./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_11.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_101cafe1-1bdd-4246-8cba-6d2df3962514/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_101cafe1-1bdd-4246-8cba-6d2df3962514/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_101cafe1-1bdd-4246-8cba-6d2df3962514/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_101cafe1-1bdd-4246-8cba-6d2df3962514/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_101cafe1-1bdd-4246-8cba-6d2df3962514/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_101cafe1-1bdd-4246-8cba-6d2df3962514/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 a93221bc263791497331acd2a7a0150037c621aa ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:50:17,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:50:17,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:50:17,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:50:17,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:50:17,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:50:17,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:50:17,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:50:17,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:50:17,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:50:17,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:50:17,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:50:17,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:50:17,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:50:17,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:50:17,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:50:17,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:50:17,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:50:17,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:50:17,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:50:17,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:50:17,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:50:17,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:50:17,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:50:17,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:50:17,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:50:17,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:50:17,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:50:17,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:50:17,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:50:17,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:50:17,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:50:17,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:50:17,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:50:17,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:50:17,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:50:17,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:50:17,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:50:17,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:50:17,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:50:17,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:50:17,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_101cafe1-1bdd-4246-8cba-6d2df3962514/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:50:17,527 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:50:17,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:50:17,528 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:50:17,529 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:50:17,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:50:17,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:50:17,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:50:17,531 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:50:17,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:50:17,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:50:17,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:50:17,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:50:17,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:50:17,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:50:17,533 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:50:17,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:50:17,533 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:50:17,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:50:17,534 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:50:17,534 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:50:17,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:50:17,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:50:17,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:50:17,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:50:17,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:50:17,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:50:17,536 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:50:17,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:50:17,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:50:17,537 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_101cafe1-1bdd-4246-8cba-6d2df3962514/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_101cafe1-1bdd-4246-8cba-6d2df3962514/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a93221bc263791497331acd2a7a0150037c621aa [2020-12-01 17:50:17,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:50:17,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:50:17,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:50:17,937 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:50:17,943 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:50:17,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_101cafe1-1bdd-4246-8cba-6d2df3962514/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_11.c [2020-12-01 17:50:18,059 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_101cafe1-1bdd-4246-8cba-6d2df3962514/bin/ukojak/data/7810e760c/db741775183a4a91b7249369304d1bb9/FLAGf1b8a7c79 [2020-12-01 17:50:18,801 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:50:18,807 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_101cafe1-1bdd-4246-8cba-6d2df3962514/sv-benchmarks/c/locks/test_locks_11.c [2020-12-01 17:50:18,826 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_101cafe1-1bdd-4246-8cba-6d2df3962514/bin/ukojak/data/7810e760c/db741775183a4a91b7249369304d1bb9/FLAGf1b8a7c79 [2020-12-01 17:50:19,125 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_101cafe1-1bdd-4246-8cba-6d2df3962514/bin/ukojak/data/7810e760c/db741775183a4a91b7249369304d1bb9 [2020-12-01 17:50:19,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:50:19,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:50:19,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:50:19,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:50:19,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:50:19,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:50:19" (1/1) ... [2020-12-01 17:50:19,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6626452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:50:19, skipping insertion in model container [2020-12-01 17:50:19,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:50:19" (1/1) ... [2020-12-01 17:50:19,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:50:19,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:50:19,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:50:19,448 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:50:19,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:50:19,500 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:50:19,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:50:19 WrapperNode [2020-12-01 17:50:19,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:50:19,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:50:19,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:50:19,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:50:19,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:50:19" (1/1) ... [2020-12-01 17:50:19,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:50:19" (1/1) ... [2020-12-01 17:50:19,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:50:19,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:50:19,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:50:19,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:50:19,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:50:19" (1/1) ... [2020-12-01 17:50:19,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:50:19" (1/1) ... [2020-12-01 17:50:19,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:50:19" (1/1) ... [2020-12-01 17:50:19,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:50:19" (1/1) ... [2020-12-01 17:50:19,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:50:19" (1/1) ... [2020-12-01 17:50:19,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:50:19" (1/1) ... [2020-12-01 17:50:19,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:50:19" (1/1) ... [2020-12-01 17:50:19,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:50:19,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:50:19,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:50:19,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:50:19,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:50:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_101cafe1-1bdd-4246-8cba-6d2df3962514/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:50:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:50:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:50:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:50:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:50:20,664 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:50:20,665 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 17:50:20,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:50:20 BoogieIcfgContainer [2020-12-01 