./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_a793a48c-f8b3-449e-bac9-9f0f3e51a130/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a793a48c-f8b3-449e-bac9-9f0f3e51a130/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a793a48c-f8b3-449e-bac9-9f0f3e51a130/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a793a48c-f8b3-449e-bac9-9f0f3e51a130/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a793a48c-f8b3-449e-bac9-9f0f3e51a130/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a793a48c-f8b3-449e-bac9-9f0f3e51a130/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a2c46755d0cb80f6b2e7b990e0a1bd9a49737b84 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:49:22,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:49:22,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:49:22,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:49:22,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:49:22,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:49:22,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:49:22,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:49:22,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:49:22,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:49:22,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:49:22,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:49:22,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:49:22,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:49:22,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:49:22,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:49:22,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:49:22,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:49:22,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:49:22,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:49:22,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:49:22,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:49:22,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:49:22,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:49:22,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:49:22,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:49:22,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:49:22,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:49:22,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:49:22,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:49:22,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:49:22,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:49:22,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:49:22,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:49:22,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:49:22,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:49:22,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:49:22,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:49:22,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:49:22,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:49:23,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:49:23,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a793a48c-f8b3-449e-bac9-9f0f3e51a130/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2019-11-19 22:49:23,018 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:49:23,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:49:23,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 22:49:23,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 22:49:23,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:49:23,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:49:23,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:49:23,020 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:49:23,021 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:49:23,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:49:23,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:49:23,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:49:23,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:49:23,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:49:23,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:49:23,022 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-19 22:49:23,022 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:49:23,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:49:23,022 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:49:23,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:49:23,022 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 22:49:23,023 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 22:49:23,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:49:23,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:49:23,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:49:23,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:49:23,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:49:23,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:49:23,024 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 22:49:23,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:49:23,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:49:23,024 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_a793a48c-f8b3-449e-bac9-9f0f3e51a130/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 ! overflow) ) 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 -> a2c46755d0cb80f6b2e7b990e0a1bd9a49737b84 [2019-11-19 22:49:23,160 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:49:23,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:49:23,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:49:23,175 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:49:23,175 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:49:23,176 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a793a48c-f8b3-449e-bac9-9f0f3e51a130/bin/ukojak/../../sv-benchmarks/c/bitvector/byte_add-1.i [2019-11-19 22:49:23,225 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a793a48c-f8b3-449e-bac9-9f0f3e51a130/bin/ukojak/data/6d8b4300e/80553b42034d48f999c14be5ebbdc807/FLAG5837f491f [2019-11-19 22:49:23,632 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:49:23,633 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a793a48c-f8b3-449e-bac9-9f0f3e51a130/sv-benchmarks/c/bitvector/byte_add-1.i [2019-11-19 22:49:23,640 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a793a48c-f8b3-449e-bac9-9f0f3e51a130/bin/ukojak/data/6d8b4300e/80553b42034d48f999c14be5ebbdc807/FLAG5837f491f [2019-11-19 22:49:23,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a793a48c-f8b3-449e-bac9-9f0f3e51a130/bin/ukojak/data/6d8b4300e/80553b42034d48f999c14be5ebbdc807 [2019-11-19 22:49:23,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:49:23,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:49:23,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:49:23,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:49:23,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:49:23,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:49:23" (1/1) ... [2019-11-19 22:49:23,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357f2bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:23, skipping insertion in model container [2019-11-19 22:49:23,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:49:23" (1/1) ... [2019-11-19 22:49:23,667 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:49:23,690 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:49:23,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:49:23,985 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:49:24,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:49:24,057 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:49:24,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:24 WrapperNode [2019-11-19 22:49:24,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:49:24,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:49:24,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:49:24,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:49:24,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:24" (1/1) ... [2019-11-19 22:49:24,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:24" (1/1) ... [2019-11-19 22:49:24,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:49:24,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:49:24,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:49:24,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:49:24,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:24" (1/1) ... [2019-11-19 22:49:24,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:24" (1/1) ... [2019-11-19 22:49:24,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:24" (1/1) ... [2019-11-19 22:49:24,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:24" (1/1) ... [2019-11-19 22:49:24,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:24" (1/1) ... [2019-11-19 22:49:24,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:24" (1/1) ... [2019-11-19 22:49:24,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:24" (1/1) ... [2019-11-19 22:49:24,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:49:24,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:49:24,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:49:24,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:49:24,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a793a48c-f8b3-449e-bac9-9f0f3e51a130/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 [2019-11-19 22:49:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:49:24,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:49:24,845 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:49:24,845 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-19 22:49:24,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:49:24 BoogieIcfgContainer [2019-11-19 22:49:24,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:49:24,846 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 22:49:24,847 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 22:49:24,856 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 22:49:24,857 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:49:24" (1/1) ... [2019-11-19 22:49:24,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:49:24,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:24,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2019-11-19 22:49:24,899 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2019-11-19 22:49:24,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-19 22:49:24,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2019-11-19 22:49:25,016 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2019-11-19 22:49:25,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-19 22:49:25,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2019-11-19 22:49:25,039 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2019-11-19 