./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1826955b-cbb0-4745-99b7-72c271e9ef22/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1826955b-cbb0-4745-99b7-72c271e9ef22/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1826955b-cbb0-4745-99b7-72c271e9ef22/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1826955b-cbb0-4745-99b7-72c271e9ef22/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1826955b-cbb0-4745-99b7-72c271e9ef22/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1826955b-cbb0-4745-99b7-72c271e9ef22/bin-2019/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 e10040ad9d006089566ac73bab5ec598c71c2723 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:49:35,345 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:49:35,347 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:49:35,356 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:49:35,357 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:49:35,358 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:49:35,359 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:49:35,360 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:49:35,361 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:49:35,362 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:49:35,363 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:49:35,363 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:49:35,364 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:49:35,365 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:49:35,365 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:49:35,366 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:49:35,367 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:49:35,368 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:49:35,370 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:49:35,371 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:49:35,372 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:49:35,373 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:49:35,375 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:49:35,375 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:49:35,375 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:49:35,376 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:49:35,377 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:49:35,378 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:49:35,378 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:49:35,379 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:49:35,379 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:49:35,380 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:49:35,380 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:49:35,380 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:49:35,381 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:49:35,382 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:49:35,382 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1826955b-cbb0-4745-99b7-72c271e9ef22/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 11:49:35,394 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:49:35,394 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:49:35,395 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:49:35,395 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:49:35,396 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:49:35,396 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:49:35,396 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:49:35,396 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:49:35,396 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:49:35,397 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:49:35,397 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:49:35,397 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:49:35,397 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:49:35,397 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:49:35,397 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:49:35,398 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:49:35,398 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:49:35,398 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:49:35,398 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:49:35,398 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:49:35,399 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:49:35,399 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:49:35,399 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:49:35,399 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:49:35,399 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:49:35,400 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 11:49:35,400 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:49:35,400 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:49:35,400 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_1826955b-cbb0-4745-99b7-72c271e9ef22/bin-2019/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 -> e10040ad9d006089566ac73bab5ec598c71c2723 [2018-11-10 11:49:35,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:49:35,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:49:35,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:49:35,445 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:49:35,446 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:49:35,446 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1826955b-cbb0-4745-99b7-72c271e9ef22/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c [2018-11-10 11:49:35,502 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1826955b-cbb0-4745-99b7-72c271e9ef22/bin-2019/ukojak/data/e50b00391/8d987862df584196b7f603d2491506d2/FLAGa111ebba1 [2018-11-10 11:49:35,899 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:49:35,899 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1826955b-cbb0-4745-99b7-72c271e9ef22/sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c [2018-11-10 11:49:35,907 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1826955b-cbb0-4745-99b7-72c271e9ef22/bin-2019/ukojak/data/e50b00391/8d987862df584196b7f603d2491506d2/FLAGa111ebba1 [2018-11-10 11:49:35,921 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1826955b-cbb0-4745-99b7-72c271e9ef22/bin-2019/ukojak/data/e50b00391/8d987862df584196b7f603d2491506d2 [2018-11-10 11:49:35,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:49:35,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:49:35,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:49:35,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:49:35,930 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:49:35,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:49:35" (1/1) ... [2018-11-10 11:49:35,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be916e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:35, skipping insertion in model container [2018-11-10 11:49:35,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:49:35" (1/1) ... [2018-11-10 11:49:35,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:49:35,981 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:49:36,230 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:49:36,240 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:49:36,305 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:49:36,323 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:49:36,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:36 WrapperNode [2018-11-10 11:49:36,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:49:36,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:49:36,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:49:36,324 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:49:36,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:36" (1/1) ... [2018-11-10 11:49:36,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:36" (1/1) ... [2018-11-10 11:49:36,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:49:36,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:49:36,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:49:36,419 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:49:36,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:36" (1/1) ... [2018-11-10 11:49:36,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:36" (1/1) ... [2018-11-10 11:49:36,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:36" (1/1) ... [2018-11-10 11:49:36,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:36" (1/1) ... [2018-11-10 11:49:36,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:36" (1/1) ... [2018-11-10 11:49:36,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:36" (1/1) ... [2018-11-10 11:49:36,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:36" (1/1) ... [2018-11-10 11:49:36,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:49:36,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:49:36,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:49:36,444 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:49:36,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1826955b-cbb0-4745-99b7-72c271e9ef22/bin-2019/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 [2018-11-10 11:49:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 11:49:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 11:49:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 11:49:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 11:49:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 11:49:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 11:49:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 11:49:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 11:49:36,487 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 11:49:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 11:49:36,487 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 11:49:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 11:49:36,487 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 11:49:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:49:36,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:49:37,989 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:49:37,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:49:37 BoogieIcfgContainer [2018-11-10 11:49:37,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:49:37,990 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:49:37,990 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:49:37,998 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:49:37,998 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:49:37" (1/1) ... [2018-11-10 11:49:38,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:49:38,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2018-11-10 11:49:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2018-11-10 11:49:38,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 11:49:38,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:38,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:38,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:38,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2018-11-10 11:49:38,211 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2018-11-10 11:49:38,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 11:49:38,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:38,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:38,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:38,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2018-11-10 11:49:38,345 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2018-11-10 11:49:38,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 11:49:38,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:38,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:38,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:38,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2018-11-10 