-2.c [2019-11-20 10:15:33,598 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_99662e27-c3b7-4fa1-9ee7-cacc9cc34bda/bin/ukojak/data/7c3cdf1c3/3092484982304b758b26831c0f405004/FLAGf75266e73 [2019-11-20 10:15:33,991 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_99662e27-c3b7-4fa1-9ee7-cacc9cc34bda/bin/ukojak/data/7c3cdf1c3/3092484982304b758b26831c0f405004 [2019-11-20 10:15:33,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:15:33,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:15:33,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:15:33,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:15:33,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:15:33,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:15:33" (1/1) ... [2019-11-20 10:15:34,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368a4949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:34, skipping insertion in model container [2019-11-20 10:15:34,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:15:33" (1/1) ... [2019-11-20 10:15:34,008 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:15:34,030 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:15:34,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:15:34,290 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:15:34,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:15:34,353 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:15:34,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:34 WrapperNode [2019-11-20 10:15:34,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:15:34,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:15:34,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:15:34,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:15:34,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:34" (1/1) ... [2019-11-20 10:15:34,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:34" (1/1) ... [2019-11-20 10:15:34,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:15:34,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:15:34,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:15:34,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:15:34,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:34" (1/1) ... [2019-11-20 10:15:34,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:34" (1/1) ... [2019-11-20 10:15:34,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:34" (1/1) ... [2019-11-20 10:15:34,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:34" (1/1) ... [2019-11-20 10:15:34,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:34" (1/1) ... [2019-11-20 10:15:34,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:34" (1/1) ... [2019-11-20 10:15:34,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:34" (1/1) ... [2019-11-20 10:15:34,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:15:34,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:15:34,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:15:34,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:15:34,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99662e27-c3b7-4fa1-9ee7-cacc9cc34bda/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 10:15:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:15:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:15:35,098 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:15:35,099 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 10:15:35,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:15:35 BoogieIcfgContainer [2019-11-20 10:15:35,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:15:35,100 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:15:35,100 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:15:35,110 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:15:35,110 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:15:35" (1/1) ... [2019-11-20 10:15:35,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:15:35,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:35,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2019-11-20 10:15:35,152 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2019-11-20 10:15:35,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 10:15:35,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:35,338 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 10:15:35,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2019-11-20 10:15:35,397 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2019-11-20 10:15:35,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 10:15:35,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:35,512 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 10:15:35,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:35,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2019-11-20 10:15:35,661 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2019-11-20 10:15:35,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 10:15:35,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:35,760 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 10:15:36,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:36,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2019-11-20 10:15:36,100 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2019-11-20 10:15:36,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 10:15:36,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:36,144 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 10:15:36,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:36,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2019-11-20 10:15:36,272 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2019-11-20 10:15:36,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 10:15:36,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:36,311 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 10:15:36,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:36,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2019-11-20 10:15:36,451 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2019-11-20 10:15:36,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 10:15:36,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:36,544 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 10:15:37,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:37,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2019-11-20 10:15:37,139 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2019-11-20 10:15:37,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 10:15:37,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:37,159 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 10:15:37,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:37,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2019-11-20 10:15:37,338 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2019-11-20 10:15:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 10:15:37,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:37,367 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 10:15:37,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2019-11-20 10:15:37,507 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2019-11-20 10:15:37,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 10:15:37,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:37,522 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 10:15:37,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:37,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2019-11-20 10:15:37,670 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2019-11-20 10:15:37,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 10:15:37,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:37,780 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 10:15:38,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:38,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2019-11-20 10:15:38,553 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2019-11-20 10:15:38,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 10:15:38,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:38,568 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 10:15:38,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:38,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2019-11-20 10:15:38,769 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2019-11-20 10:15:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:15:38,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:38,784 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 10:15:38,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2019-11-20 10:15:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2019-11-20 10:15:38,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:15:38,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:38,988 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 10:15:39,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:39,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2019-11-20 10:15:39,166 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2019-11-20 10:15:39,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:15:39,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:39,266 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 10:15:40,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:40,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2019-11-20 10:15:40,433 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2019-11-20 