./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5fa2456a-0ca3-4da1-b6a8-90383b24f10a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5fa2456a-0ca3-4da1-b6a8-90383b24f10a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5fa2456a-0ca3-4da1-b6a8-90383b24f10a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5fa2456a-0ca3-4da1-b6a8-90383b24f10a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_1-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5fa2456a-0ca3-4da1-b6a8-90383b24f10a/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5fa2456a-0ca3-4da1-b6a8-90383b24f10a/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-a4ecdab [2020-11-28 04:39:16,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:16,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:17,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:17,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:17,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:17,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:17,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:17,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:17,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:17,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:17,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:17,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:17,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:17,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:17,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:17,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:17,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:17,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:17,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:17,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:17,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:17,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:17,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:17,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:17,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:17,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:17,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:17,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:17,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:17,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:17,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:17,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:17,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:17,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:17,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:17,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:17,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:17,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:17,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:17,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:17,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5fa2456a-0ca3-4da1-b6a8-90383b24f10a/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-11-28 04:39:17,205 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:17,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:17,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:39:17,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:39:17,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:17,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:17,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:17,213 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:39:17,213 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:39:17,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:39:17,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:39:17,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:17,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:39:17,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:17,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:39:17,216 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:39:17,216 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:39:17,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:39:17,216 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:17,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:39:17,217 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:17,217 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:17,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:17,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:17,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:17,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:17,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:17,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:39:17,219 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:39:17,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:39:17,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:39:17,221 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_5fa2456a-0ca3-4da1-b6a8-90383b24f10a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5fa2456a-0ca3-4da1-b6a8-90383b24f10a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a92d749021b3b94f4ecd59f60bbcb6b80102c08a [2020-11-28 04:39:17,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:17,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:17,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:17,500 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:17,501 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:17,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5fa2456a-0ca3-4da1-b6a8-90383b24f10a/bin/ukojak/../../sv-benchmarks/c/bitvector/byte_add_1-1.i [2020-11-28 04:39:17,584 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5fa2456a-0ca3-4da1-b6a8-90383b24f10a/bin/ukojak/data/f3ab3572d/8bbdb740e88746508a76f390c961848f/FLAG7106c1b41 [2020-11-28 04:39:18,086 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:18,087 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5fa2456a-0ca3-4da1-b6a8-90383b24f10a/sv-benchmarks/c/bitvector/byte_add_1-1.i [2020-11-28 04:39:18,094 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5fa2456a-0ca3-4da1-b6a8-90383b24f10a/bin/ukojak/data/f3ab3572d/8bbdb740e88746508a76f390c961848f/FLAG7106c1b41 [2020-11-28 04:39:18,429 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5fa2456a-0ca3-4da1-b6a8-90383b24f10a/bin/ukojak/data/f3ab3572d/8bbdb740e88746508a76f390c961848f [2020-11-28 04:39:18,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:18,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:18,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:18,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:18,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:18,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:18" (1/1) ... [2020-11-28 04:39:18,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547a68d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:18, skipping insertion in model container [2020-11-28 04:39:18,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:18" (1/1) ... [2020-11-28 04:39:18,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:18,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:18,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:18,714 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:39:18,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:18,767 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:39:18,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:18 WrapperNode [2020-11-28 04:39:18,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:18,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:18,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:39:18,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:39:18,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:18" (1/1) ... [2020-11-28 04:39:18,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:18" (1/1) ... [2020-11-28 04:39:18,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:18,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:39:18,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:39:18,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:39:18,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:18" (1/1) ... [2020-11-28 04:39:18,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:18" (1/1) ... [2020-11-28 04:39:18,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:18" (1/1) ... [2020-11-28 04:39:18,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:18" (1/1) ... [2020-11-28 04:39:18,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:18" (1/1) ... [2020-11-28 04:39:18,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:18" (1/1) ... [2020-11-28 04:39:18,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:18" (1/1) ... [2020-11-28 04:39:18,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:39:18,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:39:18,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:39:18,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:39:18,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5fa2456a-0ca3-4da1-b6a8-90383b24f10a/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 [2020-11-28 04:39:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:39:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:39:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:39:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:39:19,728 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:39:19,728 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-28 04:39:19,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:19 BoogieIcfgContainer [2020-11-28 04:39:19,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:39:19,732 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:39:19,732 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:39:19,743 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:39:19,743 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:19" (1/1) ... [2020-11-28 04:39:19,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:39:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:19,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2020-11-28 04:39:19,804 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2020-11-28 04:39:19,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:39:19,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:19,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:19,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2020-11-28 04:39:19,989 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2020-11-28 04:39:19,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:39:19,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2020-11-28 04:39:20,044 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2020-11-28 04:39:20,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:39:20,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2020-11-28 04:39:20,083 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2020-11-28 04:39:20,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:39:20,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2020-11-28 04:39:20,112 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2020-11-28 04:39:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:39:20,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2020-11-28 04:39:20,162 