./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3763f1f0-f4ee-4933-9c4a-72db48d0023f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3763f1f0-f4ee-4933-9c4a-72db48d0023f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3763f1f0-f4ee-4933-9c4a-72db48d0023f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3763f1f0-f4ee-4933-9c4a-72db48d0023f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3763f1f0-f4ee-4933-9c4a-72db48d0023f/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3763f1f0-f4ee-4933-9c4a-72db48d0023f/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6ff697c57265298ce2261966fa58c440777fc865 ............................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:42:46,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:46,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:46,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:46,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:46,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:46,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:46,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:46,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:46,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:46,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:46,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:46,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:46,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:46,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:46,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:46,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:46,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:46,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:46,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:46,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:46,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:46,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:46,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:46,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:46,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:46,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:46,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:46,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:46,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:46,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:46,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:46,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:46,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:46,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:46,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:46,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:46,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:46,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:46,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:46,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:46,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3763f1f0-f4ee-4933-9c4a-72db48d0023f/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-28 04:42:46,770 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:46,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:46,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:42:46,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:42:46,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:46,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:46,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:46,774 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:42:46,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:42:46,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:46,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:42:46,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:46,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:42:46,776 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:42:46,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:42:46,776 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:46,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:42:46,777 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:46,777 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:46,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:46,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:46,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:46,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:46,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:46,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:42:46,778 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:42:46,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:42:46,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:42:46,779 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_3763f1f0-f4ee-4933-9c4a-72db48d0023f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3763f1f0-f4ee-4933-9c4a-72db48d0023f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ff697c57265298ce2261966fa58c440777fc865 [2020-11-28 04:42:47,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:47,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:47,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:47,059 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:47,060 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:47,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3763f1f0-f4ee-4933-9c4a-72db48d0023f/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2020-11-28 04:42:47,154 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3763f1f0-f4ee-4933-9c4a-72db48d0023f/bin/ukojak/data/4c40f97dc/226a8e8701eb424d81b9448997642bed/FLAGf7f0a9b1b [2020-11-28 04:42:47,689 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:47,690 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3763f1f0-f4ee-4933-9c4a-72db48d0023f/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2020-11-28 04:42:47,699 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3763f1f0-f4ee-4933-9c4a-72db48d0023f/bin/ukojak/data/4c40f97dc/226a8e8701eb424d81b9448997642bed/FLAGf7f0a9b1b [2020-11-28 04:42:48,062 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3763f1f0-f4ee-4933-9c4a-72db48d0023f/bin/ukojak/data/4c40f97dc/226a8e8701eb424d81b9448997642bed [2020-11-28 04:42:48,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:48,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:48,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:48,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:48,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:48,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:48" (1/1) ... [2020-11-28 04:42:48,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f99b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:48, skipping insertion in model container [2020-11-28 04:42:48,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:48" (1/1) ... [2020-11-28 04:42:48,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:48,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:48,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:48,250 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:42:48,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:48,281 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:42:48,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:48 WrapperNode [2020-11-28 04:42:48,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:48,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:48,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:42:48,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:42:48,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:48" (1/1) ... [2020-11-28 04:42:48,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:48" (1/1) ... [2020-11-28 04:42:48,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:48,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:42:48,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:42:48,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:42:48,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:48" (1/1) ... [2020-11-28 04:42:48,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:48" (1/1) ... [2020-11-28 04:42:48,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:48" (1/1) ... [2020-11-28 04:42:48,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:48" (1/1) ... [2020-11-28 04:42:48,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:48" (1/1) ... [2020-11-28 04:42:48,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:48" (1/1) ... [2020-11-28 04:42:48,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:48" (1/1) ... [2020-11-28 