17:50:20,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:50:20,670 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:50:20,673 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:50:20,691 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:50:20,691 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:50:20" (1/1) ... [2020-12-01 17:50:20,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:50:20,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:20,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2020-12-01 17:50:20,751 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2020-12-01 17:50:20,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:50:20,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:21,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:21,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:21,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2020-12-01 17:50:21,150 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2020-12-01 17:50:21,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:50:21,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:21,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:21,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:21,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2020-12-01 17:50:21,488 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2020-12-01 17:50:21,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:50:21,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:21,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:21,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:21,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2020-12-01 17:50:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2020-12-01 17:50:21,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:50:21,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:21,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:22,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:22,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2020-12-01 17:50:22,235 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2020-12-01 17:50:22,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:50:22,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:22,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2020-12-01 17:50:22,451 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2020-12-01 17:50:22,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:50:22,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:22,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:22,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2020-12-01 17:50:22,658 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2020-12-01 17:50:22,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:50:22,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:22,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:23,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:23,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2020-12-01 17:50:23,578 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2020-12-01 17:50:23,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:50:23,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:23,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:23,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:23,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2020-12-01 17:50:23,816 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2020-12-01 17:50:23,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:50:23,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:23,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:24,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:24,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2020-12-01 17:50:24,004 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2020-12-01 17:50:24,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:50:24,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:25,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:25,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2020-12-01 17:50:25,188 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2020-12-01 17:50:25,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:50:25,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:25,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:25,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:25,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2020-12-01 17:50:25,374 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2020-12-01 17:50:25,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:50:25,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:25,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:25,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:25,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2020-12-01 17:50:25,635 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2020-12-01 17:50:25,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:50:25,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:25,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:25,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:25,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2020-12-01 17:50:25,920 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2020-12-01 17:50:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:50:25,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:25,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:26,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:26,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2020-12-01 17:50:26,138 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2020-12-01 17:50:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:50:26,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:26,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:27,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2020-12-01 17:50:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2020-12-01 17:50:27,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:50:27,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:27,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:27,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:27,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2020-12-01 17:50:27,971 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2020-12-01 17:50:27,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:50:27,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:28,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:28,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2020-12-01 17:50:28,353 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2020-12-01 17:50:28,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:50:28,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:28,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:28,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2020-12-01 17:50:28,720 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2020-12-01 17:50:28,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:50:28,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:28,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:29,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:29,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2020-12-01 17:50:29,041 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2020-12-01 17:50:29,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:50:29,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:29,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:29,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2020-12-01 17:50:29,325 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2020-12-01 17:50:29,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:50:29,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:29,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:32,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:32,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2020-12-01 17:50:32,082 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2020-12-01 17:50:32,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:50:32,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:32,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:32,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:32,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2020-12-01 17:50:32,487 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2020-12-01 17:50:32,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:50:32,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:32,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:32,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:32,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2020-12-01 17:50:32,978 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2020-12-01 17:50:32,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:50:32,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:33,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:33,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:33,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2020-12-01 17:50:33,373 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2020-12-01 17:50:33,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:50:33,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:33,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:33,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:33,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2020-12-01 17:50:33,744 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2020-12-01 17:50:33,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:50:33,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:33,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:34,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions. [2020-12-01 17:50:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2020-12-01 