./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f73d4a8d-67b0-4b81-99c4-4f63421d663e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f73d4a8d-67b0-4b81-99c4-4f63421d663e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f73d4a8d-67b0-4b81-99c4-4f63421d663e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f73d4a8d-67b0-4b81-99c4-4f63421d663e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f73d4a8d-67b0-4b81-99c4-4f63421d663e/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f73d4a8d-67b0-4b81-99c4-4f63421d663e/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 64bit --witnessprinter.graph.data.programhash d28857c86a3c83fc75b1b8cf8125f1c52a370911 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 20:44:53,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 20:44:53,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 20:44:53,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 20:44:53,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 20:44:53,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 20:44:53,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 20:44:53,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 20:44:53,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 20:44:54,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 20:44:54,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 20:44:54,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 20:44:54,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 20:44:54,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 20:44:54,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 20:44:54,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 20:44:54,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 20:44:54,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 20:44:54,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 20:44:54,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 20:44:54,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 20:44:54,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 20:44:54,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 20:44:54,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 20:44:54,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 20:44:54,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 20:44:54,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 20:44:54,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 20:44:54,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 20:44:54,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 20:44:54,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 20:44:54,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 20:44:54,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 20:44:54,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 20:44:54,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 20:44:54,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 20:44:54,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 20:44:54,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 20:44:54,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 20:44:54,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 20:44:54,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 20:44:54,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f73d4a8d-67b0-4b81-99c4-4f63421d663e/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-12-01 20:44:54,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 20:44:54,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 20:44:54,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 20:44:54,034 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 20:44:54,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 20:44:54,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 20:44:54,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 20:44:54,035 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 20:44:54,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 20:44:54,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 20:44:54,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 20:44:54,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 20:44:54,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 20:44:54,036 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-01 20:44:54,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 20:44:54,036 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 20:44:54,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 20:44:54,037 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 20:44:54,037 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 20:44:54,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 20:44:54,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 20:44:54,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 20:44:54,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 20:44:54,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 20:44:54,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 20:44:54,038 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 20:44:54,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 20:44:54,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 20:44:54,039 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_f73d4a8d-67b0-4b81-99c4-4f63421d663e/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d28857c86a3c83fc75b1b8cf8125f1c52a370911 [2019-12-01 20:44:54,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 20:44:54,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 20:44:54,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 20:44:54,149 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 20:44:54,149 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 20:44:54,149 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f73d4a8d-67b0-4b81-99c4-4f63421d663e/bin/ukojak/../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2019-12-01 20:44:54,187 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f73d4a8d-67b0-4b81-99c4-4f63421d663e/bin/ukojak/data/539fbb68f/c22db7b2c5b5453e845e2bf72381c9eb/FLAGe1b91c7e3 [2019-12-01 20:44:54,607 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 20:44:54,608 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f73d4a8d-67b0-4b81-99c4-4f63421d663e/sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2019-12-01 20:44:54,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f73d4a8d-67b0-4b81-99c4-4f63421d663e/bin/ukojak/data/539fbb68f/c22db7b2c5b5453e845e2bf72381c9eb/FLAGe1b91c7e3 [2019-12-01 20:44:54,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f73d4a8d-67b0-4b81-99c4-4f63421d663e/bin/ukojak/data/539fbb68f/c22db7b2c5b5453e845e2bf72381c9eb [2019-12-01 20:44:54,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 20:44:54,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 20:44:54,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 20:44:54,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 20:44:54,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 20:44:54,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:44:54" (1/1) ... [2019-12-01 20:44:54,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c2a685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:44:54, skipping insertion in model container [2019-12-01 20:44:54,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:44:54" (1/1) ... [2019-12-01 20:44:54,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 20:44:54,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 20:44:54,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 20:44:54,741 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 20:44:54,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 20:44:54,789 INFO L208 MainTranslator]: Completed translation [2019-12-01 20:44:54,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:44:54 WrapperNode [2019-12-01 20:44:54,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 20:44:54,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 20:44:54,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 20:44:54,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 20:44:54,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:44:54" (1/1) ... [2019-12-01 20:44:54,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:44:54" (1/1) ... [2019-12-01 20:44:54,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 20:44:54,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 20:44:54,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 20:44:54,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 20:44:54,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:44:54" (1/1) ... [2019-12-01 20:44:54,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:44:54" (1/1) ... [2019-12-01 20:44:54,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:44:54" (1/1) ... [2019-12-01 20:44:54,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:44:54" (1/1) ... [2019-12-01 20:44:54,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:44:54" (1/1) ... [2019-12-01 20:44:54,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:44:54" (1/1) ... [2019-12-01 20:44:54,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:44:54" (1/1) ... [2019-12-01 20:44:54,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 20:44:54,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 20:44:54,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 20:44:54,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 