04:42:48,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:42:48,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:42:48,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:42:48,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:42:48,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3763f1f0-f4ee-4933-9c4a-72db48d0023f/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 04:42:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-11-28 04:42:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-11-28 04:42:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:42:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:42:49,119 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:42:49,119 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 04:42:49,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:49 BoogieIcfgContainer [2020-11-28 04:42:49,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:42:49,123 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:42:49,123 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:42:49,135 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:42:49,136 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:49" (1/1) ... [2020-11-28 04:42:49,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:42:49,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:49,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2020-11-28 04:42:49,183 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2020-11-28 04:42:49,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:42:49,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:49,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:49,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:49,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2020-11-28 04:42:49,341 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2020-11-28 04:42:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:42:49,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:49,363 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 04:42:49,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:49,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2020-11-28 04:42:49,426 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2020-11-28 04:42:49,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:42:49,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:49,473 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 04:42:49,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:49,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2020-11-28 04:42:49,495 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-11-28 04:42:49,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:42:49,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:49,562 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 04:42:49,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:49,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2020-11-28 04:42:49,861 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2020-11-28 04:42:49,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:42:49,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:49,899 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 04:42:49,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:49,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 114 transitions. [2020-11-28 04:42:49,988 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2020-11-28 04:42:49,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 04:42:49,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:50,035 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 04:42:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:50,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 72 states and 123 transitions. [2020-11-28 04:42:50,216 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2020-11-28 04:42:50,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 04:42:50,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:50,276 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 04:42:50,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2020-11-28 04:42:50,318 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2020-11-28 04:42:50,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:42:50,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:50,364 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 04:42:50,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:50,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 114 transitions. [2020-11-28 04:42:50,392 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2020-11-28 04:42:50,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:42:50,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:50,439 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 04:42:50,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 66 states and 110 transitions. [2020-11-28 04:42:50,478 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 110 transitions. [2020-11-28 04:42:50,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:42:50,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:50,523 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 04:42:50,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:50,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 64 states and 106 transitions. [2020-11-28 04:42:50,557 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 106 transitions. [2020-11-28 04:42:50,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:42:50,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:50,581 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 04:42:50,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:50,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 60 states and 99 transitions. [2020-11-28 04:42:50,606 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 99 transitions. [2020-11-28 04:42:50,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:42:50,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:50,639 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 04:42:50,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:50,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 64 states and 107 transitions. [2020-11-28 04:42:50,833 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2020-11-28 04:42:50,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:42:50,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:50,870 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 04:42:50,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 123 transitions. [2020-11-28 04:42:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2020-11-28 04:42:50,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:42:50,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:51,029 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 04:42:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 82 states and 145 transitions. [2020-11-28 04:42:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 145 transitions. [2020-11-28 04:42:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:42:51,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:51,294 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 04:42:51,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:51,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 90 states and 160 transitions. [2020-11-28 04:42:51,453 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2020-11-28 04:42:51,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:51,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:51,478 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 04:42:51,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:51,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 92 states and 165 transitions. [2020-11-28 04:42:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 165 transitions. [2020-11-28 04:42:51,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:51,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:51,531 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 04:42:51,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 167 transitions. [2020-11-28 04:42:51,563 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 167 transitions. [2020-11-28 04:42:51,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:51,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:51,588 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 04:42:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:51,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 96 states and 173 transitions. [2020-11-28 04:42:51,638 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 173 transitions. [2020-11-28 