10:15:40,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:15:40,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:40,447 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 10:15:40,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:40,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2019-11-20 10:15:40,647 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2019-11-20 10:15:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:15:40,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:40,663 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 10:15:40,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:40,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 76 transitions. [2019-11-20 10:15:40,878 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2019-11-20 10:15:40,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:15:40,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:40,903 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 10:15:41,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:41,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2019-11-20 10:15:41,170 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2019-11-20 10:15:41,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:15:41,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:41,184 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 10:15:41,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:41,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2019-11-20 10:15:41,479 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2019-11-20 10:15:41,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:15:41,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:41,495 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 10:15:41,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:41,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2019-11-20 10:15:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2019-11-20 10:15:41,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:15:41,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:41,925 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 10:15:43,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:43,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2019-11-20 10:15:43,624 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2019-11-20 10:15:43,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:15:43,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:43,638 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 10:15:43,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:43,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 93 transitions. [2019-11-20 10:15:43,893 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2019-11-20 10:15:43,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:15:43,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:43,908 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 10:15:44,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:44,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2019-11-20 10:15:44,216 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2019-11-20 10:15:44,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:15:44,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:44,229 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 10:15:44,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:44,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2019-11-20 10:15:44,552 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2019-11-20 10:15:44,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:15:44,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:44,577 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 10:15:44,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:44,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2019-11-20 10:15:44,943 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2019-11-20 10:15:44,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:15:44,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:44,956 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 10:15:45,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2019-11-20 10:15:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2019-11-20 10:15:45,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:15:45,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:45,234 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 10:15:45,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:45,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2019-11-20 10:15:45,477 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2019-11-20 10:15:45,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:15:45,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:45,660 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 10:15:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:48,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 57 states and 98 transitions. [2019-11-20 10:15:48,070 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 98 transitions. [2019-11-20 10:15:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:15:48,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:48,112 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 10:15:48,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:48,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2019-11-20 10:15:48,402 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2019-11-20 10:15:48,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:15:48,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:48,413 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 10:15:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:48,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 80 transitions. [2019-11-20 10:15:48,849 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2019-11-20 10:15:48,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:15:48,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:48,860 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 10:15:49,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:49,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2019-11-20 10:15:49,427 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2019-11-20 10:15:49,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:15:49,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:49,444 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 10:15:49,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:49,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 80 transitions. [2019-11-20 10:15:49,882 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2019-11-20 10:15:49,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:15:49,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:49,895 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 10:15:50,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2019-11-20 10:15:50,196 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2019-11-20 10:15:50,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:15:50,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:50,207 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 10:15:50,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:50,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2019-11-20 10:15:50,512 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2019-11-20 10:15:50,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:15:50,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:50,732 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 10:15:53,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:53,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 103 transitions. [2019-11-20 10:15:53,991 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2019-11-20 10:15:53,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:15:53,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:54,007 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 10:15:54,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:54,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 60 states and 103 transitions. [2019-11-20 10:15:54,315 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 103 transitions. [2019-11-20 10:15:54,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:15:54,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:54,326 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 10:15:54,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:54,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2019-11-20 10:15:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2019-11-20 10:15:54,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:15:54,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:54,730 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 10:15:55,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:55,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2019-11-20 10:15:55,160 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2019-11-20 10:15:55,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:15:55,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:55,171 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 10:15:55,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2019-11-20 10:15:55,877 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2019-11-20 