./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a280741c-8e64-4ba8-b101-0b0d2f195861/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a280741c-8e64-4ba8-b101-0b0d2f195861/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a280741c-8e64-4ba8-b101-0b0d2f195861/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a280741c-8e64-4ba8-b101-0b0d2f195861/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a280741c-8e64-4ba8-b101-0b0d2f195861/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a280741c-8e64-4ba8-b101-0b0d2f195861/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 409f93cc3fb27e0335e986593862ddeb482b815c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:33:19,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:33:19,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:33:19,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:33:19,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:33:19,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:33:19,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:33:19,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:33:19,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:33:19,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:33:19,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:33:19,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:33:19,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:33:19,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:33:19,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:33:19,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:33:19,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:33:19,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:33:19,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:33:19,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:33:19,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:33:19,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:33:19,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:33:19,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:33:19,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:33:19,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:33:19,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:33:19,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:33:19,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:33:19,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:33:19,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:33:19,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:33:19,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:33:19,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:33:19,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:33:19,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:33:19,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:33:19,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:33:19,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:33:19,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:33:19,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:33:19,486 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a280741c-8e64-4ba8-b101-0b0d2f195861/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-11-30 00:33:19,524 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:33:19,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:33:19,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:33:19,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:33:19,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:33:19,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:33:19,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:33:19,528 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:33:19,528 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:33:19,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:33:19,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:33:19,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:33:19,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:33:19,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:33:19,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:33:19,530 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 00:33:19,530 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:33:19,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:33:19,531 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:33:19,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:33:19,531 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:33:19,532 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:33:19,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:33:19,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:33:19,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:33:19,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:33:19,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:33:19,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:33:19,533 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:33:19,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:33:19,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:33:19,535 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_a280741c-8e64-4ba8-b101-0b0d2f195861/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a280741c-8e64-4ba8-b101-0b0d2f195861/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 409f93cc3fb27e0335e986593862ddeb482b815c [2020-11-30 00:33:19,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:33:19,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:33:19,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:33:19,852 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:33:19,853 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:33:19,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a280741c-8e64-4ba8-b101-0b0d2f195861/bin/ukojak/../../sv-benchmarks/c/bitvector/byte_add-1.i [2020-11-30 00:33:19,948 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a280741c-8e64-4ba8-b101-0b0d2f195861/bin/ukojak/data/d3fd6b610/79d797d61aef4bca9b6c8b42cf62bddc/FLAGdd4d09d02 [2020-11-30 00:33:20,429 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:33:20,434 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a280741c-8e64-4ba8-b101-0b0d2f195861/sv-benchmarks/c/bitvector/byte_add-1.i [2020-11-30 00:33:20,450 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a280741c-8e64-4ba8-b101-0b0d2f195861/bin/ukojak/data/d3fd6b610/79d797d61aef4bca9b6c8b42cf62bddc/FLAGdd4d09d02 [2020-11-30 00:33:20,776 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a280741c-8e64-4ba8-b101-0b0d2f195861/bin/ukojak/data/d3fd6b610/79d797d61aef4bca9b6c8b42cf62bddc [2020-11-30 00:33:20,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:33:20,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:33:20,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:33:20,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:33:20,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:33:20,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:33:20" (1/1) ... [2020-11-30 00:33:20,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595ed1bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:20, skipping insertion in model container [2020-11-30 00:33:20,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:33:20" (1/1) ... [2020-11-30 00:33:20,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:33:20,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:33:21,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:33:21,029 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:33:21,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:33:21,078 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:33:21,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:21 WrapperNode [2020-11-30 00:33:21,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:33:21,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:33:21,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:33:21,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:33:21,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:21" (1/1) ... [2020-11-30 00:33:21,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:21" (1/1) ... [2020-11-30 00:33:21,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:33:21,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:33:21,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:33:21,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:33:21,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:21" (1/1) ... [2020-11-30 00:33:21,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:21" (1/1) ... [2020-11-30 00:33:21,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:21" (1/1) ... [2020-11-30 00:33:21,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:21" (1/1) ... [2020-11-30 00:33:21,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:21" (1/1) ... [2020-11-30 00:33:21,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:21" (1/1) ... [2020-11-30 00:33:21,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:21" (1/1) ... [2020-11-30 00:33:21,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:33:21,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:33:21,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:33:21,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:33:21,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a280741c-8e64-4ba8-b101-0b0d2f195861/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 [2020-11-30 00:33:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:33:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:33:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:33:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:33:22,037 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:33:22,037 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-30 00:33:22,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:33:22 BoogieIcfgContainer [2020-11-30 00:33:22,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:33:22,040 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:33:22,041 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:33:22,052 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:33:22,053 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:33:22" (1/1) ... [2020-11-30 00:33:22,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:33:22,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2020-11-30 00:33:22,108 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2020-11-30 00:33:22,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-30 00:33:22,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2020-11-30 00:33:22,247 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2020-11-30 00:33:22,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 00:33:22,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2020-11-30 00:33:22,292 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2020-11-30 00:33:22,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-30 00:33:22,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2020-11-30 00:33:22,346 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2020-11-30 00:33:22,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 00:33:22,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2020-11-30 00:33:22,375 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2020-11-30 00:33:22,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 00:33:22,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2020-11-30 00:33:22,402 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2020-11-30 00:33:22,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 00:33:22,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2020-11-30 00:33:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2020-11-30 