./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_io_1.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_408961d4-fa9c-4e7d-9851-46ef016b7e1c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_408961d4-fa9c-4e7d-9851-46ef016b7e1c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_408961d4-fa9c-4e7d-9851-46ef016b7e1c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_408961d4-fa9c-4e7d-9851-46ef016b7e1c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_io_1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_408961d4-fa9c-4e7d-9851-46ef016b7e1c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_408961d4-fa9c-4e7d-9851-46ef016b7e1c/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 69c831b1eda23dac6e2f4454b4feebfba511ade3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 02:09:23,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 02:09:23,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 02:09:23,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 02:09:23,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 02:09:23,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 02:09:23,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 02:09:23,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 02:09:23,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 02:09:23,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 02:09:23,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 02:09:23,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 02:09:23,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 02:09:23,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 02:09:23,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 02:09:23,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 02:09:23,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 02:09:23,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 02:09:23,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 02:09:23,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 02:09:23,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 02:09:23,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 02:09:23,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 02:09:23,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 02:09:23,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 02:09:23,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 02:09:23,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 02:09:23,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 02:09:23,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 02:09:23,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 02:09:23,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 02:09:23,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 02:09:23,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 02:09:23,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 02:09:23,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 02:09:23,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 02:09:23,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 02:09:23,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 02:09:23,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 02:09:23,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 02:09:23,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 02:09:23,246 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_408961d4-fa9c-4e7d-9851-46ef016b7e1c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 02:09:23,255 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 02:09:23,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 02:09:23,256 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 02:09:23,256 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 02:09:23,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 02:09:23,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 02:09:23,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 02:09:23,256 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 02:09:23,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 02:09:23,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 02:09:23,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 02:09:23,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 02:09:23,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 02:09:23,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 02:09:23,257 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 02:09:23,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 02:09:23,257 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 02:09:23,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 02:09:23,257 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 02:09:23,258 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 02:09:23,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 02:09:23,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 02:09:23,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 02:09:23,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 02:09:23,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 02:09:23,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 02:09:23,258 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 02:09:23,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 02:09:23,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 02:09:23,259 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_408961d4-fa9c-4e7d-9851-46ef016b7e1c/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 -> 69c831b1eda23dac6e2f4454b4feebfba511ade3 [2019-12-02 02:09:23,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 02:09:23,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 02:09:23,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 02:09:23,370 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 02:09:23,370 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 02:09:23,371 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_408961d4-fa9c-4e7d-9851-46ef016b7e1c/bin/ukojak/../../sv-benchmarks/c/psyco/psyco_io_1.c [2019-12-02 02:09:23,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_408961d4-fa9c-4e7d-9851-46ef016b7e1c/bin/ukojak/data/ac802b9f0/5849f6d57f30400bb78eb39922df35ae/FLAG2acfbeeed [2019-12-02 02:09:23,839 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 02:09:23,839 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_408961d4-fa9c-4e7d-9851-46ef016b7e1c/sv-benchmarks/c/psyco/psyco_io_1.c [2019-12-02 02:09:23,845 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_408961d4-fa9c-4e7d-9851-46ef016b7e1c/bin/ukojak/data/ac802b9f0/5849f6d57f30400bb78eb39922df35ae/FLAG2acfbeeed [2019-12-02 02:09:23,854 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_408961d4-fa9c-4e7d-9851-46ef016b7e1c/bin/ukojak/data/ac802b9f0/5849f6d57f30400bb78eb39922df35ae [2019-12-02 02:09:23,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 02:09:23,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 02:09:23,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 02:09:23,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 02:09:23,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 02:09:23,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:09:23" (1/1) ... [2019-12-02 02:09:23,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8a8f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:23, skipping insertion in model container [2019-12-02 02:09:23,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:09:23" (1/1) ... [2019-12-02 02:09:23,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 02:09:23,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 02:09:24,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 02:09:24,045 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 02:09:24,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 02:09:24,084 INFO L208 MainTranslator]: Completed translation [2019-12-02 02:09:24,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:24 WrapperNode [2019-12-02 02:09:24,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 02:09:24,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 02:09:24,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 02:09:24,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 02:09:24,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:24" (1/1) ... [2019-12-02 02:09:24,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:24" (1/1) ... [2019-12-02 02:09:24,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 02:09:24,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 02:09:24,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 02:09:24,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 02:09:24,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:24" (1/1) ... [2019-12-02 02:09:24,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:24" (1/1) ... [2019-12-02 02:09:24,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:24" (1/1) ... [2019-12-02 02:09:24,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:24" (1/1) ... [2019-12-02 02:09:24,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:24" (1/1) ... [2019-12-02 02:09:24,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:24" (1/1) ... [2019-12-02 02:09:24,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:24" (1/1) ... [2019-12-02 02:09:24,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 02:09:24,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 