10:15:55,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:15:55,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:55,886 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 10:15:56,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:56,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2019-11-20 10:15:56,301 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2019-11-20 10:15:56,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:15:56,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:56,311 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 10:15:56,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:56,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2019-11-20 10:15:56,798 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2019-11-20 10:15:56,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:15:56,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:56,809 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 10:15:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:15:57,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 82 transitions. [2019-11-20 10:15:57,179 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2019-11-20 10:15:57,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:15:57,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:15:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:15:57,419 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 10:16:02,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:02,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 61 states and 108 transitions. [2019-11-20 10:16:02,143 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 108 transitions. [2019-11-20 10:16:02,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:16:02,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:02,157 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 10:16:02,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:02,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 62 states and 108 transitions. [2019-11-20 10:16:02,506 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2019-11-20 10:16:02,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:16:02,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:02,515 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 10:16:02,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:02,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 108 transitions. [2019-11-20 10:16:02,887 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2019-11-20 10:16:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:16:02,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:02,898 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 10:16:03,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2019-11-20 10:16:03,351 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2019-11-20 10:16:03,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:16:03,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:03,360 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 10:16:04,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:04,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 84 transitions. [2019-11-20 10:16:04,033 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2019-11-20 10:16:04,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:16:04,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:04,043 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 10:16:04,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:04,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2019-11-20 10:16:04,598 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2019-11-20 10:16:04,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:16:04,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:04,608 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 10:16:05,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:05,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2019-11-20 10:16:05,146 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2019-11-20 10:16:05,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:16:05,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:05,156 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 10:16:05,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 84 transitions. [2019-11-20 10:16:05,632 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 84 transitions. [2019-11-20 10:16:05,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:16:05,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:05,641 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 10:16:06,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:06,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 84 transitions. [2019-11-20 10:16:06,098 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 84 transitions. [2019-11-20 10:16:06,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:16:06,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:06,109 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 10:16:06,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:06,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 53 states and 84 transitions. [2019-11-20 10:16:06,556 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 84 transitions. [2019-11-20 10:16:06,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:16:06,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:06,837 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 10:16:12,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:12,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 64 states and 113 transitions. [2019-11-20 10:16:12,582 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 113 transitions. [2019-11-20 10:16:12,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:16:12,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:12,591 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 10:16:13,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 65 states and 113 transitions. [2019-11-20 10:16:13,068 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 113 transitions. [2019-11-20 10:16:13,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:16:13,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:13,075 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 10:16:13,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 66 states and 113 transitions. [2019-11-20 10:16:13,642 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 113 transitions. [2019-11-20 10:16:13,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:16:13,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:13,654 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 10:16:14,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:14,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2019-11-20 10:16:14,326 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2019-11-20 10:16:14,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:16:14,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:14,333 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 10:16:14,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:14,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2019-11-20 10:16:14,964 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2019-11-20 10:16:14,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:16:14,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:14,973 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 10:16:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:15,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 86 transitions. [2019-11-20 10:16:15,605 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2019-11-20 10:16:15,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:16:15,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:15,613 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 10:16:16,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:16,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2019-11-20 10:16:16,422 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2019-11-20 10:16:16,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:16:16,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:16,432 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 10:16:17,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:17,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 86 transitions. [2019-11-20 10:16:17,076 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2019-11-20 10:16:17,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:16:17,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:17,084 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 10:16:17,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:17,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 86 transitions. [2019-11-20 10:16:17,694 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 86 transitions. [2019-11-20 10:16:17,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:16:17,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:17,701 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 10:16:18,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:18,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 54 states and 86 transitions. [2019-11-20 10:16:18,268 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 86 transitions. [2019-11-20 10:16:18,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:16:18,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:18,593 