./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_63bd9732-ecbe-4ad0-b612-31c0f7a6303f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_63bd9732-ecbe-4ad0-b612-31c0f7a6303f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_63bd9732-ecbe-4ad0-b612-31c0f7a6303f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_63bd9732-ecbe-4ad0-b612-31c0f7a6303f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_63bd9732-ecbe-4ad0-b612-31c0f7a6303f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_63bd9732-ecbe-4ad0-b612-31c0f7a6303f/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 c6d41d2a2a28e240d9196f063199b00c22e981e9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:31:58,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:31:58,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:31:58,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:31:58,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:31:58,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:31:58,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:31:58,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:31:58,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:31:58,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:31:58,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:31:58,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:31:58,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:31:58,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:31:58,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:31:58,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:31:58,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:31:58,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:31:58,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:31:58,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:31:58,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:31:58,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:31:58,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:31:58,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:31:58,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:31:58,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:31:58,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:31:58,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:31:58,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:31:58,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:31:58,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:31:58,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:31:58,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:31:58,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:31:58,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:31:58,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:31:58,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:31:58,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:31:58,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:31:58,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:31:58,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:31:58,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_63bd9732-ecbe-4ad0-b612-31c0f7a6303f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 19:31:58,625 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:31:58,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:31:58,627 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 19:31:58,627 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 19:31:58,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:31:58,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:31:58,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:31:58,629 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:31:58,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:31:58,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:31:58,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:31:58,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:31:58,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:31:58,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:31:58,632 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:31:58,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:31:58,633 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:31:58,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:31:58,633 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 19:31:58,634 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 19:31:58,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:31:58,634 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:31:58,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 19:31:58,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:31:58,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:31:58,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:31:58,635 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 19:31:58,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:31:58,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:31:58,638 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_63bd9732-ecbe-4ad0-b612-31c0f7a6303f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_63bd9732-ecbe-4ad0-b612-31c0f7a6303f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6d41d2a2a28e240d9196f063199b00c22e981e9 [2020-11-29 19:31:59,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:31:59,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:31:59,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:31:59,079 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:31:59,080 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:31:59,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_63bd9732-ecbe-4ad0-b612-31c0f7a6303f/bin/ukojak/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2020-11-29 19:31:59,160 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63bd9732-ecbe-4ad0-b612-31c0f7a6303f/bin/ukojak/data/624a14f49/a602d57066c04fa2964e9a95ceeef2f7/FLAGa5c68d029 [2020-11-29 19:31:59,752 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:31:59,752 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_63bd9732-ecbe-4ad0-b612-31c0f7a6303f/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2020-11-29 19:31:59,764 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63bd9732-ecbe-4ad0-b612-31c0f7a6303f/bin/ukojak/data/624a14f49/a602d57066c04fa2964e9a95ceeef2f7/FLAGa5c68d029 [2020-11-29 19:32:00,105 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_63bd9732-ecbe-4ad0-b612-31c0f7a6303f/bin/ukojak/data/624a14f49/a602d57066c04fa2964e9a95ceeef2f7 [2020-11-29 19:32:00,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:32:00,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:32:00,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:32:00,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:32:00,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:32:00,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:32:00" (1/1) ... [2020-11-29 19:32:00,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e7acbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:32:00, skipping insertion in model container [2020-11-29 19:32:00,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:32:00" (1/1) ... [2020-11-29 19:32:00,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:32:00,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:32:00,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:32:00,377 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:32:00,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:32:00,427 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:32:00,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:32:00 WrapperNode [2020-11-29 19:32:00,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:32:00,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:32:00,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:32:00,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:32:00,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:32:00" (1/1) ... [2020-11-29 19:32:00,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:32:00" (1/1) ... [2020-11-29 19:32:00,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:32:00,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:32:00,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:32:00,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:32:00,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:32:00" (1/1) ... [2020-11-29 19:32:00,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:32:00" (1/1) ... [2020-11-29 