./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9a891d2e-7a54-4bcb-8213-4a6d932879f8/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9a891d2e-7a54-4bcb-8213-4a6d932879f8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9a891d2e-7a54-4bcb-8213-4a6d932879f8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9a891d2e-7a54-4bcb-8213-4a6d932879f8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_12.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9a891d2e-7a54-4bcb-8213-4a6d932879f8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9a891d2e-7a54-4bcb-8213-4a6d932879f8/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16b9ec98922e529d9b7488fe4b8a5dfd7426fa85 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:37:44,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:37:44,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:37:44,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:37:44,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:37:44,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:37:44,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:37:44,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:37:44,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:37:44,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:37:44,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:37:44,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:37:44,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:37:44,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:37:44,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:37:44,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:37:44,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:37:44,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:37:44,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:37:44,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:37:44,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:37:44,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:37:44,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:37:44,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:37:44,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:37:44,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:37:44,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:37:44,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:37:44,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:37:44,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:37:44,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:37:44,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:37:44,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:37:44,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:37:44,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:37:44,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:37:44,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:37:44,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:37:44,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:37:44,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:37:44,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:37:44,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9a891d2e-7a54-4bcb-8213-4a6d932879f8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 01:37:44,602 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:37:44,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:37:44,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 01:37:44,603 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 01:37:44,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:37:44,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:37:44,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:37:44,605 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:37:44,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:37:44,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:37:44,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:37:44,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:37:44,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:37:44,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:37:44,606 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:37:44,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:37:44,606 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:37:44,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:37:44,606 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 01:37:44,607 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 01:37:44,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:37:44,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:37:44,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 01:37:44,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:37:44,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:37:44,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:37:44,608 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 01:37:44,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:37:44,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:37:44,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9a891d2e-7a54-4bcb-8213-4a6d932879f8/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(__VERIFIER_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 -> 16b9ec98922e529d9b7488fe4b8a5dfd7426fa85 [2019-11-20 01:37:44,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:37:44,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:37:44,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:37:44,752 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:37:44,752 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:37:44,753 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9a891d2e-7a54-4bcb-8213-4a6d932879f8/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_12.c [2019-11-20 01:37:44,806 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a891d2e-7a54-4bcb-8213-4a6d932879f8/bin/ukojak/data/94e121ca1/7afd0dced22c4cf0b344936db09cba3e/FLAG3e77c6c78 [2019-11-20 01:37:45,208 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:37:45,209 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9a891d2e-7a54-4bcb-8213-4a6d932879f8/sv-benchmarks/c/locks/test_locks_12.c [2019-11-20 01:37:45,216 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a891d2e-7a54-4bcb-8213-4a6d932879f8/bin/ukojak/data/94e121ca1/7afd0dced22c4cf0b344936db09cba3e/FLAG3e77c6c78 [2019-11-20 01:37:45,226 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9a891d2e-7a54-4bcb-8213-4a6d932879f8/bin/ukojak/data/94e121ca1/7afd0dced22c4cf0b344936db09cba3e [2019-11-20 01:37:45,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:37:45,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:37:45,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:37:45,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:37:45,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:37:45,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e22ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45, skipping insertion in model container [2019-11-20 01:37:45,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,244 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:37:45,276 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:37:45,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:37:45,597 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:37:45,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:37:45,653 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:37:45,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45 WrapperNode [2019-11-20 01:37:45,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:37:45,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:37:45,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:37:45,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:37:45,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:37:45,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:37:45,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:37:45,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:37:45,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:37:45,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:37:45,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:37:45,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:37:45,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a891d2e-7a54-4bcb-8213-4a6d932879f8/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 [2019-11-20 01:37:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:37:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:37:46,382 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:37:46,382 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 01:37:46,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:37:46 BoogieIcfgContainer [2019-11-20 01:37:46,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:37:46,384 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 01:37:46,384 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 01:37:46,398 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 01:37:46,399 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:37:46" (1/1) ... [2019-11-20 01:37:46,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:37:46,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:46,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2019-11-20 01:37:46,439 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2019-11-20 01:37:46,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 01:37:46,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:46,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:46,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:46,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2019-11-20 01:37:46,668 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2019-11-20 01:37:46,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 01:37:46,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:46,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:46,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:46,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2019-11-20 01:37:46,951 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2019-11-20 01:37:46,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 01:37:46,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:47,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:47,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:47,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2019-11-20 01:37:47,408 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2019-11-20 