20:44:54,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:44:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f73d4a8d-67b0-4b81-99c4-4f63421d663e/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 [2019-12-01 20:44:54,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 20:44:54,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 20:44:54,980 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 20:44:54,981 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 20:44:54,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:44:54 BoogieIcfgContainer [2019-12-01 20:44:54,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 20:44:54,982 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 20:44:54,982 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 20:44:54,989 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 20:44:54,989 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:44:54" (1/1) ... [2019-12-01 20:44:54,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 20:44:55,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:44:55,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-12-01 20:44:55,017 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-12-01 20:44:55,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 20:44:55,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:44:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:44:55,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:44:55,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:44:55,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2019-12-01 20:44:55,162 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-12-01 20:44:55,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 20:44:55,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:44:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:44:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:44:55,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:44:55,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2019-12-01 20:44:55,213 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-12-01 20:44:55,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 20:44:55,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:44:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:44:55,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:44:55,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:44:55,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2019-12-01 20:44:55,413 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2019-12-01 20:44:55,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 20:44:55,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:44:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:44:55,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:44:55,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:44:55,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2019-12-01 20:44:55,705 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2019-12-01 20:44:55,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 20:44:55,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:44:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:44:55,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:44:56,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:44:56,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2019-12-01 20:44:56,085 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2019-12-01 20:44:56,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 20:44:56,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:44:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:44:56,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:44:56,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:44:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2019-12-01 20:44:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2019-12-01 20:44:56,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 20:44:56,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:44:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:44:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:44:57,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:44:57,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2019-12-01 20:44:57,011 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2019-12-01 20:44:57,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 20:44:57,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:44:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:44:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:44:57,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:44:57,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2019-12-01 20:44:57,588 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2019-12-01 20:44:57,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 20:44:57,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:44:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:44:57,734 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:44:58,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:44:58,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2019-12-01 20:44:58,309 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2019-12-01 20:44:58,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 20:44:58,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:44:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:44:58,411 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:44:59,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:44:59,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2019-12-01 20:44:59,067 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2019-12-01 20:44:59,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 20:44:59,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:44:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:44:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:44:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:44:59,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2019-12-01 20:44:59,985 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2019-12-01 20:44:59,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 20:44:59,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:44:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:00,094 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:00,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 60 states and 91 transitions. [2019-12-01 20:45:00,897 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 91 transitions. [2019-12-01 20:45:00,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 20:45:00,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:01,093 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:02,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:02,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 65 states and 96 transitions. [2019-12-01 20:45:02,386 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 96 transitions. [2019-12-01 20:45:02,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 20:45:02,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:02,506 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:03,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:03,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 70 states and 106 transitions. [2019-12-01 20:45:03,409 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2019-12-01 20:45:03,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 20:45:03,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:03,650 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:04,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:04,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 75 states and 111 transitions. [2019-12-01 20:45:04,701 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2019-12-01 20:45:04,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 20:45:04,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:04,833 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:05,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:05,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 80 states and 121 transitions. [2019-12-01 20:45:05,885 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 121 transitions. [2019-12-01 20:45:05,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 20:45:05,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:06,156 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:07,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:07,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 85 states and 126 transitions. [2019-12-01 20:45:07,331 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 126 transitions. [2019-12-01 20:45:07,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 20:45:07,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:07,478 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:08,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:08,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 90 states and 136 transitions. [2019-12-01 20:45:08,659 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 136 transitions. [2019-12-01 20:45:08,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 20:45:08,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:08,979 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:10,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 95 states and 141 transitions. [2019-12-01 20:45:10,285 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2019-12-01 20:45:10,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 20:45:10,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:10,482 