02:09:24,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 02:09:24,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 02:09:24,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_408961d4-fa9c-4e7d-9851-46ef016b7e1c/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 [2019-12-02 02:09:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 02:09:24,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 02:09:24,420 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 02:09:24,421 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-02 02:09:24,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:09:24 BoogieIcfgContainer [2019-12-02 02:09:24,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 02:09:24,422 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 02:09:24,422 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 02:09:24,428 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 02:09:24,429 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:09:24" (1/1) ... [2019-12-02 02:09:24,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 02:09:24,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:24,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 66 states and 125 transitions. [2019-12-02 02:09:24,458 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2019-12-02 02:09:24,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 02:09:24,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:24,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:24,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 66 states and 106 transitions. [2019-12-02 02:09:24,551 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 106 transitions. [2019-12-02 02:09:24,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 02:09:24,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:24,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:24,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:24,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 69 states and 127 transitions. [2019-12-02 02:09:24,616 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 127 transitions. [2019-12-02 02:09:24,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 02:09:24,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:24,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 69 states and 126 transitions. [2019-12-02 02:09:24,644 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 126 transitions. [2019-12-02 02:09:24,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 02:09:24,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:24,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:24,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 72 states and 147 transitions. [2019-12-02 02:09:24,714 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 147 transitions. [2019-12-02 02:09:24,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 02:09:24,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:24,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:24,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:24,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 83 states and 187 transitions. [2019-12-02 02:09:24,827 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 187 transitions. [2019-12-02 02:09:24,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 02:09:24,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:24,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:24,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:24,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 87 states and 208 transitions. [2019-12-02 02:09:24,956 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 208 transitions. [2019-12-02 02:09:24,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 02:09:24,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:24,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:24,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 90 states and 215 transitions. [2019-12-02 02:09:24,983 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 215 transitions. [2019-12-02 02:09:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 02:09:24,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,027 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 94 states and 238 transitions. [2019-12-02 02:09:25,139 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 238 transitions. [2019-12-02 02:09:25,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 02:09:25,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,164 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:25,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 94 states and 236 transitions. [2019-12-02 02:09:25,170 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 236 transitions. [2019-12-02 02:09:25,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-02 02:09:25,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,193 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:25,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 95 states and 238 transitions. [2019-12-02 02:09:25,201 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 238 transitions. [2019-12-02 02:09:25,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-02 02:09:25,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,233 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:25,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 95 states and 236 transitions. [2019-12-02 02:09:25,240 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 236 transitions. [2019-12-02 02:09:25,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-02 02:09:25,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,266 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:25,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 96 states and 238 transitions. [2019-12-02 02:09:25,273 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 238 transitions. [2019-12-02 02:09:25,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-02 02:09:25,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,299 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:25,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 96 states and 237 transitions. [2019-12-02 02:09:25,308 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 237 transitions. [2019-12-02 02:09:25,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-02 02:09:25,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-02 02:09:25,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 100 states and 252 transitions. [2019-12-02 02:09:25,470 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 252 transitions. [2019-12-02 02:09:25,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-02 02:09:25,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,499 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:25,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 101 states and 253 transitions. [2019-12-02 02:09:25,509 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 253 transitions. [2019-12-02 02:09:25,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-02 02:09:25,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,523 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 02:09:25,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 102 states and 254 transitions. [2019-12-02 02:09:25,528 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 254 transitions. [2019-12-02 02:09:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-02 02:09:25,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,540 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 02:09:25,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 102 states and 251 transitions. [2019-12-02 02:09:25,597 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 251 transitions. [2019-12-02 02:09:25,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-02 02:09:25,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,611 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 02:09:25,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 102 states and 248 transitions. [2019-12-02 02:09:25,627 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 248 transitions. [2019-12-02 02:09:25,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-02 02:09:25,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 02:09:25,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 103 states and 249 transitions. [2019-12-02 02:09:25,642 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 249 transitions. [2019-12-02 02:09:25,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-02 02:09:25,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,651 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 02:09:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 104 states and 251 transitions. [2019-12-02 02:09:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 251 transitions. [2019-12-02 02:09:25,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-02 02:09:25,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,700 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:25,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 105 states and 251 transitions. [2019-12-02 02:09:25,731 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 251 transitions. [2019-12-02 02:09:25,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-02 02:09:25,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,740 