19:32:00,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:32:00" (1/1) ... [2020-11-29 19:32:00,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:32:00" (1/1) ... [2020-11-29 19:32:00,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:32:00" (1/1) ... [2020-11-29 19:32:00,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:32:00" (1/1) ... [2020-11-29 19:32:00,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:32:00" (1/1) ... [2020-11-29 19:32:00,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:32:00,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:32:00,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:32:00,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:32:00,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:32:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63bd9732-ecbe-4ad0-b612-31c0f7a6303f/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 19:32:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-29 19:32:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-29 19:32:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:32:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:32:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:32:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:32:01,479 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:32:01,479 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-29 19:32:01,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:32:01 BoogieIcfgContainer [2020-11-29 19:32:01,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:32:01,486 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 19:32:01,486 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 19:32:01,499 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 19:32:01,499 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:32:01" (1/1) ... [2020-11-29 19:32:01,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:32:01,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:01,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2020-11-29 19:32:01,574 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2020-11-29 19:32:01,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 19:32:01,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:01,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:01,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:01,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2020-11-29 19:32:01,857 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2020-11-29 19:32:01,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 19:32:01,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:01,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:02,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:02,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2020-11-29 19:32:02,138 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2020-11-29 19:32:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 19:32:02,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:02,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 52 states and 77 transitions. [2020-11-29 19:32:02,674 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2020-11-29 19:32:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 19:32:02,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:02,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:02,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:02,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2020-11-29 19:32:02,969 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2020-11-29 19:32:02,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 19:32:02,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:03,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:04,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:04,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 96 transitions. [2020-11-29 19:32:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2020-11-29 19:32:04,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 19:32:04,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:04,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 59 states and 90 transitions. [2020-11-29 19:32:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2020-11-29 19:32:04,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 19:32:04,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:05,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:06,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:06,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 104 transitions. [2020-11-29 19:32:06,411 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2020-11-29 19:32:06,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 19:32:06,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:07,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:07,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 66 states and 101 transitions. [2020-11-29 19:32:07,393 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 101 transitions. [2020-11-29 19:32:07,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 19:32:07,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:07,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:08,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:08,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 72 states and 107 transitions. [2020-11-29 19:32:08,818 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2020-11-29 19:32:08,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 19:32:08,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:08,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 79 states and 114 transitions. [2020-11-29 19:32:10,834 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2020-11-29 19:32:10,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:32:10,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:11,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:14,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:14,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 82 states and 117 transitions. [2020-11-29 19:32:14,376 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2020-11-29 19:32:14,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:32:14,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:20,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 95 states and 141 transitions. [2020-11-29 19:32:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2020-11-29 19:32:20,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:32:20,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:20,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:22,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:22,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 100 states and 150 transitions. [2020-11-29 19:32:22,372 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 150 transitions. [2020-11-29 19:32:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:32:22,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:22,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:25,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:25,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 105 states and 157 transitions. [2020-11-29 19:32:25,144 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 157 transitions. [2020-11-29 19:32:25,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 19:32:25,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:25,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:34,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:34,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 119 states and 181 transitions. [2020-11-29 19:32:34,256 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 181 transitions. [2020-11-29 19:32:34,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 19:32:34,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:37,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:37,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 124 states and 186 transitions. [2020-11-29 19:32:37,505 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 186 transitions. [2020-11-29 19:32:37,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 19:32:37,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:37,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:32:37,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:37,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 125 states and 186 transitions. [2020-11-29 19:32:37,828 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 