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 10:16:26,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:26,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 66 states and 118 transitions. [2019-11-20 10:16:26,033 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 118 transitions. [2019-11-20 10:16:26,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:16:26,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:26,043 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 10:16:26,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:26,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 67 states and 118 transitions. [2019-11-20 10:16:26,580 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 118 transitions. [2019-11-20 10:16:26,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:16:26,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:26,590 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 10:16:27,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:27,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 68 states and 118 transitions. [2019-11-20 10:16:27,174 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 118 transitions. [2019-11-20 10:16:27,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:16:27,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:27,184 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 10:16:28,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:28,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 69 states and 118 transitions. [2019-11-20 10:16:28,022 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 118 transitions. [2019-11-20 10:16:28,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:16:28,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:28,031 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 10:16:28,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:28,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2019-11-20 10:16:28,677 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2019-11-20 10:16:28,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:16:28,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:28,684 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 10:16:29,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:29,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2019-11-20 10:16:29,467 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2019-11-20 10:16:29,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:16:29,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:29,474 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 10:16:30,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:30,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2019-11-20 10:16:30,209 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2019-11-20 10:16:30,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:16:30,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:30,219 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 10:16:30,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:30,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2019-11-20 10:16:30,974 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2019-11-20 10:16:30,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:16:30,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:30,982 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 10:16:31,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:31,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2019-11-20 10:16:31,697 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2019-11-20 10:16:31,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:16:31,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:31,706 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 10:16:32,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:32,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 54 states and 88 transitions. [2019-11-20 10:16:32,397 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 88 transitions. [2019-11-20 10:16:32,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:16:32,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:32,405 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 10:16:33,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:33,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 88 transitions. [2019-11-20 10:16:33,039 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2019-11-20 10:16:33,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:16:33,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:33,485 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 10:16:42,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:42,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 68 states and 123 transitions. [2019-11-20 10:16:42,899 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 123 transitions. [2019-11-20 10:16:42,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:16:42,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:42,907 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 10:16:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:43,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 69 states and 123 transitions. [2019-11-20 10:16:43,498 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 123 transitions. [2019-11-20 10:16:43,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:16:43,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:43,506 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 10:16:44,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:44,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 70 states and 123 transitions. [2019-11-20 10:16:44,112 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 123 transitions. [2019-11-20 10:16:44,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:16:44,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:44,120 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 10:16:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:44,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 123 transitions. [2019-11-20 10:16:44,771 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 123 transitions. [2019-11-20 10:16:44,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:16:44,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:44,778 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 10:16:45,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:45,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 72 states and 123 transitions. [2019-11-20 10:16:45,470 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2019-11-20 10:16:45,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:16:45,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:45,476 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 10:16:46,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:46,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 73 states and 123 transitions. [2019-11-20 10:16:46,282 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 123 transitions. [2019-11-20 10:16:46,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:16:46,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:46,289 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 10:16:47,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 90 transitions. [2019-11-20 10:16:47,199 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2019-11-20 10:16:47,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:16:47,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:47,206 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 10:16:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:48,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 90 transitions. [2019-11-20 10:16:48,070 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2019-11-20 10:16:48,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:16:48,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:48,078 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 10:16:48,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 53 states and 90 transitions. [2019-11-20 10:16:48,918 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 90 transitions. [2019-11-20 10:16:48,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:16:48,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:48,926 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 10:16:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:50,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 54 states and 90 transitions. [2019-11-20 10:16:50,012 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 90 transitions. [2019-11-20 10:16:50,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:16:50,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:50,019 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 10:16:50,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:50,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 55 states and 90 transitions. [2019-11-20 10:16:50,789 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 90 transitions. [2019-11-20 10:16:50,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:16:50,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:50,798 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 10:16:51,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:51,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 56 states and 90 transitions. [2019-11-20 10:16:51,536 