./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_security.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_16acb616-f5cc-4772-800c-fdeda9f7c693/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_16acb616-f5cc-4772-800c-fdeda9f7c693/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_16acb616-f5cc-4772-800c-fdeda9f7c693/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_16acb616-f5cc-4772-800c-fdeda9f7c693/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_security.c -s /tmp/vcloud-vcloud-master/worker/run_dir_16acb616-f5cc-4772-800c-fdeda9f7c693/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_16acb616-f5cc-4772-800c-fdeda9f7c693/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d4a7e0762948cbc310fcf63fb24dcbf7ee6356cb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:13:43,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:13:43,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:13:43,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:13:43,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:13:43,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:13:43,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:13:43,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:13:43,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:13:43,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:13:43,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:13:43,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:13:43,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:13:43,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:13:43,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:13:43,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:13:43,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:13:43,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:13:43,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:13:43,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:13:43,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:13:43,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:13:43,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:13:43,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:13:43,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:13:43,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:13:43,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:13:43,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:13:43,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:13:43,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:13:43,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:13:43,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:13:43,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:13:43,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:13:43,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:13:43,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:13:43,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:13:43,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:13:43,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:13:43,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:13:43,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:13:43,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_16acb616-f5cc-4772-800c-fdeda9f7c693/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:13:43,481 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:13:43,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:13:43,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:13:43,483 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:13:43,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:13:43,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:13:43,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:13:43,485 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:13:43,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:13:43,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:13:43,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:13:43,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:13:43,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:13:43,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:13:43,487 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:13:43,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:13:43,488 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:13:43,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:13:43,489 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:13:43,489 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:13:43,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:13:43,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:13:43,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:13:43,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:13:43,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:13:43,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:13:43,491 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:13:43,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:13:43,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:13:43,492 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_16acb616-f5cc-4772-800c-fdeda9f7c693/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_16acb616-f5cc-4772-800c-fdeda9f7c693/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4a7e0762948cbc310fcf63fb24dcbf7ee6356cb [2020-12-01 16:13:43,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:13:43,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:13:43,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:13:43,994 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:13:43,996 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:13:43,998 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_16acb616-f5cc-4772-800c-fdeda9f7c693/bin/ukojak/../../sv-benchmarks/c/psyco/psyco_security.c [2020-12-01 16:13:44,148 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_16acb616-f5cc-4772-800c-fdeda9f7c693/bin/ukojak/data/47cebf312/64859018e77c4d1abc9bb2f267e2a676/FLAGfe98d80fe [2020-12-01 16:13:44,920 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:13:44,924 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_16acb616-f5cc-4772-800c-fdeda9f7c693/sv-benchmarks/c/psyco/psyco_security.c [2020-12-01 16:13:44,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_16acb616-f5cc-4772-800c-fdeda9f7c693/bin/ukojak/data/47cebf312/64859018e77c4d1abc9bb2f267e2a676/FLAGfe98d80fe [2020-12-01 16:13:45,207 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_16acb616-f5cc-4772-800c-fdeda9f7c693/bin/ukojak/data/47cebf312/64859018e77c4d1abc9bb2f267e2a676 [2020-12-01 16:13:45,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:13:45,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:13:45,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:13:45,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:13:45,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:13:45,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:13:45" (1/1) ... [2020-12-01 16:13:45,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:45, skipping insertion in model container [2020-12-01 16:13:45,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:13:45" (1/1) ... [2020-12-01 16:13:45,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:13:45,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:13:45,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:13:45,591 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:13:45,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:13:45,706 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:13:45,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:45 WrapperNode [2020-12-01 16:13:45,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:13:45,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:13:45,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:13:45,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:13:45,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:45" (1/1) ... [2020-12-01 16:13:45,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:45" (1/1) ... [2020-12-01 16:13:45,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:13:45,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:13:45,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:13:45,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:13:45,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:45" (1/1) ... [2020-12-01 16:13:45,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:45" (1/1) ... [2020-12-01 16:13:45,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:45" (1/1) ... [2020-12-01 16:13:45,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:45" (1/1) ... [2020-12-01 16:13:45,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:45" (1/1) ... [2020-12-01 16:13:45,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:45" (1/1) ... [2020-12-01 16:13:45,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:45" (1/1) ... [2020-12-01 16:13:45,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:13:45,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:13:45,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:13:45,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:13:45,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16acb616-f5cc-4772-800c-fdeda9f7c693/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:13:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:13:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:13:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:13:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:13:46,727 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:13:46,728 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-12-01 16:13:46,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:13:46 BoogieIcfgContainer [2020-12-01 16:13:46,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:13:46,733 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:13:46,733 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:13:46,749 