186 transitions. [2020-11-29 19:32:37,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 19:32:37,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:38,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:39,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:39,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 128 states and 190 transitions. [2020-11-29 19:32:39,816 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 190 transitions. [2020-11-29 19:32:39,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 19:32:39,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:40,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:42,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:42,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 131 states and 194 transitions. [2020-11-29 19:32:42,397 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 194 transitions. [2020-11-29 19:32:42,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 19:32:42,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:42,415 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:32:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:42,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 132 states and 194 transitions. [2020-11-29 19:32:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 194 transitions. [2020-11-29 19:32:42,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 19:32:42,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:42,861 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:32:50,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:50,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 141 states and 206 transitions. [2020-11-29 19:32:50,236 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 206 transitions. [2020-11-29 19:32:50,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:32:50,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:50,258 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:54,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:54,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 146 states and 212 transitions. [2020-11-29 19:32:54,748 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 212 transitions. [2020-11-29 19:32:54,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 19:32:54,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:00,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:33:00,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 151 states and 222 transitions. [2020-11-29 19:33:00,076 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2020-11-29 19:33:00,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 19:33:00,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:33:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:00,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:33:01,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:33:01,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 152 states and 222 transitions. [2020-11-29 19:33:01,218 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 222 transitions. [2020-11-29 19:33:01,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 19:33:01,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:33:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:01,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:33:03,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 154 states and 224 transitions. [2020-11-29 19:33:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 224 transitions. [2020-11-29 19:33:03,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 19:33:03,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:33:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:04,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:10,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:33:10,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 162 states and 248 transitions. [2020-11-29 19:33:10,913 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 248 transitions. [2020-11-29 19:33:10,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 19:33:10,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:33:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:14,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:33:14,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 164 states and 255 transitions. [2020-11-29 19:33:14,645 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 255 transitions. [2020-11-29 19:33:14,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 19:33:14,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:33:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:14,693 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:33:16,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:33:16,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 166 states and 256 transitions. [2020-11-29 19:33:16,792 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 256 transitions. [2020-11-29 19:33:16,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 19:33:16,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:33:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:17,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:19,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:33:19,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 167 states and 259 transitions. [2020-11-29 19:33:19,055 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 259 transitions. [2020-11-29 19:33:19,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 19:33:19,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:33:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:19,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:24,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:33:24,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 173 states and 278 transitions. [2020-11-29 19:33:24,152 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 278 transitions. [2020-11-29 19:33:24,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 19:33:24,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:33:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:24,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:36,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:33:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 183 states and 297 transitions. [2020-11-29 19:33:36,378 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 297 transitions. [2020-11-29 19:33:36,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 19:33:36,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:33:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:42,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:33:42,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 188 states and 306 transitions. [2020-11-29 19:33:42,883 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 306 transitions. [2020-11-29 19:33:42,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 19:33:42,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:33:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:43,154 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:33:50,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:33:50,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 193 states and 313 transitions. [2020-11-29 19:33:50,064 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 313 transitions. [2020-11-29 19:33:50,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 19:33:50,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:33:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:55,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:33:55,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 194 states and 316 transitions. [2020-11-29 19:33:55,619 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 316 transitions. [2020-11-29 19:33:55,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 19:33:55,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:33:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:55,648 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:02,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:34:02,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 199 states and 324 transitions. [2020-11-29 19:34:02,942 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 324 transitions. [2020-11-29 19:34:02,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 19:34:02,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:34:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:03,119 