./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i --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_6bf69676-9076-4dba-9cc4-c864ad17635d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6bf69676-9076-4dba-9cc4-c864ad17635d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6bf69676-9076-4dba-9cc4-c864ad17635d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6bf69676-9076-4dba-9cc4-c864ad17635d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6bf69676-9076-4dba-9cc4-c864ad17635d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6bf69676-9076-4dba-9cc4-c864ad17635d/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 2d5e1e94b71e060a77443e2afd511bc50cc1649d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:23:27,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:23:27,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:23:27,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:23:27,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:23:27,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:23:27,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:23:27,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:23:27,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:23:27,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:23:27,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:23:27,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:23:27,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:23:27,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:23:27,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:23:27,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:23:27,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:23:27,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:23:27,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:23:27,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:23:27,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:23:27,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:23:27,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:23:27,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:23:27,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:23:27,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:23:27,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:23:27,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:23:27,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:23:27,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:23:27,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:23:27,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:23:27,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:23:27,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:23:27,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:23:27,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:23:27,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:23:27,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:23:27,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:23:27,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:23:27,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:23:27,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6bf69676-9076-4dba-9cc4-c864ad17635d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 22:23:27,442 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:23:27,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:23:27,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 22:23:27,443 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 22:23:27,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:23:27,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:23:27,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:23:27,445 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:23:27,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:23:27,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:23:27,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:23:27,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:23:27,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:23:27,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:23:27,446 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:23:27,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:23:27,447 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:23:27,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:23:27,447 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 22:23:27,447 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 22:23:27,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:23:27,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:23:27,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 22:23:27,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:23:27,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:23:27,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:23:27,449 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 22:23:27,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:23:27,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:23:27,449 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_6bf69676-9076-4dba-9cc4-c864ad17635d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6bf69676-9076-4dba-9cc4-c864ad17635d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d5e1e94b71e060a77443e2afd511bc50cc1649d [2020-11-29 22:23:27,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:23:27,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:23:27,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:23:27,753 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:23:27,754 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:23:27,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6bf69676-9076-4dba-9cc4-c864ad17635d/bin/ukojak/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2020-11-29 22:23:27,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6bf69676-9076-4dba-9cc4-c864ad17635d/bin/ukojak/data/76cac7007/67770df533db4f1488130b407f414ae3/FLAG13e14e2c8 [2020-11-29 22:23:28,286 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:23:28,294 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6bf69676-9076-4dba-9cc4-c864ad17635d/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2020-11-29 22:23:28,300 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6bf69676-9076-4dba-9cc4-c864ad17635d/bin/ukojak/data/76cac7007/67770df533db4f1488130b407f414ae3/FLAG13e14e2c8 [2020-11-29 22:23:28,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6bf69676-9076-4dba-9cc4-c864ad17635d/bin/ukojak/data/76cac7007/67770df533db4f1488130b407f414ae3 [2020-11-29 22:23:28,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:23:28,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:23:28,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:23:28,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:23:28,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:23:28,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:23:28" (1/1) ... [2020-11-29 22:23:28,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452b210b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:23:28, skipping insertion in model container [2020-11-29 22:23:28,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:23:28" (1/1) ... [2020-11-29 22:23:28,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:23:28,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:23:28,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:23:28,869 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:23:28,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:23:28,939 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:23:28,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:23:28 WrapperNode [2020-11-29 22:23:28,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:23:28,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:23:28,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:23:28,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:23:28,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:23:28" (1/1) ... [2020-11-29 22:23:28,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:23:28" (1/1) ... [2020-11-29 22:23:28,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:23:28,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:23:28,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:23:28,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:23:28,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:23:28" (1/1) ... [2020-11-29 22:23:28,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:23:28" (1/1) ... [2020-11-29 22:23:28,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:23:28" (1/1) ... [2020-11-29 22:23:28,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:23:28" (1/1) ... [2020-11-29 22:23:28,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:23:28" (1/1) ... [2020-11-29 22:23:29,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:23:28" (1/1) ... [2020-11-29 22:23:29,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:23:28" (1/1) ... [2020-11-29 22:23:29,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:23:29,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:23:29,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:23:29,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:23:29,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:23:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6bf69676-9076-4dba-9cc4-c864ad17635d/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 