17:50:34,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:50:34,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:34,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:37,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:37,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2020-12-01 17:50:37,103 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2020-12-01 17:50:37,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:50:37,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:37,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:37,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:37,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2020-12-01 17:50:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2020-12-01 17:50:37,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:50:37,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:37,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:37,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:37,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2020-12-01 17:50:37,874 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2020-12-01 17:50:37,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:50:37,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:38,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2020-12-01 17:50:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2020-12-01 17:50:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:50:38,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:38,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:38,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:38,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2020-12-01 17:50:38,804 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2020-12-01 17:50:38,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:50:38,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:38,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:39,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:39,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2020-12-01 17:50:39,272 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2020-12-01 17:50:39,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:50:39,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:39,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:39,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:39,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2020-12-01 17:50:39,807 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2020-12-01 17:50:39,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:50:39,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:40,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:40,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2020-12-01 17:50:40,202 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2020-12-01 17:50:40,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:50:40,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:40,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:44,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:44,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 48 states and 81 transitions. [2020-12-01 17:50:44,220 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 81 transitions. [2020-12-01 17:50:44,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:50:44,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:44,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:44,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:44,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2020-12-01 17:50:44,742 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2020-12-01 17:50:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:50:44,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:44,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:45,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:45,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2020-12-01 17:50:45,292 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2020-12-01 17:50:45,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:50:45,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:45,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:45,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2020-12-01 17:50:45,872 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2020-12-01 17:50:45,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:50:45,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:45,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:46,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:46,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2020-12-01 17:50:46,437 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2020-12-01 17:50:46,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:50:46,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:47,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:47,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2020-12-01 17:50:47,032 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2020-12-01 17:50:47,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:50:47,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:47,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:47,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:47,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2020-12-01 17:50:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2020-12-01 17:50:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:50:47,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:47,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:47,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 60 transitions. [2020-12-01 17:50:47,969 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 60 transitions. [2020-12-01 17:50:47,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:50:47,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:47,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:48,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:48,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2020-12-01 17:50:48,566 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2020-12-01 17:50:48,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:50:48,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:48,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:54,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:54,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2020-12-01 17:50:54,483 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2020-12-01 17:50:54,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:50:54,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:54,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:54,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:54,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 86 transitions. [2020-12-01 17:50:54,969 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2020-12-01 17:50:54,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:50:54,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:54,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:55,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:55,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2020-12-01 17:50:55,616 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2020-12-01 17:50:55,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:50:55,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:55,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:56,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:56,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2020-12-01 17:50:56,384 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2020-12-01 17:50:56,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:50:56,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:56,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:57,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2020-12-01 17:50:57,059 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2020-12-01 17:50:57,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:50:57,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:57,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2020-12-01 17:50:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2020-12-01 17:50:57,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:50:57,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:57,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:58,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:58,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2020-12-01 17:50:58,297 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2020-12-01 17:50:58,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:50:58,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:58,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:58,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 41 states and 62 transitions. [2020-12-01 17:50:58,843 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2020-12-01 17:50:58,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:50:58,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:58,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:50:59,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:50:59,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 62 transitions. [2020-12-01 17:50:59,463 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2020-12-01 17:50:59,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:50:59,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:50:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:50:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:07,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:07,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 53 states and 91 transitions. [2020-12-01 17:51:07,099 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2020-12-01 