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:11,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:11,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 100 states and 151 transitions. [2019-12-01 20:45:11,818 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 151 transitions. [2019-12-01 20:45:11,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 20:45:11,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:12,161 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:13,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:13,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 105 states and 156 transitions. [2019-12-01 20:45:13,626 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 156 transitions. [2019-12-01 20:45:13,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 20:45:13,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:13,810 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:15,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:15,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 110 states and 166 transitions. [2019-12-01 20:45:15,268 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 166 transitions. [2019-12-01 20:45:15,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 20:45:15,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:15,631 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:17,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:17,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 115 states and 171 transitions. [2019-12-01 20:45:17,356 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2019-12-01 20:45:17,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 20:45:17,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:17,570 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:19,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:19,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 120 states and 181 transitions. [2019-12-01 20:45:19,227 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 181 transitions. [2019-12-01 20:45:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 20:45:19,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:19,633 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:21,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 125 states and 186 transitions. [2019-12-01 20:45:21,432 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 186 transitions. [2019-12-01 20:45:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 20:45:21,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:23,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:23,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 130 states and 196 transitions. [2019-12-01 20:45:23,498 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 196 transitions. [2019-12-01 20:45:23,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 20:45:23,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:23,917 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 354 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:27,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:27,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 135 states and 201 transitions. [2019-12-01 20:45:27,515 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 201 transitions. [2019-12-01 20:45:27,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 20:45:27,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:27,769 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:29,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:29,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 140 states and 211 transitions. [2019-12-01 20:45:29,658 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 211 transitions. [2019-12-01 20:45:29,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 20:45:29,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:30,125 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:32,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:32,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 145 states and 216 transitions. [2019-12-01 20:45:32,257 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 216 transitions. [2019-12-01 20:45:32,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-01 20:45:32,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:32,524 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:34,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:34,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 150 states and 226 transitions. [2019-12-01 20:45:34,606 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 226 transitions. [2019-12-01 20:45:34,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-01 20:45:34,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 483 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:39,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:39,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 155 states and 231 transitions. [2019-12-01 20:45:39,180 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 231 transitions. [2019-12-01 20:45:39,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 20:45:39,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:41,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:41,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 160 states and 241 transitions. [2019-12-01 20:45:41,697 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 241 transitions. [2019-12-01 20:45:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 20:45:41,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:42,266 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 555 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 165 states and 246 transitions. [2019-12-01 20:45:45,144 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 246 transitions. [2019-12-01 20:45:45,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 20:45:45,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:45,463 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:47,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:47,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 170 states and 256 transitions. [2019-12-01 20:45:47,816 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 256 transitions. [2019-12-01 20:45:47,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-01 20:45:47,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:48,376 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:51,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:51,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 175 states and 261 transitions. [2019-12-01 20:45:51,066 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 261 transitions. [2019-12-01 20:45:51,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-01 20:45:51,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:54,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:54,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 180 states and 271 transitions. [2019-12-01 20:45:54,177 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 271 transitions. [2019-12-01 20:45:54,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-12-01 20:45:54,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:45:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:45:54,775 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 714 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:45:59,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:45:59,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 185 states and 276 transitions. [2019-12-01 20:45:59,996 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2019-12-01 20:45:59,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 20:45:59,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:46:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:46:00,330 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:46:03,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:46:03,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 190 states and 286 transitions. [2019-12-01 20:46:03,023 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 286 transitions. [2019-12-01 20:46:03,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-01 20:46:03,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:46:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:46:03,713 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 801 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:46:07,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:46:07,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 195 states and 291 transitions. [2019-12-01 20:46:07,595 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 291 transitions. [2019-12-01 20:46:07,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-12-01 20:46:07,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:46:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:46:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:46:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:46:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 200 states and 301 transitions. [2019-12-01 20:46:11,343 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 301 transitions. [2019-12-01 20:46:11,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-12-01 20:46:11,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:46:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:46:12,016 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 893 