04:42:51,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:51,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:51,664 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 04:42:51,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:51,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 98 states and 175 transitions. [2020-11-28 04:42:51,725 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 175 transitions. [2020-11-28 04:42:51,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:51,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:51,752 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 04:42:51,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:51,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 100 states and 177 transitions. [2020-11-28 04:42:51,790 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 177 transitions. [2020-11-28 04:42:51,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:51,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:51,820 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 04:42:51,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:51,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 102 states and 179 transitions. [2020-11-28 04:42:51,852 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 179 transitions. [2020-11-28 04:42:51,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:51,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:51,883 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 04:42:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 104 states and 185 transitions. [2020-11-28 04:42:51,926 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 185 transitions. [2020-11-28 04:42:51,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:51,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:51,943 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 04:42:51,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:51,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 106 states and 187 transitions. [2020-11-28 04:42:51,972 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 187 transitions. [2020-11-28 04:42:51,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:42:51,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:52,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:52,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 109 states and 201 transitions. [2020-11-28 04:42:52,611 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 201 transitions. [2020-11-28 04:42:52,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:42:52,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:52,688 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 04:42:52,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:52,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 109 states and 200 transitions. [2020-11-28 04:42:52,762 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 200 transitions. [2020-11-28 04:42:52,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:52,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:52,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:42:53,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:53,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 111 states and 201 transitions. [2020-11-28 04:42:53,040 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 201 transitions. [2020-11-28 04:42:53,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:53,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:53,047 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:53,052 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:53,086 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:53,092 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:53,100 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2020-11-28 04:42:53,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:42:53 ImpRootNode [2020-11-28 04:42:53,118 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:42:53,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:42:53,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:42:53,118 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:42:53,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:49" (3/4) ... [2020-11-28 04:42:53,121 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:42:53,159 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3763f1f0-f4ee-4933-9c4a-72db48d0023f/bin/ukojak/witness.graphml [2020-11-28 04:42:53,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:42:53,162 INFO L168 Benchmark]: Toolchain (without parser) took 5092.57 ms. Allocated memory was 88.1 MB in the beginning and 146.8 MB in the end (delta: 58.7 MB). Free memory was 57.1 MB in the beginning and 104.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:53,162 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory was 46.3 MB in the beginning and 46.2 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:53,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 210.38 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 56.9 MB in the beginning and 100.6 MB in the end (delta: -43.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:53,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.80 ms. Allocated memory is still 121.6 MB. Free memory was 99.9 MB in the beginning and 98.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:53,165 INFO L168 Benchmark]: Boogie Preprocessor took 50.42 ms. Allocated memory is still 121.6 MB. Free memory was 98.6 MB in the beginning and 97.8 MB in the end (delta: 763.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:53,166 INFO L168 Benchmark]: RCFGBuilder took 707.29 ms. Allocated memory is still 121.6 MB. Free memory was 97.8 MB in the beginning and 69.2 MB in the end (delta: 28.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:53,166 INFO L168 Benchmark]: CodeCheck took 3994.64 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 69.2 MB in the beginning and 106.2 MB in the end (delta: -37.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:53,167 INFO L168 Benchmark]: Witness Printer took 41.50 ms. Allocated memory is still 146.8 MB. Free memory was 106.2 MB in the beginning and 104.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:53,172 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 2 procedures, 36 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.9s, OverallIterations: 27, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 829693920 SDtfs, 950376226 SDslu, 1450674184 SDs, 0 SdLazy, 803229932 SolverSat, 202665982 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4110 GetRequests, 3792 SyntacticMatches, 246 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2383 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 424 NumberOfCodeBlocks, 424 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 380 ConstructedInterpolants, 0 QuantifiedInterpolants, 21274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 24 PerfectInterpolantSequences, 1/5 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 - CounterExampleResult [Line: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L53] int d = 1; [L54] int x = __VERIFIER_nondet_int(); [L56] COND TRUE __VERIFIER_nondet_int() [L57] EXPR d - 1 [L57] d = d - 1 [L61] COND FALSE !(__VERIFIER_nondet_int()) [L64] COND FALSE !(__VERIFIER_nondet_int()) [L67] COND FALSE !(__VERIFIER_nondet_int()) [L70] COND FALSE !(__VERIFIER_nondet_int()) [L76] COND TRUE __VERIFIER_nondet_int() [L77] EXPR d - 1 [L77] d = d - 1 [L80] COND TRUE x > 0 [L81] x - d * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory was 46.3 MB in the beginning and 46.2 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 210.38 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 56.9 MB in the beginning and 100.6 MB in the end (delta: -43.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.80 ms. Allocated memory is still 121.6 MB. Free memory was 99.9 MB in the beginning and 98.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.42 ms. Allocated memory is still 121.6 MB. Free memory was 98.6 MB in the beginning and 97.8 MB in the end (delta: 763.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 707.29 ms. Allocated memory is still 121.6 MB. Free memory was 97.8 MB in the beginning and 69.2 MB in the end (delta: 28.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * CodeCheck took 3994.64 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 69.2 MB in the beginning and 106.2 MB in the end (delta: -37.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 41.50 ms. Allocated memory is still 146.8 MB. Free memory was 106.2 MB in the beginning and 104.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...