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 90 transitions. [2019-11-20 10:16:51,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:16:51,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:51,544 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 10:16:52,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:16:52,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2019-11-20 10:16:52,277 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2019-11-20 10:16:52,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:16:52,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:16:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:16:52,830 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 10:17:04,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:04,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 71 states and 128 transitions. [2019-11-20 10:17:04,698 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 128 transitions. [2019-11-20 10:17:04,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:17:04,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:04,706 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 10:17:05,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:05,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 72 states and 128 transitions. [2019-11-20 10:17:05,419 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 128 transitions. [2019-11-20 10:17:05,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:17:05,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:05,427 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 10:17:06,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:06,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 73 states and 128 transitions. [2019-11-20 10:17:06,221 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 128 transitions. [2019-11-20 10:17:06,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:17:06,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:06,234 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 10:17:07,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:07,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 74 states and 128 transitions. [2019-11-20 10:17:07,007 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 128 transitions. [2019-11-20 10:17:07,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:17:07,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:07,014 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 10:17:07,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 75 states and 128 transitions. [2019-11-20 10:17:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 128 transitions. [2019-11-20 10:17:07,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:17:07,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:07,849 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 10:17:08,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:08,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 76 states and 128 transitions. [2019-11-20 10:17:08,799 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 128 transitions. [2019-11-20 10:17:08,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:17:08,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:08,806 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 10:17:09,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:09,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2019-11-20 10:17:09,818 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2019-11-20 10:17:09,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:17:09,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:09,824 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 10:17:10,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:10,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 92 transitions. [2019-11-20 10:17:10,844 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2019-11-20 10:17:10,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:17:10,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:10,851 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 10:17:11,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:11,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2019-11-20 10:17:11,851 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2019-11-20 10:17:11,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:17:11,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:11,860 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 10:17:12,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:12,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2019-11-20 10:17:12,810 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2019-11-20 10:17:12,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:17:12,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:12,817 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 10:17:13,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:13,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 56 states and 92 transitions. [2019-11-20 10:17:13,789 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2019-11-20 10:17:13,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:17:13,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:13,796 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 10:17:14,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:14,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 92 transitions. [2019-11-20 10:17:14,716 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2019-11-20 10:17:14,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:17:14,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:14,722 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 10:17:15,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2019-11-20 10:17:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2019-11-20 10:17:15,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:17:15,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:15,529 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 10:17:16,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:16,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 59 states and 92 transitions. [2019-11-20 10:17:16,348 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 92 transitions. [2019-11-20 10:17:16,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:17:16,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:16,960 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 10:17:31,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:31,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 74 states and 133 transitions. [2019-11-20 10:17:31,996 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 133 transitions. [2019-11-20 10:17:31,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:17:31,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:32,005 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 10:17:32,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:32,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 75 states and 133 transitions. [2019-11-20 10:17:32,905 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 133 transitions. [2019-11-20 10:17:32,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:17:32,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:32,912 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 10:17:33,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 76 states and 133 transitions. [2019-11-20 10:17:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 133 transitions. [2019-11-20 10:17:33,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:17:33,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:33,894 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 10:17:34,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:34,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 77 states and 133 transitions. [2019-11-20 10:17:34,900 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 133 transitions. [2019-11-20 10:17:34,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:17:34,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:34,907 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 10:17:36,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:36,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 78 states and 133 transitions. [2019-11-20 10:17:36,311 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2019-11-20 10:17:36,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:17:36,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:36,320 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 10:17:37,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:37,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 79 states and 133 transitions. [2019-11-20 10:17:37,442 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 133 transitions. [2019-11-20 10:17:37,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:17:37,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:37,449 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 10:17:38,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:38,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2019-11-20 10:17:38,651 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2019-11-20 10:17:38,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:17:38,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:38,658 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 