17:51:07,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:51:07,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:07,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:07,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 91 transitions. [2020-12-01 17:51:07,638 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2020-12-01 17:51:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:51:07,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:07,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:08,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:08,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2020-12-01 17:51:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2020-12-01 17:51:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:51:08,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:08,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:09,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:09,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2020-12-01 17:51:09,142 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2020-12-01 17:51:09,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:51:09,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:09,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:10,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:10,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2020-12-01 17:51:10,169 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2020-12-01 17:51:10,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:51:10,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:10,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:11,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2020-12-01 17:51:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2020-12-01 17:51:11,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:51:11,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:11,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:11,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2020-12-01 17:51:11,959 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2020-12-01 17:51:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:51:11,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:11,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:12,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:12,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2020-12-01 17:51:12,746 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2020-12-01 17:51:12,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:51:12,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:12,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:13,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:13,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2020-12-01 17:51:13,480 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2020-12-01 17:51:13,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:51:13,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:13,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:14,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:14,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2020-12-01 17:51:14,159 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2020-12-01 17:51:14,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:51:14,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:14,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:14,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:14,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2020-12-01 17:51:14,786 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2020-12-01 17:51:14,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:51:14,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:15,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:15,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2020-12-01 17:51:15,504 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-12-01 17:51:15,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:51:15,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:16,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:16,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2020-12-01 17:51:16,252 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2020-12-01 17:51:16,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:51:16,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:16,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:17,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:17,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2020-12-01 17:51:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2020-12-01 17:51:17,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:51:17,003 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 67 iterations. [2020-12-01 17:51:17,011 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:51:17,482 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:51:17,486 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:51:17,486 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:51:17,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:51:17 ImpRootNode [2020-12-01 17:51:17,486 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:51:17,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:51:17,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:51:17,487 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:51:17,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:50:20" (3/4) ... [2020-12-01 17:51:17,492 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:51:17,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-12-01 17:51:17,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 17:51:17,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 17:51:17,506 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:51:17,589 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_101cafe1-1bdd-4246-8cba-6d2df3962514/bin/ukojak/witness.graphml [2020-12-01 17:51:17,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:51:17,591 INFO L168 Benchmark]: Toolchain (without parser) took 58458.77 ms. Allocated memory was 127.9 MB in the beginning and 841.0 MB in the end (delta: 713.0 MB). Free memory was 99.5 MB in the beginning and 450.8 MB in the end (delta: -351.2 MB). Peak memory consumption was 361.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:51:17,592 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 47.8 MB in the beginning and 47.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:51:17,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.45 ms. Allocated memory is still 127.9 MB. Free memory was 99.2 MB in the beginning and 104.2 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:51:17,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.37 ms. Allocated memory is still 127.9 MB. Free memory was 103.8 MB in the beginning and 102.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:51:17,594 INFO L168 Benchmark]: Boogie Preprocessor took 30.88 ms. Allocated memory is still 127.9 MB. Free memory was 102.1 MB in the beginning and 100.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:51:17,594 INFO L168 Benchmark]: RCFGBuilder took 1081.44 ms. Allocated memory is still 127.9 MB. Free memory was 100.8 MB in the beginning and 99.9 MB in the end (delta: 866.9 kB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:51:17,595 INFO L168 Benchmark]: CodeCheck took 56815.99 ms. Allocated memory was 127.9 MB in the beginning and 841.0 MB in the end (delta: 713.0 MB). Free memory was 99.9 MB in the beginning and 454.9 MB in the end (delta: -355.0 MB). Peak memory consumption was 358.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:51:17,596 INFO L168 Benchmark]: Witness Printer took 102.19 ms. Allocated memory is still 841.0 MB. Free memory was 453.9 MB in the beginning and 450.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:51:17,599 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, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 56.2s, OverallIterations: 67, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -924518404 SDslu, 0 SDs, 0 SdLazy, -1495961608 SolverSat, -1042221060 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 44.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9028 GetRequests, 8544 SyntacticMatches, 0 SemanticMatches, 484 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111630 ImplicationChecksByTransitivity, 51.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 891 NumberOfCodeBlocks, 891 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 825 ConstructedInterpolants, 0 QuantifiedInterpolants, 57695 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 66 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: 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: 7]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 47.8 MB in the beginning and 47.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 368.45 ms. Allocated memory is still 127.9 MB. Free memory was 99.2 MB in the beginning and 104.2 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.37 ms. Allocated memory is still 127.9 MB. Free memory was 103.8 MB in the beginning and 102.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.88 ms. Allocated memory is still 127.9 MB. Free memory was 102.1 MB in the beginning and 100.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1081.44 ms. Allocated memory is still 127.9 MB. Free memory was 100.8 MB in the beginning and 99.9 MB in the end (delta: 866.9 kB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * CodeCheck took 56815.99 ms. Allocated memory was 127.9 MB in the beginning and 841.0 MB in the end (delta: 713.0 MB). Free memory was 99.9 MB in the beginning and 454.9 MB in the end (delta: -355.0 MB). Peak memory consumption was 358.2 MB. Max. memory is 16.1 GB. * Witness Printer took 102.19 ms. Allocated memory is still 841.0 MB. Free memory was 453.9 MB in the beginning and 450.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...