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:13:46,750 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:13:46" (1/1) ... [2020-12-01 16:13:46,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:13:46,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:46,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2020-12-01 16:13:46,820 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2020-12-01 16:13:46,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:13:46,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:47,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:47,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:47,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2020-12-01 16:13:47,136 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2020-12-01 16:13:47,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:13:47,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:47,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2020-12-01 16:13:47,368 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2020-12-01 16:13:47,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:13:47,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:47,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:47,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2020-12-01 16:13:47,485 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2020-12-01 16:13:47,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:13:47,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:47,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:47,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 82 states and 141 transitions. [2020-12-01 16:13:47,790 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2020-12-01 16:13:47,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:13:47,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 91 states and 160 transitions. [2020-12-01 16:13:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 160 transitions. [2020-12-01 16:13:48,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:13:48,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:48,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:48,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 92 states and 160 transitions. [2020-12-01 16:13:48,222 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 160 transitions. [2020-12-01 16:13:48,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:13:48,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:48,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:48,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 172 transitions. [2020-12-01 16:13:48,455 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 172 transitions. [2020-12-01 16:13:48,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:13:48,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:48,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:48,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 103 states and 177 transitions. [2020-12-01 16:13:48,512 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 177 transitions. [2020-12-01 16:13:48,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:13:48,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:48,556 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:48,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 106 states and 191 transitions. [2020-12-01 16:13:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 191 transitions. [2020-12-01 16:13:48,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:13:48,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:49,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:49,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 109 states and 202 transitions. [2020-12-01 16:13:49,016 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 202 transitions. [2020-12-01 16:13:49,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:13:49,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:49,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:49,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 110 states and 203 transitions. [2020-12-01 16:13:49,141 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 203 transitions. [2020-12-01 16:13:49,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:13:49,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:49,171 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:49,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:49,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 119 states and 225 transitions. [2020-12-01 16:13:49,310 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 225 transitions. [2020-12-01 16:13:49,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:13:49,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:49,385 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:13:49,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:49,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 122 states and 234 transitions. [2020-12-01 16:13:49,764 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 234 transitions. [2020-12-01 16:13:49,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:13:49,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:49,813 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:50,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 127 states and 249 transitions. [2020-12-01 16:13:50,188 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 249 transitions. [2020-12-01 16:13:50,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:13:50,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:50,213 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:50,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:50,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 130 states and 253 transitions. [2020-12-01 16:13:50,233 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 253 transitions. [2020-12-01 16:13:50,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:13:50,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:50,280 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:50,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:50,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 135 states and 264 transitions. [2020-12-01 16:13:50,559 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 264 transitions. [2020-12-01 16:13:50,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:13:50,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:13:50,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:50,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 135 states and 260 transitions. [2020-12-01 16:13:50,724 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 260 transitions. [2020-12-01 16:13:50,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:13:50,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:50,832 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:51,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:51,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 146 states and 282 transitions. [2020-12-01 16:13:51,156 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 282 transitions. [2020-12-01 16:13:51,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:13:51,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:51,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:51,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 149 states and 285 transitions. [2020-12-01 16:13:51,234 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 285 transitions. [2020-12-01 16:13:51,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:13:51,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:51,325 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:51,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:51,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 161 states and 308 transitions. [2020-12-01 16:13:51,734 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 308 transitions. [2020-12-01 16:13:51,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:13:51,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:51,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:51,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 315 transitions. [2020-12-01 16:13:51,832 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 315 transitions. [2020-12-01 16:13:51,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:13:51,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:51,867 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:51,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:51,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 165 states and 317 transitions. [2020-12-01 16:13:51,908 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 317 transitions. [2020-12-01 16:13:51,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:13:51,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:52,006 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:52,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:52,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 171 states and 331 transitions. [2020-12-01 16:13:52,398 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 331 transitions. [2020-12-01 16:13:52,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:13:52,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:52,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:52,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 173 states and 340 transitions. [2020-12-01 16:13:52,499 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 340 transitions. [2020-12-01 16:13:52,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:13:52,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:13:52,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:52,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 173 states and 339 transitions. [2020-12-01 16:13:52,681 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 339 transitions. [2020-12-01 16:13:52,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:13:52,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:52,746 