./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ab9da074-5fde-4fa6-b135-fc8f1e997e5b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ab9da074-5fde-4fa6-b135-fc8f1e997e5b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ab9da074-5fde-4fa6-b135-fc8f1e997e5b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ab9da074-5fde-4fa6-b135-fc8f1e997e5b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_1-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ab9da074-5fde-4fa6-b135-fc8f1e997e5b/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ab9da074-5fde-4fa6-b135-fc8f1e997e5b/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 a92d749021b3b94f4ecd59f60bbcb6b80102c08a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:16:25,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:16:25,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:16:26,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:16:26,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:16:26,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:16:26,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:16:26,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:16:26,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:16:26,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:16:26,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:16:26,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:16:26,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:16:26,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:16:26,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:16:26,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:16:26,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:16:26,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:16:26,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:16:26,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:16:26,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:16:26,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:16:26,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:16:26,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:16:26,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:16:26,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:16:26,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:16:26,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:16:26,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:16:26,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:16:26,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:16:26,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:16:26,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:16:26,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:16:26,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:16:26,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:16:26,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:16:26,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:16:26,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:16:26,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:16:26,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:16:26,122 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ab9da074-5fde-4fa6-b135-fc8f1e997e5b/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-12-01 17:16:26,175 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:16:26,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:16:26,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:16:26,177 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:16:26,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:16:26,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:16:26,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:16:26,179 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:16:26,179 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:16:26,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:16:26,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:16:26,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:16:26,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:16:26,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:16:26,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:16:26,181 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 17:16:26,181 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:16:26,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:16:26,182 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:16:26,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:16:26,182 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:16:26,183 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:16:26,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:16:26,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:16:26,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:16:26,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:16:26,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:16:26,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:16:26,185 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:16:26,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:16:26,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:16:26,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ab9da074-5fde-4fa6-b135-fc8f1e997e5b/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ab9da074-5fde-4fa6-b135-fc8f1e997e5b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a92d749021b3b94f4ecd59f60bbcb6b80102c08a [2020-12-01 17:16:26,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:16:26,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:16:26,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:16:26,526 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:16:26,527 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:16:26,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ab9da074-5fde-4fa6-b135-fc8f1e997e5b/bin/ukojak/../../sv-benchmarks/c/bitvector/byte_add_1-1.i [2020-12-01 17:16:26,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab9da074-5fde-4fa6-b135-fc8f1e997e5b/bin/ukojak/data/8f52f0a97/3973269db2514b2eb18448568344e177/FLAG0473c2d59 [2020-12-01 17:16:27,180 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:16:27,182 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ab9da074-5fde-4fa6-b135-fc8f1e997e5b/sv-benchmarks/c/bitvector/byte_add_1-1.i [2020-12-01 17:16:27,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab9da074-5fde-4fa6-b135-fc8f1e997e5b/bin/ukojak/data/8f52f0a97/3973269db2514b2eb18448568344e177/FLAG0473c2d59 [2020-12-01 17:16:27,480 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ab9da074-5fde-4fa6-b135-fc8f1e997e5b/bin/ukojak/data/8f52f0a97/3973269db2514b2eb18448568344e177 [2020-12-01 17:16:27,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:16:27,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:16:27,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:16:27,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:16:27,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:16:27,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:16:27" (1/1) ... [2020-12-01 17:16:27,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@196001b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:27, skipping insertion in model container [2020-12-01 17:16:27,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:16:27" (1/1) ... [2020-12-01 17:16:27,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:16:27,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:16:27,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:16:27,802 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:16:27,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:16:27,866 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:16:27,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:27 WrapperNode [2020-12-01 17:16:27,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:16:27,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:16:27,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:16:27,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:16:27,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:27" (1/1) ... [2020-12-01 17:16:27,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:27" (1/1) ... [2020-12-01 17:16:27,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:16:27,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:16:27,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:16:27,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:16:27,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:27" (1/1) ... [2020-12-01 17:16:27,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:27" (1/1) ... [2020-12-01 17:16:27,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:27" (1/1) ... [2020-12-01 17:16:27,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:27" (1/1) ... [2020-12-01 17:16:27,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:27" (1/1) ... [2020-12-01 17:16:27,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:27" (1/1) ... [2020-12-01 17:16:27,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:27" (1/1) ... [2020-12-01 17:16:27,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:16:27,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:16:27,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:16:27,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:16:27,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab9da074-5fde-4fa6-b135-fc8f1e997e5b/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 [2020-12-01 17:16:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:16:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:16:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:16:28,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:16:28,927 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:16:28,927 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-01 17:16:28,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:16:28 BoogieIcfgContainer [2020-12-01 17:16:28,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:16:28,932 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:16:28,932 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:16:28,944 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:16:28,944 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:16:28" (1/1) ... [2020-12-01 17:16:28,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:16:28,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:28,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2020-12-01 17:16:28,998 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2020-12-01 17:16:29,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 17:16:29,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2020-12-01 17:16:29,158 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2020-12-01 17:16:29,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:16:29,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2020-12-01 17:16:29,248 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2020-12-01 17:16:29,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:16:29,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2020-12-01 17:16:29,337 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2020-12-01 17:16:29,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:16:29,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2020-12-01 17:16:29,413 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2020-12-01 17:16:29,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:16:29,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2020-12-01 17:16:29,476 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2020-12-01 