./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f4692ca0-f500-4bf6-af7f-cafbc75ea694/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f4692ca0-f500-4bf6-af7f-cafbc75ea694/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f4692ca0-f500-4bf6-af7f-cafbc75ea694/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f4692ca0-f500-4bf6-af7f-cafbc75ea694/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_12.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f4692ca0-f500-4bf6-af7f-cafbc75ea694/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f4692ca0-f500-4bf6-af7f-cafbc75ea694/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 0.1.25-f470102 [2019-12-01 20:21:26,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 20:21:26,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 20:21:26,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 20:21:26,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 20:21:26,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 20:21:26,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 20:21:26,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 20:21:26,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 20:21:26,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 20:21:26,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 20:21:26,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 20:21:26,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 20:21:26,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 20:21:26,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 20:21:26,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 20:21:26,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 20:21:26,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 20:21:26,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 20:21:26,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 20:21:26,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 20:21:26,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 20:21:26,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 20:21:26,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 20:21:26,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 20:21:26,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 20:21:26,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 20:21:26,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 20:21:26,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 20:21:26,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 20:21:26,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 20:21:26,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 20:21:26,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 20:21:26,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 20:21:26,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 20:21:26,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 20:21:26,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 20:21:26,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 20:21:26,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 20:21:26,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 20:21:26,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 20:21:26,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f4692ca0-f500-4bf6-af7f-cafbc75ea694/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 20:21:26,814 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 20:21:26,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 20:21:26,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 20:21:26,815 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 20:21:26,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 20:21:26,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 20:21:26,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 20:21:26,815 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 20:21:26,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 20:21:26,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 20:21:26,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 20:21:26,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 20:21:26,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 20:21:26,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 20:21:26,816 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 20:21:26,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 20:21:26,816 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 20:21:26,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 20:21:26,817 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 20:21:26,817 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 20:21:26,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 20:21:26,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 20:21:26,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 20:21:26,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 20:21:26,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 20:21:26,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 20:21:26,818 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 20:21:26,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 20:21:26,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 20:21:26,818 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_f4692ca0-f500-4bf6-af7f-cafbc75ea694/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 [2019-12-01 20:21:26,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 20:21:26,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 20:21:26,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 20:21:26,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 20:21:26,928 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 20:21:26,928 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f4692ca0-f500-4bf6-af7f-cafbc75ea694/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_12.c [2019-12-01 20:21:26,965 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f4692ca0-f500-4bf6-af7f-cafbc75ea694/bin/ukojak/data/5f37e7d14/03ab1c3e9df3480b8431b1373e0b6c9b/FLAGed72e85f6 [2019-12-01 20:21:27,291 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 20:21:27,291 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f4692ca0-f500-4bf6-af7f-cafbc75ea694/sv-benchmarks/c/locks/test_locks_12.c [2019-12-01 20:21:27,296 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f4692ca0-f500-4bf6-af7f-cafbc75ea694/bin/ukojak/data/5f37e7d14/03ab1c3e9df3480b8431b1373e0b6c9b/FLAGed72e85f6 [2019-12-01 20:21:27,305 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f4692ca0-f500-4bf6-af7f-cafbc75ea694/bin/ukojak/data/5f37e7d14/03ab1c3e9df3480b8431b1373e0b6c9b [2019-12-01 20:21:27,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 20:21:27,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 20:21:27,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 20:21:27,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 20:21:27,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 20:21:27,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:21:27" (1/1) ... [2019-12-01 20:21:27,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c1cac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:21:27, skipping insertion in model container [2019-12-01 20:21:27,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:21:27" (1/1) ... [2019-12-01 20:21:27,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 20:21:27,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 20:21:27,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 20:21:27,472 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 20:21:27,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 20:21:27,498 INFO L208 MainTranslator]: Completed translation [2019-12-01 20:21:27,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:21:27 WrapperNode [2019-12-01 20:21:27,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 20:21:27,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 20:21:27,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 20:21:27,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 20:21:27,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:21:27" (1/1) ... [2019-12-01 20:21:27,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:21:27" (1/1) ... [2019-12-01 20:21:27,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 20:21:27,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 20:21:27,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 20:21:27,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 20:21:27,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:21:27" (1/1) ... [2019-12-01 20:21:27,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:21:27" (1/1) ... [2019-12-01 20:21:27,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:21:27" (1/1) ... [2019-12-01 20:21:27,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:21:27" (1/1) ... [2019-12-01 20:21:27,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:21:27" (1/1) ... [2019-12-01 20:21:27,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:21:27" (1/1) ... [2019-12-01 20:21:27,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:21:27" (1/1) ... [2019-12-01 20:21:27,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 20:21:27,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 20:21:27,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 20:21:27,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 20:21:27,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:21:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f4692ca0-f500-4bf6-af7f-cafbc75ea694/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 [2019-12-01 20:21:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 20:21:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 20:21:27,870 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 20:21:27,870 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-01 20:21:27,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:21:27 BoogieIcfgContainer [2019-12-01 20:21:27,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 20:21:27,872 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 20:21:27,872 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 20:21:27,879 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 20:21:27,879 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:21:27" (1/1) ... [2019-12-01 20:21:27,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 20:21:27,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:27,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2019-12-01 20:21:27,909 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2019-12-01 20:21:27,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 