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:46:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:46:15,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 205 states and 306 transitions. [2019-12-01 20:46:15,080 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 306 transitions. [2019-12-01 20:46:15,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-12-01 20:46:15,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:46:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:46:15,478 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:46:18,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:46:18,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 210 states and 316 transitions. [2019-12-01 20:46:18,412 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 316 transitions. [2019-12-01 20:46:18,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 20:46:18,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:46:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:46:19,119 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 990 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:46:22,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:46:22,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 215 states and 321 transitions. [2019-12-01 20:46:22,525 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 321 transitions. [2019-12-01 20:46:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-12-01 20:46:22,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:46:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:46:22,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:46:26,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:46:26,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 220 states and 331 transitions. [2019-12-01 20:46:26,554 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2019-12-01 20:46:26,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 20:46:26,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:46:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:46:27,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 1092 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:46:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:46:31,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 225 states and 336 transitions. [2019-12-01 20:46:31,302 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 336 transitions. [2019-12-01 20:46:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-12-01 20:46:31,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:46:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:46:31,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 0 proven. 1134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:46:35,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:46:35,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 230 states and 346 transitions. [2019-12-01 20:46:35,008 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 346 transitions. [2019-12-01 20:46:35,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-12-01 20:46:35,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:46:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:46:36,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 1199 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:46:42,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:46:42,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 235 states and 351 transitions. [2019-12-01 20:46:42,143 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 351 transitions. [2019-12-01 20:46:42,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-12-01 20:46:42,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:46:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:46:42,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 1243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:46:48,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:46:48,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 240 states and 361 transitions. [2019-12-01 20:46:48,456 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 361 transitions. [2019-12-01 20:46:48,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-12-01 20:46:48,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:46:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:46:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 1311 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:46:53,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:46:53,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 245 states and 366 transitions. [2019-12-01 20:46:53,982 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 366 transitions. [2019-12-01 20:46:53,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-12-01 20:46:53,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:46:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:46:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 0 proven. 1357 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:46:58,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:46:58,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 250 states and 376 transitions. [2019-12-01 20:46:58,019 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 376 transitions. [2019-12-01 20:46:58,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-01 20:46:58,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:46:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:46:58,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1428 backedges. 1428 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:47:03,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:47:03,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 255 states and 381 transitions. [2019-12-01 20:47:03,034 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 381 transitions. [2019-12-01 20:47:03,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-12-01 20:47:03,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:47:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:47:03,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1476 backedges. 0 proven. 1476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:47:07,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:47:07,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 260 states and 391 transitions. [2019-12-01 20:47:07,235 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 391 transitions. [2019-12-01 20:47:07,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-12-01 20:47:07,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:47:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:47:08,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 1550 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:47:13,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:47:13,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 265 states and 396 transitions. [2019-12-01 20:47:13,936 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 396 transitions. [2019-12-01 20:47:13,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-12-01 20:47:13,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:47:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:47:14,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 1600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:47:18,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:47:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 270 states and 406 transitions. [2019-12-01 20:47:18,347 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 406 transitions. [2019-12-01 20:47:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-12-01 20:47:18,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:47:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:47:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 1677 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:47:24,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:47:24,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 275 states and 411 transitions. [2019-12-01 20:47:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 411 transitions. [2019-12-01 20:47:24,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 20:47:24,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:47:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:47:25,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:47:29,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:47:29,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 280 states and 421 transitions. [2019-12-01 20:47:29,510 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 421 transitions. [2019-12-01 20:47:29,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 20:47:29,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:47:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:47:30,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1809 backedges. 1809 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:47:35,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:47:35,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 285 states and 426 transitions. [2019-12-01 20:47:35,007 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 426 transitions. [2019-12-01 20:47:35,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-12-01 20:47:35,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:47:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:47:35,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 0 proven. 