17:16:29,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:16:29,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2020-12-01 17:16:29,547 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2020-12-01 17:16:29,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:16:29,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2020-12-01 17:16:29,594 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2020-12-01 17:16:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:16:29,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2020-12-01 17:16:29,627 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2020-12-01 17:16:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:16:29,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2020-12-01 17:16:29,664 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2020-12-01 17:16:29,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:16:29,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2020-12-01 17:16:29,713 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2020-12-01 17:16:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:16:29,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2020-12-01 17:16:29,747 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2020-12-01 17:16:29,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:16:29,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2020-12-01 17:16:29,801 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2020-12-01 17:16:29,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:16:29,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2020-12-01 17:16:29,828 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2020-12-01 17:16:29,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:16:29,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2020-12-01 17:16:29,855 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2020-12-01 17:16:29,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:16:29,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2020-12-01 17:16:29,898 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2020-12-01 17:16:29,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:16:29,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2020-12-01 17:16:29,954 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2020-12-01 17:16:29,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:16:29,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:29,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:29,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2020-12-01 17:16:29,985 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2020-12-01 17:16:29,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:16:29,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2020-12-01 17:16:30,030 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2020-12-01 17:16:30,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:16:30,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2020-12-01 17:16:30,064 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2020-12-01 17:16:30,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:16:30,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2020-12-01 17:16:30,096 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2020-12-01 17:16:30,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:16:30,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2020-12-01 17:16:30,132 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2020-12-01 17:16:30,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:16:30,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2020-12-01 17:16:30,170 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2020-12-01 17:16:30,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:16:30,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2020-12-01 17:16:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2020-12-01 17:16:30,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:16:30,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2020-12-01 17:16:30,215 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2020-12-01 17:16:30,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:16:30,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2020-12-01 17:16:30,232 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2020-12-01 17:16:30,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:16:30,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2020-12-01 17:16:30,265 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2020-12-01 17:16:30,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:16:30,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2020-12-01 17:16:30,291 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2020-12-01 17:16:30,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:16:30,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2020-12-01 17:16:30,313 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2020-12-01 17:16:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:16:30,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2020-12-01 17:16:30,350 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2020-12-01 17:16:30,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:16:30,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2020-12-01 17:16:30,377 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2020-12-01 17:16:30,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:16:30,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2020-12-01 17:16:30,399 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2020-12-01 17:16:30,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:16:30,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2020-12-01 17:16:30,434 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2020-12-01 17:16:30,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:16:30,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2020-12-01 17:16:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2020-12-01 17:16:30,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:16:30,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2020-12-01 17:16:30,483 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2020-12-01 17:16:30,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:16:30,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2020-12-01 17:16:30,501 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-12-01 17:16:30,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:16:30,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:30,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:30,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2020-12-01 17:16:30,542 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2020-12-01 17:16:30,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:16:30,542 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2020-12-01 17:16:30,551 INFO L765 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2020-12-01 17:16:30,631 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:16:30,636 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:16:30,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:16:30 ImpRootNode [2020-12-01 17:16:30,637 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:16:30,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:16:30,639 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:16:30,639 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:16:30,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:16:28" (3/4) ... [2020-12-01 17:16:30,651 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:16:30,678 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 17:16:30,679 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 17:16:30,680 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:16:30,680 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:16:30,827 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ab9da074-5fde-4fa6-b135-fc8f1e997e5b/bin/ukojak/witness.graphml [2020-12-01 17:16:30,827 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:16:30,829 INFO L168 Benchmark]: Toolchain (without parser) took 3343.53 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 61.1 MB in the beginning and 46.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 34.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:16:30,830 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:16:30,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.55 ms. Allocated memory is still 92.3 MB. Free memory was 60.9 MB in the beginning and 67.4 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:16:30,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.46 ms. Allocated memory is still 92.3 MB. Free memory was 67.4 MB in the beginning and 65.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:16:30,832 INFO L168 Benchmark]: Boogie Preprocessor took 40.24 ms. Allocated memory is still 92.3 MB. Free memory was 65.3 MB in the beginning and 64.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:16:30,833 INFO L168 Benchmark]: RCFGBuilder took 960.04 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 64.0 MB in the beginning and 75.5 MB in the end (delta: -11.5 MB). Peak memory consumption was 35.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:16:30,833 INFO L168 Benchmark]: CodeCheck took 1705.93 ms. Allocated memory is still 111.1 MB. Free memory was 75.5 MB in the beginning and 51.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:16:30,834 INFO L168 Benchmark]: Witness Printer took 189.18 ms. Allocated memory is still 111.1 MB. Free memory was 51.3 MB in the beginning and 46.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:16:30,837 INFO L339 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. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 37, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1336594656 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, 0.4s SatisfiabilityAnalysisTime, 0.6s 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: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: 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: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: 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: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 83]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: 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: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 96]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: 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: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 96]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 83]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: 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: 72]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 380.55 ms. Allocated memory is still 92.3 MB. Free memory was 60.9 MB in the beginning and 67.4 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.46 ms. Allocated memory is still 92.3 MB. Free memory was 67.4 MB in the beginning and 65.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.24 ms. Allocated memory is still 92.3 MB. Free memory was 65.3 MB in the beginning and 64.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 960.04 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 64.0 MB in the beginning and 75.5 MB in the end (delta: -11.5 MB). Peak memory consumption was 35.6 MB. Max. memory is 16.1 GB. * CodeCheck took 1705.93 ms. Allocated memory is still 111.1 MB. Free memory was 75.5 MB in the beginning and 51.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. * Witness Printer took 189.18 ms. Allocated memory is still 111.1 MB. Free memory was 51.3 MB in the beginning and 46.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...