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2020-11-28 04:39:20,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:39:20,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2020-11-28 04:39:20,220 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2020-11-28 04:39:20,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:39:20,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2020-11-28 04:39:20,287 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2020-11-28 04:39:20,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:39:20,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2020-11-28 04:39:20,357 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2020-11-28 04:39:20,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:39:20,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2020-11-28 04:39:20,383 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2020-11-28 04:39:20,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:39:20,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2020-11-28 04:39:20,404 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2020-11-28 04:39:20,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:39:20,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2020-11-28 04:39:20,423 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2020-11-28 04:39:20,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:39:20,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2020-11-28 04:39:20,469 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2020-11-28 04:39:20,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:39:20,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2020-11-28 04:39:20,499 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2020-11-28 04:39:20,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:39:20,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2020-11-28 04:39:20,520 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2020-11-28 04:39:20,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:39:20,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2020-11-28 04:39:20,536 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2020-11-28 04:39:20,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:39:20,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2020-11-28 04:39:20,561 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2020-11-28 04:39:20,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:39:20,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2020-11-28 04:39:20,583 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2020-11-28 04:39:20,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:39:20,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2020-11-28 04:39:20,612 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2020-11-28 04:39:20,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:39:20,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2020-11-28 04:39:20,635 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2020-11-28 04:39:20,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:39:20,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2020-11-28 04:39:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2020-11-28 04:39:20,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:39:20,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2020-11-28 04:39:20,689 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2020-11-28 04:39:20,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:39:20,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2020-11-28 04:39:20,720 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2020-11-28 04:39:20,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:39:20,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2020-11-28 04:39:20,749 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2020-11-28 04:39:20,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:39:20,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2020-11-28 04:39:20,774 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2020-11-28 04:39:20,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:39:20,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2020-11-28 04:39:20,798 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2020-11-28 04:39:20,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:39:20,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2020-11-28 04:39:20,825 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2020-11-28 04:39:20,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:39:20,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2020-11-28 04:39:20,856 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2020-11-28 04:39:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:39:20,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2020-11-28 04:39:20,875 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2020-11-28 04:39:20,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:39:20,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2020-11-28 04:39:20,902 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2020-11-28 04:39:20,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:39:20,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2020-11-28 04:39:20,923 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2020-11-28 04:39:20,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:39:20,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2020-11-28 04:39:20,942 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2020-11-28 04:39:20,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:39:20,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2020-11-28 04:39:20,975 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2020-11-28 04:39:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:39:20,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:20,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:20,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2020-11-28 04:39:20,989 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2020-11-28 04:39:20,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:39:20,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:21,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:21,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:21,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2020-11-28 04:39:21,022 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2020-11-28 04:39:21,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:39:21,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:21,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:21,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2020-11-28 04:39:21,039 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-11-28 04:39:21,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:39:21,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:21,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:21,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:21,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2020-11-28 04:39:21,075 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2020-11-28 04:39:21,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:39:21,076 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2020-11-28 04:39:21,083 INFO L765 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2020-11-28 04:39:21,169 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:21,173 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:21,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:39:21 ImpRootNode [2020-11-28 04:39:21,174 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:39:21,175 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:39:21,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:39:21,175 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:39:21,176 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:19" (3/4) ... [2020-11-28 04:39:21,179 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:39:21,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 04:39:21,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:39:21,197 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:39:21,197 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:39:21,320 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5fa2456a-0ca3-4da1-b6a8-90383b24f10a/bin/ukojak/witness.graphml [2020-11-28 04:39:21,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:39:21,322 INFO L168 Benchmark]: Toolchain (without parser) took 2888.70 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 65.5 MB in the beginning and 88.0 MB in the end (delta: -22.5 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:21,323 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory was 54.3 MB in the beginning and 54.3 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:21,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.03 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 65.5 MB in the beginning and 105.7 MB in the end (delta: -40.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:21,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.38 ms. Allocated memory is still 130.0 MB. Free memory was 105.7 MB in the beginning and 103.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:21,324 INFO L168 Benchmark]: Boogie Preprocessor took 58.72 ms. Allocated memory is still 130.0 MB. Free memory was 103.6 MB in the beginning and 102.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:21,325 INFO L168 Benchmark]: RCFGBuilder took 856.57 ms. Allocated memory is still 130.0 MB. Free memory was 102.1 MB in the beginning and 59.0 MB in the end (delta: 43.1 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:21,325 INFO L168 Benchmark]: CodeCheck took 1442.76 ms. Allocated memory is still 130.0 MB. Free memory was 59.0 MB in the beginning and 93.2 MB in the end (delta: -34.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:21,325 INFO L168 Benchmark]: Witness Printer took 145.51 ms. Allocated memory is still 130.0 MB. Free memory was 93.2 MB in the beginning and 88.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:21,327 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: 1.3s, 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, 0.3s SatisfiabilityAnalysisTime, 0.4s 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 0.26 ms. Allocated memory is still 96.5 MB. Free memory was 54.3 MB in the beginning and 54.3 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 322.03 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 65.5 MB in the beginning and 105.7 MB in the end (delta: -40.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.38 ms. Allocated memory is still 130.0 MB. Free memory was 105.7 MB in the beginning and 103.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.72 ms. Allocated memory is still 130.0 MB. Free memory was 103.6 MB in the beginning and 102.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 856.57 ms. Allocated memory is still 130.0 MB. Free memory was 102.1 MB in the beginning and 59.0 MB in the end (delta: 43.1 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * CodeCheck took 1442.76 ms. Allocated memory is still 130.0 MB. Free memory was 59.0 MB in the beginning and 93.2 MB in the end (delta: -34.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 145.51 ms. Allocated memory is still 130.0 MB. Free memory was 93.2 MB in the beginning and 88.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...