22:49:25,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 22:49:25,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2019-11-19 22:49:25,061 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2019-11-19 22:49:25,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-19 22:49:25,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2019-11-19 22:49:25,084 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2019-11-19 22:49:25,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-19 22:49:25,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2019-11-19 22:49:25,106 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2019-11-19 22:49:25,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-19 22:49:25,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2019-11-19 22:49:25,136 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2019-11-19 22:49:25,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 22:49:25,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2019-11-19 22:49:25,179 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2019-11-19 22:49:25,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 22:49:25,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2019-11-19 22:49:25,231 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2019-11-19 22:49:25,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 22:49:25,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2019-11-19 22:49:25,252 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2019-11-19 22:49:25,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 22:49:25,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2019-11-19 22:49:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2019-11-19 22:49:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 22:49:25,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2019-11-19 22:49:25,320 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2019-11-19 22:49:25,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 22:49:25,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2019-11-19 22:49:25,341 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2019-11-19 22:49:25,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 22:49:25,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2019-11-19 22:49:25,365 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2019-11-19 22:49:25,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 22:49:25,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2019-11-19 22:49:25,383 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2019-11-19 22:49:25,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 22:49:25,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2019-11-19 22:49:25,403 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2019-11-19 22:49:25,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 22:49:25,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2019-11-19 22:49:25,446 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2019-11-19 22:49:25,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 22:49:25,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2019-11-19 22:49:25,486 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2019-11-19 22:49:25,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 22:49:25,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2019-11-19 22:49:25,513 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2019-11-19 22:49:25,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 22:49:25,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2019-11-19 22:49:25,533 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2019-11-19 22:49:25,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 22:49:25,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2019-11-19 22:49:25,549 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2019-11-19 22:49:25,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 22:49:25,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2019-11-19 22:49:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2019-11-19 22:49:25,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 22:49:25,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2019-11-19 22:49:25,576 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2019-11-19 22:49:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 22:49:25,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2019-11-19 22:49:25,592 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2019-11-19 22:49:25,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 22:49:25,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2019-11-19 22:49:25,606 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2019-11-19 22:49:25,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 22:49:25,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2019-11-19 22:49:25,620 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2019-11-19 22:49:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 22:49:25,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2019-11-19 22:49:25,645 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2019-11-19 22:49:25,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 22:49:25,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2019-11-19 22:49:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2019-11-19 22:49:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 22:49:25,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2019-11-19 22:49:25,691 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2019-11-19 22:49:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 22:49:25,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2019-11-19 22:49:25,719 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2019-11-19 22:49:25,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 22:49:25,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2019-11-19 22:49:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2019-11-19 22:49:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 22:49:25,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2019-11-19 22:49:25,755 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2019-11-19 22:49:25,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 22:49:25,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2019-11-19 22:49:25,782 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2019-11-19 22:49:25,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 22:49:25,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2019-11-19 22:49:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2019-11-19 22:49:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 22:49:25,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2019-11-19 22:49:25,804 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2019-11-19 22:49:25,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 22:49:25,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2019-11-19 22:49:25,819 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-11-19 22:49:25,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-19 22:49:25,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:25,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:25,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2019-11-19 22:49:25,844 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2019-11-19 22:49:25,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:49:25,844 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2019-11-19 22:49:25,859 INFO L765 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2019-11-19 22:49:25,912 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:49:25,917 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:49:25,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 10:49:25 ImpRootNode [2019-11-19 22:49:25,917 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 22:49:25,918 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:49:25,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:49:25,918 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:49:25,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:49:24" (3/4) ... [2019-11-19 22:49:25,922 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:49:25,936 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2019-11-19 22:49:25,936 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-19 22:49:25,937 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 22:49:26,001 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a793a48c-f8b3-449e-bac9-9f0f3e51a130/bin/ukojak/witness.graphml [2019-11-19 22:49:26,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:49:26,003 INFO L168 Benchmark]: Toolchain (without parser) took 2349.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.5 MB in the beginning and 980.0 MB in the end (delta: -28.5 MB). Peak memory consumption was 115.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:26,003 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:49:26,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -180.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:26,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.59 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. [2019-11-19 22:49:26,004 INFO L168 Benchmark]: Boogie Preprocessor took 26.21 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. [2019-11-19 22:49:26,005 INFO L168 Benchmark]: RCFGBuilder took 704.12 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: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:26,005 INFO L168 Benchmark]: CodeCheck took 1070.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.0 MB in the end (delta: 93.0 MB). Peak memory consumption was 93.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:26,005 INFO L168 Benchmark]: Witness Printer took 83.76 ms. Allocated memory is still 1.2 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:49:26,007 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, 95 locations, 36 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 37, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1471473888 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2510 GetRequests, 2510 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 2974 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 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: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -180.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.59 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 26.21 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. * RCFGBuilder took 704.12 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: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. * CodeCheck took 1070.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.0 MB in the end (delta: 93.0 MB). Peak memory consumption was 93.0 MB. Max. memory is 11.5 GB. * Witness Printer took 83.76 ms. Allocated memory is still 1.2 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...