22:23:29,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:23:29,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:23:29,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:23:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:23:29,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-29 22:23:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-29 22:23:29,612 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:23:29,612 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-29 22:23:29,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:23:29 BoogieIcfgContainer [2020-11-29 22:23:29,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:23:29,616 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 22:23:29,616 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 22:23:29,625 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 22:23:29,625 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:23:29" (1/1) ... [2020-11-29 22:23:29,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:29,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:29,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2020-11-29 22:23:29,671 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2020-11-29 22:23:29,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 22:23:29,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:29,823 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 22:23:29,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:29,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2020-11-29 22:23:29,836 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2020-11-29 22:23:29,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 22:23:29,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:29,940 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 22:23:30,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:30,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 84 transitions. [2020-11-29 22:23:30,206 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2020-11-29 22:23:30,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 22:23:30,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:23:30,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:30,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 86 transitions. [2020-11-29 22:23:30,286 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2020-11-29 22:23:30,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 22:23:30,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:30,324 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 22:23:30,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:30,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 86 transitions. [2020-11-29 22:23:30,351 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2020-11-29 22:23:30,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 22:23:30,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:23:30,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:30,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 50 states and 89 transitions. [2020-11-29 22:23:30,683 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2020-11-29 22:23:30,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 22:23:30,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:23:30,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:30,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 98 transitions. [2020-11-29 22:23:30,969 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 98 transitions. [2020-11-29 22:23:30,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 22:23:30,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:31,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:23:31,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:31,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 57 states and 102 transitions. [2020-11-29 22:23:31,055 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 102 transitions. [2020-11-29 22:23:31,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 22:23:31,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:31,091 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:23:31,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:31,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 57 states and 101 transitions. [2020-11-29 22:23:31,109 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 101 transitions. [2020-11-29 22:23:31,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 22:23:31,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:23:31,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:31,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 110 transitions. [2020-11-29 22:23:31,208 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 110 transitions. [2020-11-29 22:23:31,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 22:23:31,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:31,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:23:31,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:31,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 62 states and 112 transitions. [2020-11-29 22:23:31,322 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2020-11-29 22:23:31,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 22:23:31,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:31,393 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:23:31,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 120 transitions. [2020-11-29 22:23:31,423 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 120 transitions. [2020-11-29 22:23:31,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 22:23:31,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:23:31,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:31,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 66 states and 122 transitions. [2020-11-29 22:23:31,506 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 122 transitions. [2020-11-29 22:23:31,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 22:23:31,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:31,564 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:23:31,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:31,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 123 transitions. [2020-11-29 22:23:31,578 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 123 transitions. [2020-11-29 22:23:31,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 22:23:31,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:31,636 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:23:31,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:31,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 68 states and 125 transitions. [2020-11-29 22:23:31,655 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2020-11-29 22:23:31,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 22:23:31,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:31,695 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 22:23:31,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:31,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 126 transitions. [2020-11-29 22:23:31,843 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 126 transitions. [2020-11-29 22:23:31,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 22:23:31,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:32,055 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 22:23:32,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 75 states and 136 transitions. [2020-11-29 22:23:32,837 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 136 transitions. [2020-11-29 22:23:32,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 22:23:32,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 22:23:32,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:32,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 77 states and 140 transitions. [2020-11-29 22:23:32,970 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 140 transitions. [2020-11-29 22:23:32,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 22:23:32,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:33,062 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 22:23:33,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 84 states and 156 transitions. [2020-11-29 22:23:33,155 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 156 transitions. [2020-11-29 22:23:33,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 22:23:33,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:33,244 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 22:23:33,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:33,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 161 transitions. [2020-11-29 22:23:33,281 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2020-11-29 22:23:33,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 22:23:33,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:33,346 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 22:23:33,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:33,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 87 states and 162 transitions. [2020-11-29 22:23:33,367 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 162 transitions. [2020-11-29 22:23:33,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 22:23:33,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:33,445 