./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/vogal-2.i --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_e9db0b1a-febd-4338-b915-63716c771de7/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e9db0b1a-febd-4338-b915-63716c771de7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e9db0b1a-febd-4338-b915-63716c771de7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e9db0b1a-febd-4338-b915-63716c771de7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/vogal-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e9db0b1a-febd-4338-b915-63716c771de7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e9db0b1a-febd-4338-b915-63716c771de7/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 f79bd25b041237a4a64ed7e5ba6946aea6d3a337 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:19:49,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:19:49,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:19:49,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:19:49,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:19:49,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:19:49,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:19:49,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:19:49,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:19:49,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:19:49,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:19:49,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:19:49,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:19:49,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:19:49,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:19:49,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:19:49,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:19:49,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:19:49,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:19:49,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:19:49,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:19:49,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:19:49,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:19:49,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:19:49,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:19:49,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:19:49,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:19:49,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:19:49,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:19:49,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:19:49,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:19:49,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:19:49,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:19:49,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:19:49,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:19:49,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:19:49,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:19:49,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:19:49,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:19:49,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:19:49,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:19:49,570 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e9db0b1a-febd-4338-b915-63716c771de7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:19:49,629 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:19:49,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:19:49,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:19:49,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:19:49,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:19:49,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:19:49,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:19:49,637 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:19:49,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:19:49,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:19:49,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:19:49,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:19:49,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:19:49,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:19:49,639 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:19:49,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:19:49,639 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:19:49,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:19:49,640 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:19:49,640 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:19:49,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:19:49,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:19:49,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:19:49,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:19:49,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:19:49,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:19:49,642 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:19:49,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:19:49,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:19:49,643 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_e9db0b1a-febd-4338-b915-63716c771de7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e9db0b1a-febd-4338-b915-63716c771de7/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f79bd25b041237a4a64ed7e5ba6946aea6d3a337 [2020-12-01 18:19:49,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:19:50,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:19:50,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:19:50,056 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:19:50,058 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:19:50,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e9db0b1a-febd-4338-b915-63716c771de7/bin/ukojak/../../sv-benchmarks/c/loops/vogal-2.i [2020-12-01 18:19:50,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9db0b1a-febd-4338-b915-63716c771de7/bin/ukojak/data/3bc6d523e/9573a531ded9431daf74ae4ed63ce010/FLAG6bd84dbbe [2020-12-01 18:19:50,793 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:19:50,794 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e9db0b1a-febd-4338-b915-63716c771de7/sv-benchmarks/c/loops/vogal-2.i [2020-12-01 18:19:50,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9db0b1a-febd-4338-b915-63716c771de7/bin/ukojak/data/3bc6d523e/9573a531ded9431daf74ae4ed63ce010/FLAG6bd84dbbe [2020-12-01 18:19:51,075 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e9db0b1a-febd-4338-b915-63716c771de7/bin/ukojak/data/3bc6d523e/9573a531ded9431daf74ae4ed63ce010 [2020-12-01 18:19:51,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:19:51,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:19:51,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:19:51,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:19:51,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:19:51,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:19:51" (1/1) ... [2020-12-01 18:19:51,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3505598c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:51, skipping insertion in model container [2020-12-01 18:19:51,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:19:51" (1/1) ... [2020-12-01 18:19:51,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:19:51,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:19:51,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:19:51,418 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:19:51,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:19:51,473 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:19:51,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:51 WrapperNode [2020-12-01 18:19:51,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:19:51,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:19:51,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:19:51,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:19:51,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:51" (1/1) ... [2020-12-01 18:19:51,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:51" (1/1) ... [2020-12-01 18:19:51,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:19:51,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:19:51,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:19:51,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:19:51,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:51" (1/1) ... [2020-12-01 18:19:51,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:51" (1/1) ... [2020-12-01 18:19:51,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:51" (1/1) ... [2020-12-01 18:19:51,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:51" (1/1) ... [2020-12-01 18:19:51,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:51" (1/1) ... [2020-12-01 18:19:51,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:51" (1/1) ... [2020-12-01 18:19:51,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:51" (1/1) ... [2020-12-01 18:19:51,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:19:51,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:19:51,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:19:51,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:19:51,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e9db0b1a-febd-4338-b915-63716c771de7/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 18:19:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:19:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:19:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 