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:34:10,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:34:10,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 205 states and 337 transitions. [2020-11-29 19:34:10,638 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 337 transitions. [2020-11-29 19:34:10,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 19:34:10,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:34:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:10,667 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:34:20,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:34:20,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 205 states and 336 transitions. [2020-11-29 19:34:20,019 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 336 transitions. [2020-11-29 19:34:20,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 19:34:20,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:34:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:20,045 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:34:21,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:34:21,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 205 states and 335 transitions. [2020-11-29 19:34:21,868 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 335 transitions. [2020-11-29 19:34:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 19:34:21,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:34:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:22,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:37,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:34:37,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 213 states and 347 transitions. [2020-11-29 19:34:37,279 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 347 transitions. [2020-11-29 19:34:37,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 19:34:37,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:34:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:37,309 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:34:41,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:34:41,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 215 states and 354 transitions. [2020-11-29 19:34:41,646 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 354 transitions. [2020-11-29 19:34:41,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 19:34:41,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:34:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:43,669 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:35:21,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:35:21,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 223 states and 373 transitions. [2020-11-29 19:35:21,969 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 373 transitions. [2020-11-29 19:35:21,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 19:35:21,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:35:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:35:32,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:35:32,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 228 states and 377 transitions. [2020-11-29 19:35:32,248 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 377 transitions. [2020-11-29 19:35:32,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 19:35:32,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:35:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:32,280 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:35:51,828 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-11-29 19:35:57,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:35:57,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 231 states and 381 transitions. [2020-11-29 19:35:57,239 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 381 transitions. [2020-11-29 19:35:57,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 19:35:57,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:35:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:57,273 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:36:28,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:36:28,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 241 states and 394 transitions. [2020-11-29 19:36:28,240 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 394 transitions. [2020-11-29 19:36:28,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 19:36:28,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:36:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:36:39,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:36:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 246 states and 400 transitions. [2020-11-29 19:36:39,072 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 400 transitions. [2020-11-29 19:36:39,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 19:36:39,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:36:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:39,096 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:36:52,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:36:52,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 252 states and 416 transitions. [2020-11-29 19:36:52,246 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 416 transitions. [2020-11-29 19:36:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 19:36:52,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:36:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:52,279 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:36:55,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:36:55,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 252 states and 412 transitions. [2020-11-29 19:36:55,230 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 412 transitions. [2020-11-29 19:36:55,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 19:36:55,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:36:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:55,256 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-29 19:37:10,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:37:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 252 states and 411 transitions. [2020-11-29 19:37:10,969 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 411 transitions. [2020-11-29 19:37:10,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 19:37:10,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:37:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:37:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:37:32,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:37:32,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 260 states and 425 transitions. [2020-11-29 19:37:32,802 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 425 transitions. [2020-11-29 19:37:32,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 19:37:32,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:37:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:37:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-29 19:37:57,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:37:57,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 269 states and 435 transitions. [2020-11-29 19:37:57,753 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 435 transitions. [2020-11-29 19:37:57,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 19:37:57,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:37:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:37:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-29 19:38:07,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:38:07,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 272 states and 439 transitions. [2020-11-29 19:38:07,520 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 439 transitions. [2020-11-29 19:38:07,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 19:38:07,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:38:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:07,548 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-29 19:38:31,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:38:31,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 281 states and 449 transitions. [2020-11-29 19:38:31,075 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 449 transitions. [2020-11-29 19:38:31,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 19:38:31,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:38:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:31,105 