20:21:27,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:28,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:28,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2019-12-01 20:21:28,065 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2019-12-01 20:21:28,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 20:21:28,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:28,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:28,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:28,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2019-12-01 20:21:28,192 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2019-12-01 20:21:28,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 20:21:28,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:28,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:28,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:28,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2019-12-01 20:21:28,423 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2019-12-01 20:21:28,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 20:21:28,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:28,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:28,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2019-12-01 20:21:28,510 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2019-12-01 20:21:28,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 20:21:28,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:28,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:28,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:28,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2019-12-01 20:21:28,592 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2019-12-01 20:21:28,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 20:21:28,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:28,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:29,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2019-12-01 20:21:29,025 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2019-12-01 20:21:29,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 20:21:29,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:29,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:29,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:29,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2019-12-01 20:21:29,137 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2019-12-01 20:21:29,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 20:21:29,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:29,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:29,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:29,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2019-12-01 20:21:29,241 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2019-12-01 20:21:29,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 20:21:29,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:29,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:29,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:29,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2019-12-01 20:21:29,334 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2019-12-01 20:21:29,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 20:21:29,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:29,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:30,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:30,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2019-12-01 20:21:30,010 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2019-12-01 20:21:30,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 20:21:30,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:30,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:30,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:30,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2019-12-01 20:21:30,148 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2019-12-01 20:21:30,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 20:21:30,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:30,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:30,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:30,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2019-12-01 20:21:30,306 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2019-12-01 20:21:30,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 20:21:30,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:30,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:30,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:30,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2019-12-01 20:21:30,440 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2019-12-01 20:21:30,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 20:21:30,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:30,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:31,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:31,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2019-12-01 20:21:31,887 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2019-12-01 20:21:31,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 20:21:31,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:31,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:32,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:32,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2019-12-01 20:21:32,041 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2019-12-01 20:21:32,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 20:21:32,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:32,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:32,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:32,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2019-12-01 20:21:32,219 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2019-12-01 20:21:32,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 20:21:32,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:32,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:32,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:32,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2019-12-01 20:21:32,413 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2019-12-01 20:21:32,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 20:21:32,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:32,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:32,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:32,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2019-12-01 20:21:32,587 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2019-12-01 20:21:32,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 20:21:32,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:32,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:32,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2019-12-01 20:21:32,732 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2019-12-01 20:21:32,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 20:21:32,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:32,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:35,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:35,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 48 states and 81 transitions. [2019-12-01 20:21:35,648 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 81 transitions. [2019-12-01 20:21:35,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 20:21:35,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:35,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2019-12-01 20:21:35,827 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2019-12-01 20:21:35,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 20:21:35,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:35,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:36,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:36,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2019-12-01 20:21:36,231 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2019-12-01 20:21:36,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 20:21:36,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:36,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:36,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:36,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2019-12-01 20:21:36,476 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2019-12-01 20:21:36,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 20:21:36,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:36,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:36,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:36,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2019-12-01 20:21:36,734 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2019-12-01 20:21:36,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 20:21:36,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:36,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:36,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:36,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2019-12-01 20:21:36,959 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2019-12-01 20:21:36,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 20:21:36,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:36,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:37,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2019-12-01 20:21:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2019-12-01 20:21:37,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 20:21:37,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:37,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2019-12-01 20:21:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2019-12-01 20:21:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 20:21:40,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:40,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:40,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:40,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 86 transitions. [2019-12-01 20:21:40,541 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2019-12-01 20:21:40,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 20:21:40,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:40,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:40,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:40,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2019-12-01 20:21:40,882 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2019-12-01 20:21:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 