./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a2801333-ae34-4a19-b37c-699721962567/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a2801333-ae34-4a19-b37c-699721962567/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a2801333-ae34-4a19-b37c-699721962567/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a2801333-ae34-4a19-b37c-699721962567/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a2801333-ae34-4a19-b37c-699721962567/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a2801333-ae34-4a19-b37c-699721962567/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 56f043bec3037ec37b4a132611abd4a337934428 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:49:44,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:49:44,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:49:44,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:49:44,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:49:44,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:49:44,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:49:44,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:49:44,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:49:44,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:49:44,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:49:44,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:49:44,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:49:44,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:49:44,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:49:44,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:49:44,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:49:44,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:49:44,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:49:44,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:49:44,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:49:44,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:49:44,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:49:44,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:49:44,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:49:44,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:49:44,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:49:44,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:49:44,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:49:44,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:49:44,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:49:44,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:49:44,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:49:44,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:49:44,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:49:44,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:49:44,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:49:44,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:49:44,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:49:44,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:49:44,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:49:44,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a2801333-ae34-4a19-b37c-699721962567/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 23:49:44,446 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:49:44,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:49:44,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 23:49:44,447 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 23:49:44,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:49:44,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:49:44,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:49:44,448 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:49:44,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:49:44,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:49:44,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:49:44,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:49:44,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:49:44,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:49:44,449 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:49:44,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:49:44,449 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:49:44,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:49:44,450 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 23:49:44,450 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 23:49:44,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:49:44,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:49:44,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 23:49:44,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:49:44,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:49:44,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:49:44,451 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 23:49:44,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:49:44,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:49:44,452 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_a2801333-ae34-4a19-b37c-699721962567/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 -> 56f043bec3037ec37b4a132611abd4a337934428 [2019-11-19 23:49:44,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:49:44,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:49:44,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:49:44,600 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:49:44,600 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:49:44,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a2801333-ae34-4a19-b37c-699721962567/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_11.c [2019-11-19 23:49:44,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2801333-ae34-4a19-b37c-699721962567/bin/ukojak/data/df7c2ae09/2b01a34bf8de44eea752f4935d1283d0/FLAG722deb151 [2019-11-19 23:49:45,041 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:49:45,041 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a2801333-ae34-4a19-b37c-699721962567/sv-benchmarks/c/locks/test_locks_11.c [2019-11-19 23:49:45,047 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2801333-ae34-4a19-b37c-699721962567/bin/ukojak/data/df7c2ae09/2b01a34bf8de44eea752f4935d1283d0/FLAG722deb151 [2019-11-19 23:49:45,444 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a2801333-ae34-4a19-b37c-699721962567/bin/ukojak/data/df7c2ae09/2b01a34bf8de44eea752f4935d1283d0 [2019-11-19 23:49:45,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:49:45,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:49:45,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:49:45,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:49:45,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:49:45,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:49:45" (1/1) ... [2019-11-19 23:49:45,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5200a7ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:49:45, skipping insertion in model container [2019-11-19 23:49:45,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:49:45" (1/1) ... [2019-11-19 23:49:45,460 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:49:45,487 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:49:45,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:49:45,751 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:49:45,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:49:45,783 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:49:45,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:49:45 WrapperNode [2019-11-19 23:49:45,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:49:45,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:49:45,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:49:45,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:49:45,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:49:45" (1/1) ... [2019-11-19 23:49:45,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:49:45" (1/1) ... [2019-11-19 23:49:45,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:49:45,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:49:45,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:49:45,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:49:45,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:49:45" (1/1) ... [2019-11-19 23:49:45,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:49:45" (1/1) ... [2019-11-19 23:49:45,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:49:45" (1/1) ... [2019-11-19 23:49:45,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:49:45" (1/1) ... [2019-11-19 23:49:45,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:49:45" (1/1) ... [2019-11-19 23:49:45,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:49:45" (1/1) ... [2019-11-19 23:49:45,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:49:45" (1/1) ... [2019-11-19 23:49:45,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:49:45,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:49:45,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:49:45,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:49:45,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:49:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2801333-ae34-4a19-b37c-699721962567/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 [2019-11-19 23:49:45,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:49:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:49:46,391 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:49:46,392 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-19 23:49:46,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:49:46 BoogieIcfgContainer [2019-11-19 23:49:46,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:49:46,393 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 23:49:46,393 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 23:49:46,401 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 23:49:46,402 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:49:46" (1/1) ... [2019-11-19 23:49:46,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:49:46,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:46,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2019-11-19 23:49:46,433 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2019-11-19 23:49:46,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-19 23:49:46,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:46,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:46,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2019-11-19 23:49:46,633 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2019-11-19 23:49:46,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-19 23:49:46,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:46,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:46,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:46,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2019-11-19 23:49:46,910 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2019-11-19 23:49:46,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 23:49:46,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:46,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:47,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:47,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2019-11-19 23:49:47,081 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2019-11-19 23:49:47,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 23:49:47,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:47,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:47,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:47,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2019-11-19 23:49:47,540 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2019-11-19 23:49:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 23:49:47,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:47,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:47,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2019-11-19 23:49:47,771 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2019-11-19 23:49:47,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 23:49:47,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:47,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:48,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:48,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2019-11-19 23:49:48,461 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2019-11-19 23:49:48,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 23:49:48,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:48,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:48,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:48,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2019-11-19 