18:19:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:19:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:19:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 18:19:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 18:19:52,308 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:19:52,309 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-01 18:19:52,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:19:52 BoogieIcfgContainer [2020-12-01 18:19:52,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:19:52,313 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:19:52,313 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:19:52,328 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:19:52,341 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:19:52" (1/1) ... [2020-12-01 18:19:52,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:19:52,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:52,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2020-12-01 18:19:52,415 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2020-12-01 18:19:52,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:19:52,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:52,764 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 18:19:52,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:52,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2020-12-01 18:19:52,787 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2020-12-01 18:19:52,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:19:52,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:53,007 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 18:19:53,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:53,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2020-12-01 18:19:53,084 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2020-12-01 18:19:53,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:19:53,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:53,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:19:53,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:53,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2020-12-01 18:19:53,299 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2020-12-01 18:19:53,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:19:53,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:53,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:19:53,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:53,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2020-12-01 18:19:53,499 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2020-12-01 18:19:53,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:19:53,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:53,695 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:19:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2020-12-01 18:19:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2020-12-01 18:19:53,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:19:53,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:54,041 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:19:54,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:54,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2020-12-01 18:19:54,168 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2020-12-01 18:19:54,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:19:54,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:54,382 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:19:54,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2020-12-01 18:19:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2020-12-01 18:19:54,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:19:54,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:54,719 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:19:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2020-12-01 18:19:54,860 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2020-12-01 18:19:54,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:19:54,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:55,108 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:19:55,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:55,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2020-12-01 18:19:55,233 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2020-12-01 18:19:55,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:19:55,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:55,476 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:19:55,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:55,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2020-12-01 18:19:55,603 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2020-12-01 18:19:55,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:19:55,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:55,881 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:19:56,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:56,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2020-12-01 18:19:56,039 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-12-01 18:19:56,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:19:56,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:56,318 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:19:56,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:56,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2020-12-01 18:19:56,454 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2020-12-01 18:19:56,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:19:56,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:19:56,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2020-12-01 18:19:56,637 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2020-12-01 18:19:56,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:19:56,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:56,806 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:19:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2020-12-01 18:19:57,010 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2020-12-01 18:19:57,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:19:57,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:57,091 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:19:57,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:57,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2020-12-01 18:19:57,132 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2020-12-01 18:19:57,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:19:57,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:19:57,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:57,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2020-12-01 18:19:57,537 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2020-12-01 18:19:57,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:19:57,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:57,621 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:19:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:57,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2020-12-01 18:19:57,657 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2020-12-01 18:19:57,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:19:57,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:57,940 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:19:58,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:58,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2020-12-01 18:19:58,145 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2020-12-01 18:19:58,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:19:58,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:19:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2020-12-01 18:19:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2020-12-01 18:19:58,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:19:58,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:58,612 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:19:58,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2020-12-01 18:19:58,803 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2020-12-01 18:19:58,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:19:58,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:58,978 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:19:59,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2020-12-01 18:19:59,004 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2020-12-01 18:19:59,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:19:59,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:59,365 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:19:59,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:59,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2020-12-01 18:19:59,556 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2020-12-01 18:19:59,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:19:59,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:59,770 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:19:59,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:59,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2020-12-01 18:19:59,790 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2020-12-01 18:19:59,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:19:59,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:00,216 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:20:00,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:00,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2020-12-01 18:20:00,401 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2020-12-01 