1863 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:47:41,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:47:41,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 290 states and 436 transitions. [2019-12-01 20:47:41,049 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 436 transitions. [2019-12-01 20:47:41,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-01 20:47:41,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:47:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:47:42,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1946 backedges. 1946 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:47:47,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:47:47,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 295 states and 441 transitions. [2019-12-01 20:47:47,353 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 441 transitions. [2019-12-01 20:47:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 20:47:47,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:47:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:47:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:47:52,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:47:52,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 300 states and 451 transitions. [2019-12-01 20:47:52,235 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 451 transitions. [2019-12-01 20:47:52,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-01 20:47:52,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:47:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:47:53,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2088 backedges. 2088 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:47:59,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:47:59,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 305 states and 456 transitions. [2019-12-01 20:47:59,950 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 456 transitions. [2019-12-01 20:47:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-12-01 20:47:59,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:47:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:48:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 0 proven. 2146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:48:05,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:48:05,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 310 states and 466 transitions. [2019-12-01 20:48:05,015 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 466 transitions. [2019-12-01 20:48:05,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-12-01 20:48:05,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:48:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:48:05,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2235 backedges. 2235 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:48:14,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:48:14,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 315 states and 471 transitions. [2019-12-01 20:48:14,018 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 471 transitions. [2019-12-01 20:48:14,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-12-01 20:48:14,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:48:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:49:18,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2295 backedges. 1 proven. 2294 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:50:16,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:50:16,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 153 states and 182 transitions. [2019-12-01 20:50:16,258 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 182 transitions. [2019-12-01 20:50:16,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 20:50:16,259 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 65 iterations. [2019-12-01 20:50:16,265 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2019-12-01 20:50:16,404 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-12-01 20:50:16,538 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-12-01 20:50:16,716 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-12-01 20:50:16,877 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-12-01 20:50:16,998 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-12-01 20:50:16,998 INFO L569 CodeCheckObserver]: Invariant with dag size 184 [2019-12-01 20:50:17,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 08:50:17 ImpRootNode [2019-12-01 20:50:17,013 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 20:50:17,013 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 20:50:17,013 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 20:50:17,014 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 20:50:17,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:44:54" (3/4) ... [2019-12-01 20:50:17,016 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 20:50:17,022 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-01 20:50:17,022 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-01 20:50:17,022 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 20:50:17,050 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f73d4a8d-67b0-4b81-99c4-4f63421d663e/bin/ukojak/witness.graphml [2019-12-01 20:50:17,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 20:50:17,051 INFO L168 Benchmark]: Toolchain (without parser) took 322428.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.8 MB in the beginning and 749.0 MB in the end (delta: 195.8 MB). Peak memory consumption was 341.6 MB. Max. memory is 11.5 GB. [2019-12-01 20:50:17,052 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 20:50:17,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-01 20:50:17,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.57 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. [2019-12-01 20:50:17,053 INFO L168 Benchmark]: Boogie Preprocessor took 11.81 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. [2019-12-01 20:50:17,053 INFO L168 Benchmark]: RCFGBuilder took 158.85 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-01 20:50:17,053 INFO L168 Benchmark]: CodeCheck took 322031.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 23.1 MB). Free memory was 1.1 GB in the beginning and 751.0 MB in the end (delta: 349.4 MB). Peak memory consumption was 566.3 MB. Max. memory is 11.5 GB. [2019-12-01 20:50:17,054 INFO L168 Benchmark]: Witness Printer took 37.09 ms. Allocated memory is still 1.2 GB. Free memory was 751.0 MB in the beginning and 749.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-12-01 20:50:17,055 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, 11 locations, 4 error locations. Result: SAFE, OverallTime: 321.2s, OverallIterations: 65, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 1431655742 SDslu, 0 SDs, 0 SdLazy, -1431655860 SolverSat, -1431655782 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39951 GetRequests, 33809 SyntacticMatches, 4626 SemanticMatches, 1516 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1323724 ImplicationChecksByTransitivity, 315.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 91.2s InterpolantComputationTime, 4908 NumberOfCodeBlocks, 4908 NumberOfCodeBlocksAsserted, 64 NumberOfCheckSat, 4844 ConstructedInterpolants, 0 QuantifiedInterpolants, 2238226 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 64 InterpolantComputations, 34 PerfectInterpolantSequences, 23406/47740 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: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((x <= 3 && res <= 29) && 28 < res) || ((res <= 6 && 5 < res) && x <= 33554431)) || ((res <= 13 && x <= 262143) && 12 < res)) || ((res <= 2 && 1 < res) && x <= 536870911)) || ((res <= 22 && 21 < res) && x <= 511)) || ((res <= 1 && x <= 1073741823) && 0 < res)) || ((res <= 10 && x <= 2097151) && 9 < res)) || ((x <= 31 && 25 < res) && res <= 26)) || ((res <= 4 && 3 < res) && x <= 134217727)) || ((x <= 524287 && res <= 12) && 11 < res)) || ((x <= 268435455 && res <= 3) && 2 < res)) || ((x <= 4194303 && res <= 9) && 8 < res)) || ((13 < res && res <= 14) && x <= 131071)) || ((x <= 1048575 && 10 < res) && res <= 11)) || ((res <= 19 && x <= 4095) && 18 < res)) || ((x <= 8388607 && res <= 8) && 7 < res)) || ((19 < res && res <= 20) && x <= 2047)) || ((x <= 255 && 22 < res) && res <= 23)) || ((x <= 15 && res <= 27) && 26 < res)) || ((res <= 15 && 14 < res) && x <= 65535)) || ((24 < res && x <= 63) && res <= 25)) || ((res <= 5 && 4 < res) && x <= 67108863)) || ((res <= 17 && 16 < res) && x <= 16383)) || ((res <= 7 && 6 < res) && x <= 16777215)) || ((x <= 1023 && 20 < res) && res <= 21)) || ((27 < res && res <= 28) && x <= 7)) || (29 < res && x + res <= 31)) || ((x <= 8191 && res <= 18) && 17 < res)) || ((0 <= res && res <= 0) && x <= 2147483647)) || ((res <= 16 && x <= 32767) && 15 < res)) || ((res <= 24 && x <= 127) && 23 < res) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 166.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.57 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 11.81 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 158.85 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * CodeCheck took 322031.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 23.1 MB). Free memory was 1.1 GB in the beginning and 751.0 MB in the end (delta: 349.4 MB). Peak memory consumption was 566.3 MB. Max. memory is 11.5 GB. * Witness Printer took 37.09 ms. Allocated memory is still 1.2 GB. Free memory was 751.0 MB in the beginning and 749.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...