20:21:40,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:40,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:41,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:41,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2019-12-01 20:21:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2019-12-01 20:21:41,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 20:21:41,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:41,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:41,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:41,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2019-12-01 20:21:41,488 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2019-12-01 20:21:41,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 20:21:41,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:41,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:41,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:41,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2019-12-01 20:21:41,946 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2019-12-01 20:21:41,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 20:21:41,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:41,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:42,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:42,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2019-12-01 20:21:42,287 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2019-12-01 20:21:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 20:21:42,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:42,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:47,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:47,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 53 states and 91 transitions. [2019-12-01 20:21:47,423 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2019-12-01 20:21:47,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 20:21:47,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:47,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:47,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 91 transitions. [2019-12-01 20:21:47,673 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2019-12-01 20:21:47,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 20:21:47,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2019-12-01 20:21:48,082 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2019-12-01 20:21:48,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 20:21:48,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:48,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:48,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2019-12-01 20:21:48,478 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2019-12-01 20:21:48,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 20:21:48,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:48,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:49,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:49,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2019-12-01 20:21:49,045 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2019-12-01 20:21:49,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 20:21:49,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:49,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:49,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:49,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2019-12-01 20:21:49,439 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2019-12-01 20:21:49,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 20:21:49,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:49,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:49,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:49,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 70 transitions. [2019-12-01 20:21:49,777 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 70 transitions. [2019-12-01 20:21:49,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 20:21:49,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:49,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:50,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:50,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2019-12-01 20:21:50,561 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2019-12-01 20:21:50,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 20:21:50,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:50,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:50,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:50,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2019-12-01 20:21:50,911 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2019-12-01 20:21:50,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 20:21:50,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:51,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:55,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 56 states and 96 transitions. [2019-12-01 20:21:55,774 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 96 transitions. [2019-12-01 20:21:55,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 20:21:55,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:56,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:56,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 96 transitions. [2019-12-01 20:21:56,090 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2019-12-01 20:21:56,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 20:21:56,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:56,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:56,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 96 transitions. [2019-12-01 20:21:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2019-12-01 20:21:56,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 20:21:56,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:56,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:56,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:56,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2019-12-01 20:21:56,992 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2019-12-01 20:21:56,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 20:21:56,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:56,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:57,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:57,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2019-12-01 20:21:57,478 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2019-12-01 20:21:57,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 20:21:57,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:57,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:57,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:57,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2019-12-01 20:21:57,958 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2019-12-01 20:21:57,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 20:21:57,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:57,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:58,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:58,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2019-12-01 20:21:58,385 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2019-12-01 20:21:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 20:21:58,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:58,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:58,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 72 transitions. [2019-12-01 20:21:58,790 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2019-12-01 20:21:58,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 20:21:58,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:58,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:59,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:59,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 47 states and 72 transitions. [2019-12-01 20:21:59,168 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 72 transitions. [2019-12-01 20:21:59,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 20:21:59,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:59,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:21:59,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:21:59,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2019-12-01 20:21:59,519 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2019-12-01 20:21:59,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 20:21:59,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:21:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:21:59,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:08,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:08,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 59 states and 101 transitions. [2019-12-01 20:22:08,122 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 101 transitions. [2019-12-01 20:22:08,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 20:22:08,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:08,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:08,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:08,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2019-12-01 20:22:08,528 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2019-12-01 20:22:08,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 20:22:08,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:08,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:09,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:09,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 61 states and 101 transitions. [2019-12-01 20:22:09,017 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 101 transitions. [2019-12-01 20:22:09,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 20:22:09,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:09,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:09,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:09,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2019-12-01 20:22:09,589 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2019-12-01 20:22:09,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:22:09,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:09,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:10,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:10,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2019-12-01 20:22:10,220 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2019-12-01 