23:49:48,638 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2019-11-19 23:49:48,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 23:49:48,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:48,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:48,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:48,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2019-11-19 23:49:48,860 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2019-11-19 23:49:48,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 23:49:48,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:48,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:49,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:49,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2019-11-19 23:49:49,805 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2019-11-19 23:49:49,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 23:49:49,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:49,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:49,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:49,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2019-11-19 23:49:49,998 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2019-11-19 23:49:49,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 23:49:49,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:50,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:50,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:50,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2019-11-19 23:49:50,155 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2019-11-19 23:49:50,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 23:49:50,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:50,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:50,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:50,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2019-11-19 23:49:50,356 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2019-11-19 23:49:50,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 23:49:50,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:50,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:50,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2019-11-19 23:49:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2019-11-19 23:49:50,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 23:49:50,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:50,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:51,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:51,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2019-11-19 23:49:51,843 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2019-11-19 23:49:51,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 23:49:51,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:51,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:52,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2019-11-19 23:49:52,038 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2019-11-19 23:49:52,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 23:49:52,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:52,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:52,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2019-11-19 23:49:52,307 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2019-11-19 23:49:52,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 23:49:52,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:52,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:52,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2019-11-19 23:49:52,614 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2019-11-19 23:49:52,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 23:49:52,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:52,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:52,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2019-11-19 23:49:52,873 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2019-11-19 23:49:52,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 23:49:52,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:53,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:53,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2019-11-19 23:49:53,142 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2019-11-19 23:49:53,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 23:49:53,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:53,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:55,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:55,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2019-11-19 23:49:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2019-11-19 23:49:55,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 23:49:55,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:55,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:55,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2019-11-19 23:49:55,478 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2019-11-19 23:49:55,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 23:49:55,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:55,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:55,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2019-11-19 23:49:55,758 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2019-11-19 23:49:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 23:49:55,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:55,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:56,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:56,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2019-11-19 23:49:56,145 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2019-11-19 23:49:56,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 23:49:56,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:56,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:56,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:56,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2019-11-19 23:49:56,417 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2019-11-19 23:49:56,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 23:49:56,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:56,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:56,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:56,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2019-11-19 23:49:56,765 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2019-11-19 23:49:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 23:49:56,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:56,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:59,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:59,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2019-11-19 23:49:59,581 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2019-11-19 23:49:59,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 23:49:59,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:59,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:49:59,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:49:59,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2019-11-19 23:49:59,833 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2019-11-19 23:49:59,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 23:49:59,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:49:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:49:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:00,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:00,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2019-11-19 23:50:00,277 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2019-11-19 23:50:00,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 23:50:00,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:00,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:00,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2019-11-19 23:50:00,725 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2019-11-19 23:50:00,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-19 23:50:00,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:00,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:01,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:01,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2019-11-19 23:50:01,255 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2019-11-19 23:50:01,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-19 23:50:01,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:01,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:01,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2019-11-19 23:50:01,582 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2019-11-19 23:50:01,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-19 23:50:01,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:01,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:01,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:01,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2019-11-19 23:50:01,917 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2019-11-19 23:50:01,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-19 23:50:01,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:01,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:02,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2019-11-19 23:50:02,205 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2019-11-19 23:50:02,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-19 23:50:02,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:02,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:05,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:05,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2019-11-19 23:50:05,795 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2019-11-19 23:50:05,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-19 23:50:05,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:05,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:06,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:06,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2019-11-19 23:50:06,138 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2019-11-19 23:50:06,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-19 23:50:06,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:06,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:06,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 84 transitions. [2019-11-19 23:50:06,512 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 84 transitions. [2019-11-19 23:50:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-19 23:50:06,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:06,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:06,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:06,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2019-11-19 23:50:06,980 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2019-11-19 23:50:06,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 23:50:06,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:06,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:07,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:07,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2019-11-19 23:50:07,507 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2019-11-19 23:50:07,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 23:50:07,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:07,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:07,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:07,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2019-11-19 23:50:07,916 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2019-11-19 23:50:07,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 23:50:07,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:07,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:08,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:08,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2019-11-19 23:50:08,373 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2019-11-19 23:50:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 23:50:08,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:08,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:08,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:08,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2019-11-19 23:50:08,766 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2019-11-19 23:50:08,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 