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 22:23:33,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 89 states and 167 transitions. [2020-11-29 22:23:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 167 transitions. [2020-11-29 22:23:33,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 22:23:33,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:33,536 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-29 22:23:33,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:33,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 92 states and 172 transitions. [2020-11-29 22:23:33,614 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 172 transitions. [2020-11-29 22:23:33,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 22:23:33,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:33,721 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-29 22:23:34,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:34,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 95 states and 178 transitions. [2020-11-29 22:23:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 178 transitions. [2020-11-29 22:23:34,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 22:23:34,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:34,231 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:23:34,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:34,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 99 states and 185 transitions. [2020-11-29 22:23:34,543 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 185 transitions. [2020-11-29 22:23:34,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 22:23:34,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:34,568 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-11-29 22:23:34,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:34,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 102 states and 190 transitions. [2020-11-29 22:23:34,779 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 190 transitions. [2020-11-29 22:23:34,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 22:23:34,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:34,796 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 22:23:34,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:34,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 103 states and 192 transitions. [2020-11-29 22:23:34,860 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 192 transitions. [2020-11-29 22:23:34,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 22:23:34,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:34,918 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-29 22:23:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:35,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 104 states and 193 transitions. [2020-11-29 22:23:35,053 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 193 transitions. [2020-11-29 22:23:35,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 22:23:35,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-29 22:23:35,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:35,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 105 states and 194 transitions. [2020-11-29 22:23:35,180 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 194 transitions. [2020-11-29 22:23:35,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 22:23:35,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:35,241 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-29 22:23:35,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:35,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 107 states and 198 transitions. [2020-11-29 22:23:35,293 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 198 transitions. [2020-11-29 22:23:35,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 22:23:35,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:35,312 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-29 22:23:35,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:35,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 107 states and 197 transitions. [2020-11-29 22:23:35,340 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 197 transitions. [2020-11-29 22:23:35,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 22:23:35,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:35,475 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-29 22:23:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:36,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 111 states and 205 transitions. [2020-11-29 22:23:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 205 transitions. [2020-11-29 22:23:36,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 22:23:36,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:36,322 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 22:23:36,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:36,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 116 states and 211 transitions. [2020-11-29 22:23:36,631 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 211 transitions. [2020-11-29 22:23:36,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 22:23:36,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 22:23:36,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:36,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 117 states and 211 transitions. [2020-11-29 22:23:36,752 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 211 transitions. [2020-11-29 22:23:36,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 22:23:36,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:36,772 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 22:23:37,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:37,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 122 states and 219 transitions. [2020-11-29 22:23:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 219 transitions. [2020-11-29 22:23:37,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 22:23:37,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:37,043 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 22:23:37,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:37,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 124 states and 222 transitions. [2020-11-29 22:23:37,127 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2020-11-29 22:23:37,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 22:23:37,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:37,153 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 22:23:37,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:37,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 125 states and 223 transitions. [2020-11-29 22:23:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 223 transitions. [2020-11-29 22:23:37,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 22:23:37,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 22:23:37,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:37,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 127 states and 226 transitions. [2020-11-29 22:23:37,294 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2020-11-29 22:23:37,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 22:23:37,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:37,391 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-29 22:23:37,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:37,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 130 states and 232 transitions. [2020-11-29 22:23:37,448 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 232 transitions. [2020-11-29 22:23:37,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 22:23:37,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-29 22:23:37,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:37,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 128 states and 227 transitions. [2020-11-29 22:23:37,578 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 227 transitions. [2020-11-29 22:23:37,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 22:23:37,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:37,597 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-11-29 22:23:37,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:37,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 129 states and 229 transitions. [2020-11-29 22:23:37,845 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 229 transitions. [2020-11-29 22:23:37,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 22:23:37,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:37,930 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-29 22:23:38,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:38,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 130 states and 230 transitions. [2020-11-29 22:23:38,108 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 230 transitions. [2020-11-29 22:23:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 22:23:38,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:38,126 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-11-29 22:23:38,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:38,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 129 states and 227 transitions. [2020-11-29 22:23:38,361 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 227 transitions. [2020-11-29 22:23:38,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 