01:37:47,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 01:37:47,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:47,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:47,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:47,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2019-11-20 01:37:47,568 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2019-11-20 01:37:47,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 01:37:47,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:47,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:47,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2019-11-20 01:37:47,733 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2019-11-20 01:37:47,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 01:37:47,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:47,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:48,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:48,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2019-11-20 01:37:48,425 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2019-11-20 01:37:48,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 01:37:48,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:48,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:48,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:48,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2019-11-20 01:37:48,610 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2019-11-20 01:37:48,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 01:37:48,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:48,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:48,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:48,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2019-11-20 01:37:48,782 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2019-11-20 01:37:48,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 01:37:48,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:48,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:48,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:48,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2019-11-20 01:37:48,967 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2019-11-20 01:37:48,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 01:37:48,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:49,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:49,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:49,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2019-11-20 01:37:49,869 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2019-11-20 01:37:49,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 01:37:49,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:49,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:50,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:50,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2019-11-20 01:37:50,090 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2019-11-20 01:37:50,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 01:37:50,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:50,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:50,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2019-11-20 01:37:50,290 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2019-11-20 01:37:50,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 01:37:50,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:50,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:50,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2019-11-20 01:37:50,464 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2019-11-20 01:37:50,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 01:37:50,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:51,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:51,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2019-11-20 01:37:51,765 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2019-11-20 01:37:51,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 01:37:51,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:51,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:51,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2019-11-20 01:37:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2019-11-20 01:37:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 01:37:51,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:51,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:52,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:52,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2019-11-20 01:37:52,215 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2019-11-20 01:37:52,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 01:37:52,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:52,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:52,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2019-11-20 01:37:52,468 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2019-11-20 01:37:52,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 01:37:52,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:52,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:52,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2019-11-20 01:37:52,765 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2019-11-20 01:37:52,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 01:37:52,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:52,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:53,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:53,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2019-11-20 01:37:53,056 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2019-11-20 01:37:53,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 01:37:53,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:53,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:55,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:55,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 48 states and 81 transitions. [2019-11-20 01:37:55,081 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 81 transitions. [2019-11-20 01:37:55,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 01:37:55,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:55,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:55,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:55,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2019-11-20 01:37:55,392 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2019-11-20 01:37:55,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 01:37:55,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:55,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:55,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2019-11-20 01:37:55,738 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2019-11-20 01:37:55,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 01:37:55,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:55,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:56,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:56,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2019-11-20 01:37:56,192 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2019-11-20 01:37:56,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 01:37:56,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:56,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:56,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:56,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2019-11-20 01:37:56,523 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2019-11-20 01:37:56,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 01:37:56,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:56,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:56,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:56,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2019-11-20 01:37:56,770 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2019-11-20 01:37:56,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 01:37:56,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:56,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:57,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:57,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2019-11-20 01:37:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2019-11-20 01:37:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 01:37:57,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:57,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:59,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:59,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2019-11-20 01:37:59,602 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2019-11-20 01:37:59,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 01:37:59,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:59,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:59,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:59,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 86 transitions. [2019-11-20 01:37:59,896 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2019-11-20 01:37:59,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 01:37:59,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:00,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:00,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2019-11-20 01:38:00,319 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2019-11-20 01:38:00,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 01:38:00,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:00,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:00,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2019-11-20 01:38:00,714 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2019-11-20 01:38:00,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 01:38:00,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:00,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:01,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:01,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2019-11-20 01:38:01,102 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2019-11-20 01:38:01,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 01:38:01,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:01,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:01,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2019-11-20 01:38:01,433 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2019-11-20 01:38:01,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 