23:50:08,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:08,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:09,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:09,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2019-11-19 23:50:09,134 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2019-11-19 23:50:09,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 23:50:09,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:14,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:14,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2019-11-19 23:50:14,380 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2019-11-19 23:50:14,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 23:50:14,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:14,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:14,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2019-11-19 23:50:14,818 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2019-11-19 23:50:14,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 23:50:14,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:14,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:15,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:15,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2019-11-19 23:50:15,278 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2019-11-19 23:50:15,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 23:50:15,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:15,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:15,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:15,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2019-11-19 23:50:15,829 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2019-11-19 23:50:15,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 23:50:15,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:15,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:16,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:16,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2019-11-19 23:50:16,403 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2019-11-19 23:50:16,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 23:50:16,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:16,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:16,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:16,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2019-11-19 23:50:16,938 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2019-11-19 23:50:16,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 23:50:16,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:16,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:17,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:17,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2019-11-19 23:50:17,427 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2019-11-19 23:50:17,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 23:50:17,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:17,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:17,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2019-11-19 23:50:17,902 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2019-11-19 23:50:17,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 23:50:17,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:17,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:18,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:18,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2019-11-19 23:50:18,507 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2019-11-19 23:50:18,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 23:50:18,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:18,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:24,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2019-11-19 23:50:24,714 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2019-11-19 23:50:24,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 23:50:24,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:24,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:25,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:25,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2019-11-19 23:50:25,220 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2019-11-19 23:50:25,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 23:50:25,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:25,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:25,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:25,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2019-11-19 23:50:25,748 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2019-11-19 23:50:25,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 23:50:25,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:26,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:26,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2019-11-19 23:50:26,314 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2019-11-19 23:50:26,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 23:50:26,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:26,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:27,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2019-11-19 23:50:27,168 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2019-11-19 23:50:27,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:50:27,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:27,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:27,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:27,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2019-11-19 23:50:27,866 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2019-11-19 23:50:27,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:50:27,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:27,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:28,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:28,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2019-11-19 23:50:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2019-11-19 23:50:28,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:50:28,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:29,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:29,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2019-11-19 23:50:29,100 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2019-11-19 23:50:29,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:50:29,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:29,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:29,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:29,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2019-11-19 23:50:29,671 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2019-11-19 23:50:29,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:50:29,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:30,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:30,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2019-11-19 23:50:30,193 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2019-11-19 23:50:30,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:50:30,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:30,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:30,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:30,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2019-11-19 23:50:30,732 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2019-11-19 23:50:30,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:50:30,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:30,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:31,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:31,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2019-11-19 23:50:31,294 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2019-11-19 23:50:31,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:50:31,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:31,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:31,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:31,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2019-11-19 23:50:31,910 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-11-19 23:50:31,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:50:31,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:32,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:32,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 48 states and 67 transitions. [2019-11-19 23:50:32,623 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2019-11-19 23:50:32,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:50:32,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:50:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:50:32,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:50:33,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:50:33,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2019-11-19 23:50:33,334 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2019-11-19 23:50:33,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:50:33,334 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 67 iterations. [2019-11-19 23:50:33,341 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-19 23:50:33,766 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:50:33,769 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:50:33,769 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:50:33,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 11:50:33 ImpRootNode [2019-11-19 23:50:33,770 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 23:50:33,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:50:33,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:50:33,770 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:50:33,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:49:46" (3/4) ... [2019-11-19 23:50:33,773 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:50:33,781 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-19 23:50:33,781 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-19 23:50:33,781 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 23:50:33,845 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a2801333-ae34-4a19-b37c-699721962567/bin/ukojak/witness.graphml [2019-11-19 23:50:33,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:50:33,847 INFO L168 Benchmark]: Toolchain (without parser) took 48399.04 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 736.1 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -51.8 MB). Peak memory consumption was 684.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:50:33,847 INFO L168 Benchmark]: CDTParser took 0.16 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. [2019-11-19 23:50:33,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:50:33,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:50:33,848 INFO L168 Benchmark]: Boogie Preprocessor took 27.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:50:33,849 INFO L168 Benchmark]: RCFGBuilder took 553.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:50:33,849 INFO L168 Benchmark]: CodeCheck took 47376.71 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 600.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.7 MB). Peak memory consumption was 670.5 MB. Max. memory is 11.5 GB. [2019-11-19 23:50:33,850 INFO L168 Benchmark]: Witness Printer took 75.04 ms. Allocated memory is still 1.8 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:50:33,852 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, 30 locations, 1 error locations. Result: SAFE, OverallTime: 46.9s, OverallIterations: 67, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -773195780 SDslu, 0 SDs, 0 SdLazy, -840241160 SolverSat, -1008601092 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9060 GetRequests, 8576 SyntacticMatches, 0 SemanticMatches, 484 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111902 ImplicationChecksByTransitivity, 44.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 891 NumberOfCodeBlocks, 891 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 825 ConstructedInterpolants, 0 QuantifiedInterpolants, 57695 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 66 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 175]: 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: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 335.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 553.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. * CodeCheck took 47376.71 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 600.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.7 MB). Peak memory consumption was 670.5 MB. Max. memory is 11.5 GB. * Witness Printer took 75.04 ms. Allocated memory is still 1.8 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...