22:23:38,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-11-29 22:23:38,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:38,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 123 states and 217 transitions. [2020-11-29 22:23:38,458 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 217 transitions. [2020-11-29 22:23:38,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 22:23:38,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:38,496 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-29 22:23:38,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:38,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 124 states and 218 transitions. [2020-11-29 22:23:38,662 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 218 transitions. [2020-11-29 22:23:38,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 22:23:38,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:38,701 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-29 22:23:38,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:38,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 118 states and 209 transitions. [2020-11-29 22:23:38,878 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 209 transitions. [2020-11-29 22:23:38,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 22:23:38,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:38,919 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-29 22:23:39,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:39,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 92 states and 148 transitions. [2020-11-29 22:23:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 148 transitions. [2020-11-29 22:23:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 22:23:39,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-29 22:23:39,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:39,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 90 states and 145 transitions. [2020-11-29 22:23:39,276 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 145 transitions. [2020-11-29 22:23:39,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 22:23:39,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:39,304 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-11-29 22:23:39,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:39,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 92 states and 149 transitions. [2020-11-29 22:23:39,345 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 149 transitions. [2020-11-29 22:23:39,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 22:23:39,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:39,366 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 44 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-11-29 22:23:39,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:39,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 84 states and 137 transitions. [2020-11-29 22:23:39,403 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 137 transitions. [2020-11-29 22:23:39,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 22:23:39,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:39,426 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 30 proven. 4 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-11-29 22:23:39,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:39,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 83 states and 135 transitions. [2020-11-29 22:23:39,461 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2020-11-29 22:23:39,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 22:23:39,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:23:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:39,494 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 30 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-29 22:23:39,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:23:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 64 states and 108 transitions. [2020-11-29 22:23:39,510 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2020-11-29 22:23:39,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:23:39,511 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2020-11-29 22:23:39,519 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 22:23:39,934 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:23:39,937 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:23:39,937 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:23:39,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 10:23:39 ImpRootNode [2020-11-29 22:23:39,938 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 22:23:39,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:23:39,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:23:39,939 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:23:39,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:23:29" (3/4) ... [2020-11-29 22:23:39,942 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:23:39,948 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2020-11-29 22:23:39,953 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-29 22:23:39,953 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 22:23:39,953 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 22:23:39,954 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:23:40,024 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6bf69676-9076-4dba-9cc4-c864ad17635d/bin/ukojak/witness.graphml [2020-11-29 22:23:40,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:23:40,027 INFO L168 Benchmark]: Toolchain (without parser) took 11356.57 ms. Allocated memory was 77.6 MB in the beginning and 211.8 MB in the end (delta: 134.2 MB). Free memory was 44.1 MB in the beginning and 133.5 MB in the end (delta: -89.4 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:23:40,027 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 77.6 MB. Free memory was 50.0 MB in the beginning and 50.0 MB in the end (delta: 27.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:23:40,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.79 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 43.9 MB in the beginning and 75.5 MB in the end (delta: -31.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:23:40,029 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.41 ms. Allocated memory is still 98.6 MB. Free memory was 75.5 MB in the beginning and 74.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:23:40,029 INFO L168 Benchmark]: Boogie Preprocessor took 27.53 ms. Allocated memory is still 98.6 MB. Free memory was 74.0 MB in the beginning and 72.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:23:40,030 INFO L168 Benchmark]: RCFGBuilder took 607.72 ms. Allocated memory is still 98.6 MB. Free memory was 72.8 MB in the beginning and 54.8 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:23:40,031 INFO L168 Benchmark]: CodeCheck took 10322.35 ms. Allocated memory was 98.6 MB in the beginning and 211.8 MB in the end (delta: 113.2 MB). Free memory was 54.5 MB in the beginning and 136.6 MB in the end (delta: -82.1 MB). Peak memory consumption was 102.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:23:40,031 INFO L168 Benchmark]: Witness Printer took 86.52 ms. Allocated memory is still 211.8 MB. Free memory was 136.6 MB in the beginning and 133.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:23:40,035 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, 41 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.8s, OverallIterations: 52, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16842752 SDtfs, 1040842944 SDslu, -480460284 SDs, 0 SdLazy, -1199926064 SolverSat, 1063299048 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21821 GetRequests, 21309 SyntacticMatches, 400 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8246 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1841 NumberOfCodeBlocks, 1841 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1790 ConstructedInterpolants, 0 QuantifiedInterpolants, 165773 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 29 PerfectInterpolantSequences, 2053/2175 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: 12]: 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: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 77.6 MB. Free memory was 50.0 MB in the beginning and 50.0 MB in the end (delta: 27.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 265.79 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 43.9 MB in the beginning and 75.5 MB in the end (delta: -31.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.41 ms. Allocated memory is still 98.6 MB. Free memory was 75.5 MB in the beginning and 74.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.53 ms. Allocated memory is still 98.6 MB. Free memory was 74.0 MB in the beginning and 72.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 607.72 ms. Allocated memory is still 98.6 MB. Free memory was 72.8 MB in the beginning and 54.8 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 10322.35 ms. Allocated memory was 98.6 MB in the beginning and 211.8 MB in the end (delta: 113.2 MB). Free memory was 54.5 MB in the beginning and 136.6 MB in the end (delta: -82.1 MB). Peak memory consumption was 102.9 MB. Max. memory is 16.1 GB. * Witness Printer took 86.52 ms. Allocated memory is still 211.8 MB. Free memory was 136.6 MB in the beginning and 133.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...