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 02:09:25,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 105 states and 248 transitions. [2019-12-02 02:09:25,754 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 248 transitions. [2019-12-02 02:09:25,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-02 02:09:25,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 02:09:25,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 106 states and 250 transitions. [2019-12-02 02:09:25,768 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 250 transitions. [2019-12-02 02:09:25,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-02 02:09:25,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,777 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 02:09:25,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 247 transitions. [2019-12-02 02:09:25,795 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 247 transitions. [2019-12-02 02:09:25,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-02 02:09:25,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,805 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 02:09:25,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 107 states and 249 transitions. [2019-12-02 02:09:25,810 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 249 transitions. [2019-12-02 02:09:25,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-02 02:09:25,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,819 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 02:09:25,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 246 transitions. [2019-12-02 02:09:25,832 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 246 transitions. [2019-12-02 02:09:25,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-02 02:09:25,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,858 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:25,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 111 states and 264 transitions. [2019-12-02 02:09:25,956 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 264 transitions. [2019-12-02 02:09:25,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-02 02:09:25,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:25,965 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 02:09:25,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:25,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 111 states and 261 transitions. [2019-12-02 02:09:25,978 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 261 transitions. [2019-12-02 02:09:25,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-02 02:09:25,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:26,023 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:26,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:26,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 119 states and 274 transitions. [2019-12-02 02:09:26,136 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 274 transitions. [2019-12-02 02:09:26,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-02 02:09:26,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:26,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:26,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 124 states and 292 transitions. [2019-12-02 02:09:26,304 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 292 transitions. [2019-12-02 02:09:26,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-02 02:09:26,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:26,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 127 states and 298 transitions. [2019-12-02 02:09:26,330 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 298 transitions. [2019-12-02 02:09:26,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-02 02:09:26,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:26,360 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:26,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:26,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 128 states and 300 transitions. [2019-12-02 02:09:26,393 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 300 transitions. [2019-12-02 02:09:26,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-02 02:09:26,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:26,422 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:26,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:26,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 128 states and 298 transitions. [2019-12-02 02:09:26,427 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 298 transitions. [2019-12-02 02:09:26,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-02 02:09:26,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:26,457 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:26,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:26,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 129 states and 300 transitions. [2019-12-02 02:09:26,464 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 300 transitions. [2019-12-02 02:09:26,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-02 02:09:26,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:26,494 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:26,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:26,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 129 states and 298 transitions. [2019-12-02 02:09:26,502 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 298 transitions. [2019-12-02 02:09:26,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-02 02:09:26,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:26,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:26,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 130 states and 300 transitions. [2019-12-02 02:09:26,546 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 300 transitions. [2019-12-02 02:09:26,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-02 02:09:26,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 130 states and 299 transitions. [2019-12-02 02:09:26,587 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 299 transitions. [2019-12-02 02:09:26,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 02:09:26,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:26,624 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:26,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:26,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 131 states and 300 transitions. [2019-12-02 02:09:26,630 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 300 transitions. [2019-12-02 02:09:26,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 02:09:26,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:26,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:26,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 133 states and 301 transitions. [2019-12-02 02:09:26,748 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 301 transitions. [2019-12-02 02:09:26,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 02:09:26,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:26,775 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:26,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:26,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 134 states and 301 transitions. [2019-12-02 02:09:26,785 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 301 transitions. [2019-12-02 02:09:26,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-02 02:09:26,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:26,798 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-02 02:09:26,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:26,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 135 states and 303 transitions. [2019-12-02 02:09:26,895 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 303 transitions. [2019-12-02 02:09:26,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-02 02:09:26,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:26,918 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 02:09:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:26,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 136 states and 303 transitions. [2019-12-02 02:09:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 303 transitions. [2019-12-02 02:09:26,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-02 02:09:26,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 02:09:27,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:27,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 141 states and 318 transitions. [2019-12-02 02:09:27,121 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 318 transitions. [2019-12-02 02:09:27,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-02 02:09:27,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:27,151 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 02:09:27,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:27,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 141 states and 317 transitions. [2019-12-02 02:09:27,159 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 317 transitions. [2019-12-02 02:09:27,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-02 02:09:27,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:27,184 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:27,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 142 states and 318 transitions. [2019-12-02 02:09:27,197 