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:38:44,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:38:44,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 285 states and 452 transitions. [2020-11-29 19:38:44,942 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 452 transitions. [2020-11-29 19:38:44,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 19:38:44,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:38:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-29 19:38:59,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:38:59,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2020-11-29 19:38:59,210 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2020-11-29 19:38:59,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:38:59,210 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 55 iterations. [2020-11-29 19:38:59,218 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 19:38:59,397 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-29 19:38:59,620 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2020-11-29 19:38:59,822 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2020-11-29 19:39:00,026 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-11-29 19:39:00,225 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2020-11-29 19:39:00,833 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-11-29 19:39:01,098 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2020-11-29 19:39:01,325 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-11-29 19:39:01,715 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-11-29 19:39:01,978 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2020-11-29 19:39:02,339 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2020-11-29 19:39:02,701 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2020-11-29 19:39:02,920 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2020-11-29 19:39:03,198 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2020-11-29 19:39:03,408 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-11-29 19:39:04,070 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-11-29 19:39:04,304 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2020-11-29 19:39:04,472 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 12 [2020-11-29 19:39:04,729 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2020-11-29 19:39:04,941 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-11-29 19:39:05,361 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2020-11-29 19:39:05,788 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2020-11-29 19:39:05,789 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:39:05,793 INFO L569 CodeCheckObserver]: Invariant with dag size 28 [2020-11-29 19:39:05,808 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2020-11-29 19:39:05,809 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2020-11-29 19:39:05,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 07:39:05 ImpRootNode [2020-11-29 19:39:05,811 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 19:39:05,811 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:39:05,812 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:39:05,812 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:39:05,812 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:32:01" (3/4) ... [2020-11-29 19:39:05,816 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:39:05,822 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2020-11-29 19:39:05,831 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 19:39:05,831 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 19:39:05,832 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:39:05,833 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:39:05,929 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_63bd9732-ecbe-4ad0-b612-31c0f7a6303f/bin/ukojak/witness.graphml [2020-11-29 19:39:05,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:39:05,931 INFO L168 Benchmark]: Toolchain (without parser) took 425820.50 ms. Allocated memory was 96.5 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 58.8 MB in the beginning and 464.1 MB in the end (delta: -405.3 MB). Peak memory consumption was 804.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:39:05,935 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory is still 76.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:39:05,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.43 ms. Allocated memory is still 96.5 MB. Free memory was 58.6 MB in the beginning and 47.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:39:05,937 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.25 ms. Allocated memory is still 96.5 MB. Free memory was 47.0 MB in the beginning and 45.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:39:05,937 INFO L168 Benchmark]: Boogie Preprocessor took 52.70 ms. Allocated memory is still 96.5 MB. Free memory was 45.1 MB in the beginning and 43.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:39:05,938 INFO L168 Benchmark]: RCFGBuilder took 933.11 ms. Allocated memory is still 96.5 MB. Free memory was 43.9 MB in the beginning and 57.3 MB in the end (delta: -13.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:39:05,938 INFO L168 Benchmark]: CodeCheck took 424325.28 ms. Allocated memory was 96.5 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 57.0 MB in the beginning and 470.4 MB in the end (delta: -413.4 MB). Peak memory consumption was 794.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:39:05,939 INFO L168 Benchmark]: Witness Printer took 117.69 ms. Allocated memory is still 1.3 GB. Free memory was 470.4 MB in the beginning and 464.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:39:05,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 417.6s, OverallIterations: 55, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 1924822448 SDslu, 1216027248 SDs, 0 SdLazy, -539301514 SolverSat, -1995989886 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 71.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14461 GetRequests, 12885 SyntacticMatches, 538 SemanticMatches, 1038 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459580 ImplicationChecksByTransitivity, 410.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 1441 NumberOfCodeBlocks, 1441 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 1387 ConstructedInterpolants, 0 QuantifiedInterpolants, 130936 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 26 PerfectInterpolantSequences, 286/564 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: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: (((((0 <= main__j && main__j + 5 <= main__bufsize) && main__len < main__i + 2) && 0 <= main__i) && main__i < main__len) || (((((main__j + 5 <= main__bufsize && 0 <= main__i) && !(main__i == 0)) && main__i + 2 <= main__len) && 1 <= main__j) && main__limit + 4 <= main__bufsize)) || (((((0 <= main__j && main__j + 5 <= main__bufsize) && 0 <= main__i) && main__j < 1) && main__i + 2 <= main__len) && main__limit + 4 <= main__bufsize) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: ((((0 <= main__j && 0 <= main__i) && main__j < 1) && main__limit + 4 <= main__bufsize) || ((((5 <= main__bufsize && 0 <= main__i) && !(main__i == 0)) && 1 <= main__j) && main__limit + 4 <= main__bufsize)) || main__len <= main__i - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (0 <= main__i && main__limit + 4 <= main__bufsize) || main__len <= main__i * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory is still 76.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 320.43 ms. Allocated memory is still 96.5 MB. Free memory was 58.6 MB in the beginning and 47.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.25 ms. Allocated memory is still 96.5 MB. Free memory was 47.0 MB in the beginning and 45.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.70 ms. Allocated memory is still 96.5 MB. Free memory was 45.1 MB in the beginning and 43.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 933.11 ms. Allocated memory is still 96.5 MB. Free memory was 43.9 MB in the beginning and 57.3 MB in the end (delta: -13.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * CodeCheck took 424325.28 ms. Allocated memory was 96.5 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 57.0 MB in the beginning and 470.4 MB in the end (delta: -413.4 MB). Peak memory consumption was 794.8 MB. Max. memory is 16.1 GB. * Witness Printer took 117.69 ms. Allocated memory is still 1.3 GB. Free memory was 470.4 MB in the beginning and 464.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...