00:33:22,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 00:33:22,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2020-11-30 00:33:22,462 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2020-11-30 00:33:22,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 00:33:22,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2020-11-30 00:33:22,509 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2020-11-30 00:33:22,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 00:33:22,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2020-11-30 00:33:22,559 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2020-11-30 00:33:22,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:33:22,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2020-11-30 00:33:22,581 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2020-11-30 00:33:22,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:33:22,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2020-11-30 00:33:22,602 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2020-11-30 00:33:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:33:22,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2020-11-30 00:33:22,623 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2020-11-30 00:33:22,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:33:22,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2020-11-30 00:33:22,644 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2020-11-30 00:33:22,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:33:22,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2020-11-30 00:33:22,690 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2020-11-30 00:33:22,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:33:22,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2020-11-30 00:33:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2020-11-30 00:33:22,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:33:22,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2020-11-30 00:33:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2020-11-30 00:33:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:33:22,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2020-11-30 00:33:22,759 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2020-11-30 00:33:22,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:33:22,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2020-11-30 00:33:22,780 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2020-11-30 00:33:22,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:33:22,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2020-11-30 00:33:22,795 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2020-11-30 00:33:22,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:33:22,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2020-11-30 00:33:22,810 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2020-11-30 00:33:22,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 00:33:22,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2020-11-30 00:33:22,823 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2020-11-30 00:33:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 00:33:22,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2020-11-30 00:33:22,840 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2020-11-30 00:33:22,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 00:33:22,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2020-11-30 00:33:22,855 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2020-11-30 00:33:22,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 00:33:22,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2020-11-30 00:33:22,869 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2020-11-30 00:33:22,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 00:33:22,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2020-11-30 00:33:22,882 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2020-11-30 00:33:22,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 00:33:22,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2020-11-30 00:33:22,896 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2020-11-30 00:33:22,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 00:33:22,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2020-11-30 00:33:22,909 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2020-11-30 00:33:22,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:33:22,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2020-11-30 00:33:22,926 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2020-11-30 00:33:22,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:33:22,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2020-11-30 00:33:22,968 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2020-11-30 00:33:22,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:33:22,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2020-11-30 00:33:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2020-11-30 00:33:22,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:33:22,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:23,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:23,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:23,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2020-11-30 00:33:23,017 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2020-11-30 00:33:23,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:33:23,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:23,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:23,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:23,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2020-11-30 00:33:23,064 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2020-11-30 00:33:23,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:33:23,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:23,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:23,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2020-11-30 00:33:23,083 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2020-11-30 00:33:23,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:33:23,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:23,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:23,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:23,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2020-11-30 00:33:23,106 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2020-11-30 00:33:23,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:33:23,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:23,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:23,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:23,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2020-11-30 00:33:23,121 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-11-30 00:33:23,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 00:33:23,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:23,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:23,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:23,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2020-11-30 00:33:23,137 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2020-11-30 00:33:23,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:33:23,138 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2020-11-30 00:33:23,145 INFO L765 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2020-11-30 00:33:23,218 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:33:23,222 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:33:23,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:33:23 ImpRootNode [2020-11-30 00:33:23,225 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:33:23,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:33:23,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:33:23,226 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:33:23,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:33:22" (3/4) ... [2020-11-30 00:33:23,229 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:33:23,247 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:33:23,248 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-30 00:33:23,248 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:33:23,249 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:33:23,356 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a280741c-8e64-4ba8-b101-0b0d2f195861/bin/ukojak/witness.graphml [2020-11-30 00:33:23,356 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:33:23,358 INFO L168 Benchmark]: Toolchain (without parser) took 2577.27 ms. Allocated memory was 123.7 MB in the beginning and 153.1 MB in the end (delta: 29.4 MB). Free memory was 88.1 MB in the beginning and 93.0 MB in the end (delta: -4.9 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:23,359 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 123.7 MB. Free memory was 95.2 MB in the beginning and 95.1 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:33:23,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.96 ms. Allocated memory is still 123.7 MB. Free memory was 88.1 MB in the beginning and 97.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:23,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.49 ms. Allocated memory is still 123.7 MB. Free memory was 97.2 MB in the beginning and 95.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:23,363 INFO L168 Benchmark]: Boogie Preprocessor took 48.25 ms. Allocated memory is still 123.7 MB. Free memory was 95.2 MB in the beginning and 93.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:23,363 INFO L168 Benchmark]: RCFGBuilder took 870.07 ms. Allocated memory is still 123.7 MB. Free memory was 93.7 MB in the beginning and 50.5 MB in the end (delta: 43.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:23,364 INFO L168 Benchmark]: CodeCheck took 1184.77 ms. Allocated memory was 123.7 MB in the beginning and 153.1 MB in the end (delta: 29.4 MB). Free memory was 50.5 MB in the beginning and 98.3 MB in the end (delta: -47.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:33:23,364 INFO L168 Benchmark]: Witness Printer took 130.99 ms. Allocated memory is still 153.1 MB. Free memory was 98.3 MB in the beginning and 93.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:23,366 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: 1.0s, 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, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 2974 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 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 0.25 ms. Allocated memory is still 123.7 MB. Free memory was 95.2 MB in the beginning and 95.1 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 296.96 ms. Allocated memory is still 123.7 MB. Free memory was 88.1 MB in the beginning and 97.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.49 ms. Allocated memory is still 123.7 MB. Free memory was 97.2 MB in the beginning and 95.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.25 ms. Allocated memory is still 123.7 MB. Free memory was 95.2 MB in the beginning and 93.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 870.07 ms. Allocated memory is still 123.7 MB. Free memory was 93.7 MB in the beginning and 50.5 MB in the end (delta: 43.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * CodeCheck took 1184.77 ms. Allocated memory was 123.7 MB in the beginning and 153.1 MB in the end (delta: 29.4 MB). Free memory was 50.5 MB in the beginning and 98.3 MB in the end (delta: -47.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 130.99 ms. Allocated memory is still 153.1 MB. Free memory was 98.3 MB in the beginning and 93.0 MB in the end (delta: 5.2 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...