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 318 transitions. [2019-12-02 02:09:27,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-02 02:09:27,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:27,205 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-02 02:09:27,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:27,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 143 states and 320 transitions. [2019-12-02 02:09:27,253 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 320 transitions. [2019-12-02 02:09:27,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-02 02:09:27,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:27,270 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:27,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:27,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 144 states and 320 transitions. [2019-12-02 02:09:27,277 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 320 transitions. [2019-12-02 02:09:27,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 02:09:27,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 02:09:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 145 states and 321 transitions. [2019-12-02 02:09:27,299 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 321 transitions. [2019-12-02 02:09:27,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 02:09:27,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:27,307 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-02 02:09:27,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:27,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 145 states and 318 transitions. [2019-12-02 02:09:27,328 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 318 transitions. [2019-12-02 02:09:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 02:09:27,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:27,349 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 02:09:27,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:27,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 145 states and 317 transitions. [2019-12-02 02:09:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 317 transitions. [2019-12-02 02:09:27,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-02 02:09:27,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:27,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:27,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 146 states and 319 transitions. [2019-12-02 02:09:27,396 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 319 transitions. [2019-12-02 02:09:27,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-02 02:09:27,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:27,421 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:27,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:27,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 146 states and 318 transitions. [2019-12-02 02:09:27,433 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 318 transitions. [2019-12-02 02:09:27,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-02 02:09:27,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-02 02:09:27,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:27,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 147 states and 320 transitions. [2019-12-02 02:09:27,469 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 320 transitions. [2019-12-02 02:09:27,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-02 02:09:27,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:27,488 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-02 02:09:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:27,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 148 states and 321 transitions. [2019-12-02 02:09:27,492 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 321 transitions. [2019-12-02 02:09:27,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-02 02:09:27,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:27,527 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 02:09:27,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:27,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 149 states and 322 transitions. [2019-12-02 02:09:27,537 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 322 transitions. [2019-12-02 02:09:27,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-02 02:09:27,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-02 02:09:27,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:27,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 149 states and 319 transitions. [2019-12-02 02:09:27,569 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 319 transitions. [2019-12-02 02:09:27,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-02 02:09:27,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:27,581 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-02 02:09:27,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:27,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 150 states and 320 transitions. [2019-12-02 02:09:27,587 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 320 transitions. [2019-12-02 02:09:27,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-02 02:09:27,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:27,605 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-02 02:09:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:27,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 73 transitions. [2019-12-02 02:09:27,609 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2019-12-02 02:09:27,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 02:09:27,610 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 59 iterations. [2019-12-02 02:09:27,616 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 02:09:27,728 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-02 02:09:27,736 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 02:09:27,736 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2019-12-02 02:09:27,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:09:27 ImpRootNode [2019-12-02 02:09:27,737 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 02:09:27,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 02:09:27,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 02:09:27,737 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 02:09:27,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:09:24" (3/4) ... [2019-12-02 02:09:27,740 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 02:09:27,748 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-02 02:09:27,748 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 02:09:27,772 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_408961d4-fa9c-4e7d-9851-46ef016b7e1c/bin/ukojak/witness.graphml [2019-12-02 02:09:27,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 02:09:27,774 INFO L168 Benchmark]: Toolchain (without parser) took 3916.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-12-02 02:09:27,774 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 02:09:27,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-02 02:09:27,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.49 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. [2019-12-02 02:09:27,775 INFO L168 Benchmark]: Boogie Preprocessor took 17.81 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. [2019-12-02 02:09:27,775 INFO L168 Benchmark]: RCFGBuilder took 290.20 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-12-02 02:09:27,776 INFO L168 Benchmark]: CodeCheck took 3315.06 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -23.0 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2019-12-02 02:09:27,776 INFO L168 Benchmark]: Witness Printer took 35.34 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2019-12-02 02:09:27,779 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, 66 locations, 1 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 59, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1807728596 SDtfs, -280860048 SDslu, -1973499712 SDs, 0 SdLazy, -1231246848 SolverSat, -264660992 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22774 GetRequests, 22480 SyntacticMatches, 208 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7866 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1856 NumberOfCodeBlocks, 1856 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 1798 ConstructedInterpolants, 0 QuantifiedInterpolants, 124727 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 58 InterpolantComputations, 39 PerfectInterpolantSequences, 823/885 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: 343]: 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: 23]: Loop Invariant Derived loop invariant: q == 0 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: ((this_sink == 0 && q == 2) || q == 0) || (q == 3 && !(this_sink == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 228.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.49 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. * Boogie Preprocessor took 17.81 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. * RCFGBuilder took 290.20 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * CodeCheck took 3315.06 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -23.0 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * Witness Printer took 35.34 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...