18:20:00,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:20:00,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:20:00,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2020-12-01 18:20:00,688 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2020-12-01 18:20:00,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:20:00,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:01,226 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:20:01,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:01,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2020-12-01 18:20:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2020-12-01 18:20:01,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:20:01,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:20:01,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:01,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2020-12-01 18:20:01,776 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2020-12-01 18:20:01,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:20:01,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:02,024 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-12-01 18:20:02,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:02,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2020-12-01 18:20:02,370 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2020-12-01 18:20:02,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:20:02,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:02,784 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:20:02,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:02,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2020-12-01 18:20:02,814 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2020-12-01 18:20:02,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:20:02,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:20:03,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:03,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2020-12-01 18:20:03,642 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2020-12-01 18:20:03,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:20:03,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:04,277 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 18:20:04,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 66 transitions. [2020-12-01 18:20:04,535 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2020-12-01 18:20:04,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:20:04,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-12-01 18:20:14,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:14,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 56 states and 69 transitions. [2020-12-01 18:20:14,861 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2020-12-01 18:20:14,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:20:14,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:16,759 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-12-01 18:20:19,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:19,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 59 states and 73 transitions. [2020-12-01 18:20:19,034 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2020-12-01 18:20:19,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 18:20:19,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-12-01 18:20:21,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:21,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2020-12-01 18:20:21,927 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2020-12-01 18:20:21,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 18:20:21,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:22,604 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-12-01 18:20:23,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:23,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 83 transitions. [2020-12-01 18:20:23,831 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2020-12-01 18:20:23,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:20:23,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:24,995 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-12-01 18:20:26,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:26,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 67 states and 86 transitions. [2020-12-01 18:20:26,635 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2020-12-01 18:20:26,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 18:20:26,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-12-01 18:20:28,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:28,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 89 transitions. [2020-12-01 18:20:28,858 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2020-12-01 18:20:28,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:20:28,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:30,106 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-12-01 18:20:31,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:31,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 71 states and 92 transitions. [2020-12-01 18:20:31,610 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2020-12-01 18:20:31,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:20:31,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:20:32,276 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:20:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:20:33,114 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:20:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:20:34,433 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:20:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:20:35,297 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:20:36,600 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 39 iterations. [2020-12-01 18:20:36,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:20:36 ImpRootNode [2020-12-01 18:20:36,713 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:20:36,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:20:36,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:20:36,714 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:20:36,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:19:52" (3/4) ... [2020-12-01 18:20:36,717 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 18:20:36,859 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e9db0b1a-febd-4338-b915-63716c771de7/bin/ukojak/witness.graphml [2020-12-01 18:20:36,859 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:20:36,861 INFO L168 Benchmark]: Toolchain (without parser) took 45777.65 ms. Allocated memory was 100.7 MB in the beginning and 446.7 MB in the end (delta: 346.0 MB). Free memory was 64.2 MB in the beginning and 251.0 MB in the end (delta: -186.8 MB). Peak memory consumption was 158.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:36,862 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 100.7 MB. Free memory is still 80.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:20:36,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.62 ms. Allocated memory is still 100.7 MB. Free memory was 64.0 MB in the beginning and 76.2 MB in the end (delta: -12.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:36,864 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.55 ms. Allocated memory is still 100.7 MB. Free memory was 76.2 MB in the beginning and 74.4 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:20:36,864 INFO L168 Benchmark]: Boogie Preprocessor took 37.33 ms. Allocated memory is still 100.7 MB. Free memory was 74.4 MB in the beginning and 72.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:36,865 INFO L168 Benchmark]: RCFGBuilder took 743.86 ms. Allocated memory is still 100.7 MB. Free memory was 72.8 MB in the beginning and 45.1 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:36,866 INFO L168 Benchmark]: CodeCheck took 44399.68 ms. Allocated memory was 100.7 MB in the beginning and 446.7 MB in the end (delta: 346.0 MB). Free memory was 45.1 MB in the beginning and 256.3 MB in the end (delta: -211.1 MB). Peak memory consumption was 136.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:36,867 INFO L168 Benchmark]: Witness Printer took 145.87 ms. Allocated memory is still 446.7 MB. Free memory was 256.3 MB in the beginning and 251.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:36,870 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, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 44.2s, OverallIterations: 39, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1342181376 SDtfs, 671103772 SDslu, 1073746620 SDs, 0 SdLazy, 1023458270 SolverSat, 352323210 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6671 GetRequests, 6167 SyntacticMatches, 224 SemanticMatches, 280 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37696 ImplicationChecksByTransitivity, 33.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 1065 NumberOfCodeBlocks, 1065 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 980 ConstructedInterpolants, 0 QuantifiedInterpolants, 78643 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 7 PerfectInterpolantSequences, 1929/2415 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L26] char string_entrada[10], vetor_vogais[]={'a','A','e','E','i','I','o','O','u','U','\0'}; [L27] unsigned int i,j,cont, tam_string, n_caracter; [L29] i=0 [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND FALSE !(i<10) [L32] string_entrada[10 -1]='\0' [L34] n_caracter = 0 [L35] EXPR string_entrada[n_caracter] [L35] COND TRUE string_entrada[n_caracter]!='\0' [L36] n_caracter++ [L35] EXPR string_entrada[n_caracter] [L35] COND FALSE !(string_entrada[n_caracter]!='\0') [L38] cont = 0 [L39] i=0 [L39] COND TRUE i