01:38:01,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:01,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:01,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2019-11-20 01:38:01,787 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2019-11-20 01:38:01,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 01:38:01,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:05,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:05,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 53 states and 91 transitions. [2019-11-20 01:38:05,224 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2019-11-20 01:38:05,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 01:38:05,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:05,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:05,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:05,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 91 transitions. [2019-11-20 01:38:05,564 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2019-11-20 01:38:05,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 01:38:05,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:05,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:05,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2019-11-20 01:38:05,930 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2019-11-20 01:38:05,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 01:38:05,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:06,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:06,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2019-11-20 01:38:06,513 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2019-11-20 01:38:06,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 01:38:06,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:06,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:06,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:06,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2019-11-20 01:38:06,977 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2019-11-20 01:38:06,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 01:38:06,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:06,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:07,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:07,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2019-11-20 01:38:07,410 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2019-11-20 01:38:07,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 01:38:07,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:07,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:07,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:07,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 70 transitions. [2019-11-20 01:38:07,873 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 70 transitions. [2019-11-20 01:38:07,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 01:38:07,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:07,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:08,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2019-11-20 01:38:08,253 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2019-11-20 01:38:08,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 01:38:08,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:08,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:08,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:08,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2019-11-20 01:38:08,748 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2019-11-20 01:38:08,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 01:38:08,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:09,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:13,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:13,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 56 states and 96 transitions. [2019-11-20 01:38:13,869 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 96 transitions. [2019-11-20 01:38:13,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 01:38:13,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:14,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:14,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 96 transitions. [2019-11-20 01:38:14,309 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2019-11-20 01:38:14,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 01:38:14,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:14,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:14,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:14,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 96 transitions. [2019-11-20 01:38:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2019-11-20 01:38:14,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 01:38:14,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:14,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:15,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:15,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2019-11-20 01:38:15,450 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2019-11-20 01:38:15,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 01:38:15,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:15,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:16,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:16,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2019-11-20 01:38:16,005 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2019-11-20 01:38:16,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 01:38:16,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:16,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2019-11-20 01:38:16,675 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2019-11-20 01:38:16,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 01:38:16,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:17,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:17,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2019-11-20 01:38:17,163 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2019-11-20 01:38:17,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 01:38:17,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:17,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:17,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:17,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 72 transitions. [2019-11-20 01:38:17,826 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2019-11-20 01:38:17,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 01:38:17,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:18,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:18,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 47 states and 72 transitions. [2019-11-20 01:38:18,310 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 72 transitions. [2019-11-20 01:38:18,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 01:38:18,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:18,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:18,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:18,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2019-11-20 01:38:18,740 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2019-11-20 01:38:18,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 01:38:18,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:19,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:25,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:25,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 59 states and 101 transitions. [2019-11-20 01:38:25,030 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 101 transitions. [2019-11-20 01:38:25,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 01:38:25,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:25,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:25,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:25,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2019-11-20 01:38:25,652 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2019-11-20 01:38:25,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 01:38:25,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:25,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:26,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:26,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 61 states and 101 transitions. [2019-11-20 01:38:26,214 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 101 transitions. [2019-11-20 01:38:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 01:38:26,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:26,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:26,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:26,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2019-11-20 01:38:26,887 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2019-11-20 01:38:26,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:38:26,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:26,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:27,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:27,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2019-11-20 01:38:27,674 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2019-11-20 01:38:27,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:38:27,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:27,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:28,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:28,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2019-11-20 01:38:28,309 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2019-11-20 01:38:28,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:38:28,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:28,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:28,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:28,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2019-11-20 01:38:28,982 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2019-11-20 01:38:28,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:38:28,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:28,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:29,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:29,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2019-11-20 01:38:29,559 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2019-11-20 01:38:29,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:38:29,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:29,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:30,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:30,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2019-11-20 