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:13:52,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:52,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 173 states and 338 transitions. [2020-12-01 16:13:52,766 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 338 transitions. [2020-12-01 16:13:52,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:13:52,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:52,816 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:13:52,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:52,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 173 states and 333 transitions. [2020-12-01 16:13:52,927 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 333 transitions. [2020-12-01 16:13:52,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:13:52,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:52,963 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:13:52,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:52,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 173 states and 328 transitions. [2020-12-01 16:13:52,993 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 328 transitions. [2020-12-01 16:13:52,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:13:52,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:53,020 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:13:53,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:53,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 173 states and 323 transitions. [2020-12-01 16:13:53,052 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 323 transitions. [2020-12-01 16:13:53,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:13:53,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:13:53,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:53,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 174 states and 322 transitions. [2020-12-01 16:13:53,309 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 322 transitions. [2020-12-01 16:13:53,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:13:53,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:53,355 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:13:53,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:53,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 174 states and 321 transitions. [2020-12-01 16:13:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 321 transitions. [2020-12-01 16:13:53,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:13:53,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:13:53,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:53,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 174 states and 318 transitions. [2020-12-01 16:13:53,581 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 318 transitions. [2020-12-01 16:13:53,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:13:53,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:53,617 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:13:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 174 states and 315 transitions. [2020-12-01 16:13:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 315 transitions. [2020-12-01 16:13:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:13:53,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:53,683 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:13:53,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:53,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 174 states and 314 transitions. [2020-12-01 16:13:53,703 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 314 transitions. [2020-12-01 16:13:53,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:13:53,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:53,743 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:13:53,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 174 states and 313 transitions. [2020-12-01 16:13:53,760 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 313 transitions. [2020-12-01 16:13:53,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:13:53,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:53,785 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:13:53,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:53,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2020-12-01 16:13:53,807 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2020-12-01 16:13:53,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:13:53,808 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2020-12-01 16:13:53,820 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:13:54,058 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2020-12-01 16:13:54,074 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:13:54,074 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 16:13:54,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:13:54 ImpRootNode [2020-12-01 16:13:54,075 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:13:54,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:13:54,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:13:54,076 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:13:54,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:13:46" (3/4) ... [2020-12-01 16:13:54,082 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:13:54,114 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 16:13:54,114 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 16:13:54,114 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:13:54,114 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:13:54,195 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_16acb616-f5cc-4772-800c-fdeda9f7c693/bin/ukojak/witness.graphml [2020-12-01 16:13:54,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:13:54,198 INFO L168 Benchmark]: Toolchain (without parser) took 8982.03 ms. Allocated memory was 79.7 MB in the beginning and 172.0 MB in the end (delta: 92.3 MB). Free memory was 48.3 MB in the beginning and 120.3 MB in the end (delta: -71.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:13:54,198 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 79.7 MB. Free memory was 39.0 MB in the beginning and 38.9 MB in the end (delta: 37.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:13:54,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.78 ms. Allocated memory was 79.7 MB in the beginning and 113.2 MB in the end (delta: 33.6 MB). Free memory was 48.1 MB in the beginning and 89.6 MB in the end (delta: -41.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:13:54,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.31 ms. Allocated memory is still 113.2 MB. Free memory was 89.6 MB in the beginning and 87.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:13:54,206 INFO L168 Benchmark]: Boogie Preprocessor took 83.17 ms. Allocated memory is still 113.2 MB. Free memory was 87.5 MB in the beginning and 86.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:13:54,209 INFO L168 Benchmark]: RCFGBuilder took 825.26 ms. Allocated memory is still 113.2 MB. Free memory was 86.0 MB in the beginning and 56.0 MB in the end (delta: 30.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:13:54,210 INFO L168 Benchmark]: CodeCheck took 7342.23 ms. Allocated memory was 113.2 MB in the beginning and 172.0 MB in the end (delta: 58.7 MB). Free memory was 55.4 MB in the beginning and 123.4 MB in the end (delta: -68.0 MB). Peak memory consumption was 65.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:13:54,210 INFO L168 Benchmark]: Witness Printer took 119.41 ms. Allocated memory is still 172.0 MB. Free memory was 122.4 MB in the beginning and 120.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:13:54,214 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, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.0s, OverallIterations: 37, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1477218976 SDtfs, 1411276928 SDslu, 1585485852 SDs, 0 SdLazy, -1411179212 SolverSat, 1821270272 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10476 GetRequests, 10279 SyntacticMatches, 89 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6373 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 975 NumberOfCodeBlocks, 975 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 939 ConstructedInterpolants, 0 QuantifiedInterpolants, 52324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 35 PerfectInterpolantSequences, 401/403 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: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((3 == this_state && q == 4) || q == 0) || (q == 3 && 2 == this_state)) || (this_state == 0 && q == 2) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: q == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 79.7 MB. Free memory was 39.0 MB in the beginning and 38.9 MB in the end (delta: 37.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 492.78 ms. Allocated memory was 79.7 MB in the beginning and 113.2 MB in the end (delta: 33.6 MB). Free memory was 48.1 MB in the beginning and 89.6 MB in the end (delta: -41.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.31 ms. Allocated memory is still 113.2 MB. Free memory was 89.6 MB in the beginning and 87.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.17 ms. Allocated memory is still 113.2 MB. Free memory was 87.5 MB in the beginning and 86.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 825.26 ms. Allocated memory is still 113.2 MB. Free memory was 86.0 MB in the beginning and 56.0 MB in the end (delta: 30.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * CodeCheck took 7342.23 ms. Allocated memory was 113.2 MB in the beginning and 172.0 MB in the end (delta: 58.7 MB). Free memory was 55.4 MB in the beginning and 123.4 MB in the end (delta: -68.0 MB). Peak memory consumption was 65.7 MB. Max. memory is 16.1 GB. * Witness Printer took 119.41 ms. Allocated memory is still 172.0 MB. Free memory was 122.4 MB in the beginning and 120.3 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 correct! Received shutdown request...