10:17:39,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:39,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2019-11-20 10:17:39,859 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2019-11-20 10:17:39,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:17:39,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:39,868 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 10:17:41,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:41,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2019-11-20 10:17:41,030 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2019-11-20 10:17:41,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:17:41,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:41,038 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 10:17:42,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:42,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2019-11-20 10:17:42,282 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2019-11-20 10:17:42,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:17:42,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:42,290 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 10:17:43,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:43,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2019-11-20 10:17:43,395 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2019-11-20 10:17:43,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:17:43,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:43,401 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 10:17:44,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:44,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2019-11-20 10:17:44,413 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2019-11-20 10:17:44,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:17:44,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:44,421 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 10:17:45,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:45,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2019-11-20 10:17:45,383 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2019-11-20 10:17:45,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:17:45,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:45,390 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 10:17:46,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:46,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 60 states and 94 transitions. [2019-11-20 10:17:46,359 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 94 transitions. [2019-11-20 10:17:46,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:17:46,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:46,368 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 10:17:47,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:47,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 61 states and 94 transitions. [2019-11-20 10:17:47,346 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 94 transitions. [2019-11-20 10:17:47,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:17:47,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:47,354 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 10:17:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:48,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 62 states and 94 transitions. [2019-11-20 10:17:48,896 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 94 transitions. [2019-11-20 10:17:48,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:17:48,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:48,903 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 10:17:50,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:50,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 63 states and 94 transitions. [2019-11-20 10:17:50,631 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2019-11-20 10:17:50,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:17:50,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:50,637 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 10:17:51,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:51,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 64 states and 94 transitions. [2019-11-20 10:17:51,689 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2019-11-20 10:17:51,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:17:51,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:51,695 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 10:17:52,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 65 states and 94 transitions. [2019-11-20 10:17:52,787 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 94 transitions. [2019-11-20 10:17:52,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:17:52,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:52,795 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 10:17:54,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2019-11-20 10:17:54,001 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2019-11-20 10:17:54,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:17:54,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:17:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:54,008 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 10:17:55,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:17:55,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 36 states and 51 transitions. [2019-11-20 10:17:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2019-11-20 10:17:55,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:17:55,372 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 121 iterations. [2019-11-20 10:17:55,380 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 10:17:56,166 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:17:56,169 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:17:56,170 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:17:56,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 10:17:56 ImpRootNode [2019-11-20 10:17:56,170 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 10:17:56,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:17:56,170 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:17:56,171 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:17:56,171 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:15:35" (3/4) ... [2019-11-20 10:17:56,173 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:17:56,183 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2019-11-20 10:17:56,183 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 10:17:56,184 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:17:56,259 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_99662e27-c3b7-4fa1-9ee7-cacc9cc34bda/bin/ukojak/witness.graphml [2019-11-20 10:17:56,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:17:56,262 INFO L168 Benchmark]: Toolchain (without parser) took 142267.00 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 944.7 MB in the beginning and 970.1 MB in the end (delta: -25.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2019-11-20 10:17:56,262 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:17:56,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:17:56,263 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:17:56,263 INFO L168 Benchmark]: Boogie Preprocessor took 24.71 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:17:56,264 INFO L168 Benchmark]: RCFGBuilder took 682.17 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: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:17:56,264 INFO L168 Benchmark]: CodeCheck took 141069.73 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 980.5 MB in the end (delta: 88.3 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2019-11-20 10:17:56,264 INFO L168 Benchmark]: Witness Printer took 89.60 ms. Allocated memory is still 2.5 GB. Free memory was 980.5 MB in the beginning and 970.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:17:56,267 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 38 locations, 1 error locations. Result: SAFE, OverallTime: 140.2s, OverallIterations: 121, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -478183428 SDslu, 0 SDs, 0 SdLazy, -826343432 SolverSat, -528515076 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 114.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20706 GetRequests, 19806 SyntacticMatches, 0 SemanticMatches, 900 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403324 ImplicationChecksByTransitivity, 135.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1945 NumberOfCodeBlocks, 1945 NumberOfCodeBlocksAsserted, 120 NumberOfCheckSat, 1825 ConstructedInterpolants, 0 QuantifiedInterpolants, 165825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 120 InterpolantComputations, 120 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 231]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.71 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 682.17 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: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. * CodeCheck took 141069.73 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 980.5 MB in the end (delta: 88.3 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 89.60 ms. Allocated memory is still 2.5 GB. Free memory was 980.5 MB in the beginning and 970.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...