01:38:30,118 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2019-11-20 01:38:30,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:38:30,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:30,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:30,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:30,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 74 transitions. [2019-11-20 01:38:30,834 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2019-11-20 01:38:30,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:38:30,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:31,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:38,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:38,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2019-11-20 01:38:38,681 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2019-11-20 01:38:38,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:38:38,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:38,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:39,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 62 states and 106 transitions. [2019-11-20 01:38:39,231 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 106 transitions. [2019-11-20 01:38:39,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:38:39,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:39,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:39,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:39,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 63 states and 106 transitions. [2019-11-20 01:38:39,861 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 106 transitions. [2019-11-20 01:38:39,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:38:39,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:39,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:40,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:40,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 64 states and 106 transitions. [2019-11-20 01:38:40,523 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 106 transitions. [2019-11-20 01:38:40,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:38:40,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:40,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:41,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 76 transitions. [2019-11-20 01:38:41,270 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2019-11-20 01:38:41,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:38:41,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:41,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:42,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:42,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2019-11-20 01:38:42,067 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2019-11-20 01:38:42,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:38:42,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:42,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:42,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2019-11-20 01:38:42,815 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2019-11-20 01:38:42,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:38:42,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:42,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:43,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:43,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2019-11-20 01:38:43,562 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2019-11-20 01:38:43,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:38:43,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:44,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:44,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2019-11-20 01:38:44,238 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2019-11-20 01:38:44,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:38:44,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:44,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:44,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:44,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2019-11-20 01:38:44,866 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2019-11-20 01:38:44,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:38:44,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:44,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:45,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:45,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2019-11-20 01:38:45,539 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2019-11-20 01:38:45,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:38:45,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:45,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:46,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:46,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2019-11-20 01:38:46,130 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2019-11-20 01:38:46,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:38:46,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:46,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:46,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 52 states and 76 transitions. [2019-11-20 01:38:46,788 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2019-11-20 01:38:46,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:38:46,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:47,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:47,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 76 transitions. [2019-11-20 01:38:47,577 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-11-20 01:38:47,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:38:47,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:48,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:48,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2019-11-20 01:38:48,403 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2019-11-20 01:38:48,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:38:48,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:48,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:38:49,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:49,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2019-11-20 01:38:49,289 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2019-11-20 01:38:49,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 01:38:49,290 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 79 iterations. [2019-11-20 01:38:49,303 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 01:38:49,817 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:38:49,820 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:38:49,821 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:38:49,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 01:38:49 ImpRootNode [2019-11-20 01:38:49,821 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 01:38:49,821 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:38:49,821 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:38:49,821 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:38:49,822 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:37:46" (3/4) ... [2019-11-20 01:38:49,824 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 01:38:49,833 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-20 01:38:49,833 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 01:38:49,834 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 01:38:49,895 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9a891d2e-7a54-4bcb-8213-4a6d932879f8/bin/ukojak/witness.graphml [2019-11-20 01:38:49,896 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:38:49,897 INFO L168 Benchmark]: Toolchain (without parser) took 64667.29 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 707.8 MB). Free memory was 950.2 MB in the beginning and 1.0 GB in the end (delta: -75.0 MB). Peak memory consumption was 632.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:38:49,898 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:38:49,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 950.2 MB in the beginning and 1.2 GB in the end (delta: -209.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:38:49,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:38:49,899 INFO L168 Benchmark]: Boogie Preprocessor took 34.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:38:49,899 INFO L168 Benchmark]: RCFGBuilder took 654.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:38:49,900 INFO L168 Benchmark]: CodeCheck took 63436.73 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 539.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.4 MB). Peak memory consumption was 615.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:38:49,900 INFO L168 Benchmark]: Witness Printer took 74.47 ms. Allocated memory is still 1.7 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:38:49,902 INFO L335 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, 32 locations, 1 error locations. Result: SAFE, OverallTime: 62.8s, OverallIterations: 79, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 1335226364 SDslu, 0 SDs, 0 SdLazy, 1465769976 SolverSat, 260304892 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11386 GetRequests, 10810 SyntacticMatches, 0 SemanticMatches, 576 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160411 ImplicationChecksByTransitivity, 59.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1106 NumberOfCodeBlocks, 1106 NumberOfCodeBlocksAsserted, 78 NumberOfCheckSat, 1028 ConstructedInterpolants, 0 QuantifiedInterpolants, 77274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 78 InterpolantComputations, 78 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 189]: 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: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 424.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 950.2 MB in the beginning and 1.2 GB in the end (delta: -209.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 654.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. * CodeCheck took 63436.73 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 539.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.4 MB). Peak memory consumption was 615.8 MB. Max. memory is 11.5 GB. * Witness Printer took 74.47 ms. Allocated memory is still 1.7 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...