20:22:10,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:22:10,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:10,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:10,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:10,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2019-12-01 20:22:10,809 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2019-12-01 20:22:10,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:22:10,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:10,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:11,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:11,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2019-12-01 20:22:11,329 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2019-12-01 20:22:11,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:22:11,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:11,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:11,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2019-12-01 20:22:11,819 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2019-12-01 20:22:11,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:22:11,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:11,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:12,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:12,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2019-12-01 20:22:12,273 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2019-12-01 20:22:12,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:22:12,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:12,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:12,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:12,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 74 transitions. [2019-12-01 20:22:12,726 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2019-12-01 20:22:12,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:22:12,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:13,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:27,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:27,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2019-12-01 20:22:27,395 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2019-12-01 20:22:27,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:22:27,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:27,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:27,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 62 states and 106 transitions. [2019-12-01 20:22:27,858 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 106 transitions. [2019-12-01 20:22:27,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:22:27,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:27,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:28,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:28,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 63 states and 106 transitions. [2019-12-01 20:22:28,584 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 106 transitions. [2019-12-01 20:22:28,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:22:28,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:28,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 64 states and 106 transitions. [2019-12-01 20:22:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 106 transitions. [2019-12-01 20:22:29,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:22:29,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:29,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:29,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 76 transitions. [2019-12-01 20:22:29,939 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2019-12-01 20:22:29,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 20:22:29,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:29,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:30,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2019-12-01 20:22:30,667 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2019-12-01 20:22:30,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 20:22:30,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:31,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2019-12-01 20:22:31,447 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2019-12-01 20:22:31,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 20:22:31,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:32,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:32,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2019-12-01 20:22:32,077 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2019-12-01 20:22:32,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 20:22:32,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:32,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:32,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:32,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2019-12-01 20:22:32,696 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2019-12-01 20:22:32,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 20:22:32,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:32,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:33,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:33,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2019-12-01 20:22:33,901 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2019-12-01 20:22:33,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 20:22:33,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:33,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:34,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:34,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2019-12-01 20:22:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2019-12-01 20:22:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 20:22:34,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:34,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:36,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2019-12-01 20:22:36,466 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2019-12-01 20:22:36,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 20:22:36,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:36,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:37,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 52 states and 76 transitions. [2019-12-01 20:22:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2019-12-01 20:22:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 20:22:37,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:37,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:38,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 76 transitions. [2019-12-01 20:22:38,892 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-12-01 20:22:38,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 20:22:38,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:38,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:39,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:39,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2019-12-01 20:22:39,725 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2019-12-01 20:22:39,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 20:22:39,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:22:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:22:39,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:22:41,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:22:41,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2019-12-01 20:22:41,869 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2019-12-01 20:22:41,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 20:22:41,870 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 79 iterations. [2019-12-01 20:22:41,882 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 20:22:42,368 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 20:22:42,371 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 20:22:42,371 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 20:22:42,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 08:22:42 ImpRootNode [2019-12-01 20:22:42,371 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 20:22:42,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 20:22:42,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 20:22:42,372 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 20:22:42,372 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:21:27" (3/4) ... [2019-12-01 20:22:42,374 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 20:22:42,382 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-12-01 20:22:42,382 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 20:22:42,382 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 20:22:42,427 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f4692ca0-f500-4bf6-af7f-cafbc75ea694/bin/ukojak/witness.graphml [2019-12-01 20:22:42,428 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 20:22:42,429 INFO L168 Benchmark]: Toolchain (without parser) took 75121.28 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 277.3 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -204.9 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. [2019-12-01 20:22:42,429 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 20:22:42,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-01 20:22:42,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 20:22:42,430 INFO L168 Benchmark]: Boogie Preprocessor took 16.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 20:22:42,430 INFO L168 Benchmark]: RCFGBuilder took 330.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2019-12-01 20:22:42,430 INFO L168 Benchmark]: CodeCheck took 74499.74 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.7 MB). Peak memory consumption was 444.1 MB. Max. memory is 11.5 GB. [2019-12-01 20:22:42,430 INFO L168 Benchmark]: Witness Printer took 56.06 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 11.5 GB. [2019-12-01 20:22:42,432 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: 73.9s, 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, 47.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11386 GetRequests, 10810 SyntacticMatches, 0 SemanticMatches, 576 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160411 ImplicationChecksByTransitivity, 71.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s 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 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 330.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * CodeCheck took 74499.74 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.7 MB). Peak memory consumption was 444.1 MB. Max. memory is 11.5 GB. * Witness Printer took 56.06 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...