11:49:38,655 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2018-11-10 11:49:38,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 11:49:38,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:39,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 85 states and 127 transitions. [2018-11-10 11:49:39,188 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2018-11-10 11:49:39,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 11:49:39,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:39,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:39,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:39,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 88 states and 135 transitions. [2018-11-10 11:49:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 135 transitions. [2018-11-10 11:49:39,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 11:49:39,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:39,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:39,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:39,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 89 states and 136 transitions. [2018-11-10 11:49:39,318 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2018-11-10 11:49:39,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 11:49:39,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:39,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:39,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:39,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 101 states and 162 transitions. [2018-11-10 11:49:39,874 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 162 transitions. [2018-11-10 11:49:39,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 11:49:39,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:39,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:39,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:39,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 102 states and 163 transitions. [2018-11-10 11:49:39,909 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 163 transitions. [2018-11-10 11:49:39,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 11:49:39,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:39,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:40,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:40,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 107 states and 177 transitions. [2018-11-10 11:49:40,043 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 177 transitions. [2018-11-10 11:49:40,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 11:49:40,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:40,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:40,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 110 states and 182 transitions. [2018-11-10 11:49:40,171 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 182 transitions. [2018-11-10 11:49:40,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 11:49:40,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:40,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:40,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:40,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 111 states and 183 transitions. [2018-11-10 11:49:40,220 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 183 transitions. [2018-11-10 11:49:40,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 11:49:40,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:40,307 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 11:49:40,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:40,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 118 states and 199 transitions. [2018-11-10 11:49:40,666 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 199 transitions. [2018-11-10 11:49:40,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 11:49:40,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:40,900 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 11:49:41,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:41,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 121 states and 207 transitions. [2018-11-10 11:49:41,463 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 207 transitions. [2018-11-10 11:49:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 11:49:41,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 11:49:41,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:41,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 124 states and 209 transitions. [2018-11-10 11:49:41,661 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 209 transitions. [2018-11-10 11:49:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 11:49:41,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:41,688 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 11:49:41,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:41,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 205 transitions. [2018-11-10 11:49:41,710 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 205 transitions. [2018-11-10 11:49:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 11:49:41,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 11:49:44,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:44,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 138 states and 248 transitions. [2018-11-10 11:49:44,249 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 248 transitions. [2018-11-10 11:49:44,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 11:49:44,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:44,275 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 11:49:44,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:44,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 140 states and 255 transitions. [2018-11-10 11:49:44,330 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 255 transitions. [2018-11-10 11:49:44,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 11:49:44,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:44,353 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 11:49:44,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:44,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 143 states and 257 transitions. [2018-11-10 11:49:44,531 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 257 transitions. [2018-11-10 11:49:44,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 11:49:44,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 11:49:44,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:44,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 144 states and 258 transitions. [2018-11-10 11:49:44,777 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 258 transitions. [2018-11-10 11:49:44,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 11:49:44,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:44,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 11:49:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:45,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 146 states and 263 transitions. [2018-11-10 11:49:45,257 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 263 transitions. [2018-11-10 11:49:45,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 11:49:45,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:45,275 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 11:49:45,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:45,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 148 states and 267 transitions. [2018-11-10 11:49:45,710 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 267 transitions. [2018-11-10 11:49:45,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 11:49:45,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:45,822 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 11:49:46,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:46,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 157 states and 289 transitions. [2018-11-10 11:49:46,934 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 289 transitions. [2018-11-10 11:49:46,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 11:49:46,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:46,964 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 11:49:47,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 165 states and 312 transitions. [2018-11-10 11:49:47,442 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 312 transitions. [2018-11-10 11:49:47,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 11:49:47,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:47,469 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 11:49:47,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:47,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 168 states and 317 transitions. [2018-11-10 11:49:47,712 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 317 transitions. [2018-11-10 11:49:47,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 11:49:47,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:47,735 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 11:49:48,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:48,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 169 states and 319 transitions. [2018-11-10 11:49:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 319 transitions. [2018-11-10 11:49:48,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 11:49:48,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:48,127 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 11:49:48,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:48,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 171 states and 325 transitions. [2018-11-10 11:49:48,348 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 325 transitions. [2018-11-10 11:49:48,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 11:49:48,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:48,377 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 11:49:48,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:48,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 172 states and 326 transitions. [2018-11-10 11:49:48,579 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 326 transitions. [2018-11-10 11:49:48,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 11:49:48,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:48,606 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 11:49:50,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:50,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 186 states and 362 transitions. [2018-11-10 11:49:50,474 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 362 transitions. [2018-11-10 11:49:50,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 11:49:50,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:50,498 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 11:49:50,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:50,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 189 states and 370 transitions. [2018-11-10 11:49:50,803 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 370 transitions. [2018-11-10 11:49:50,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 11:49:50,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:51,136 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 11:49:53,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:53,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 202 states and 403 transitions. [2018-11-10 11:49:53,299 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 403 transitions. [2018-11-10 11:49:53,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 11:49:53,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 11:49:53,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:53,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 205 states and 407 transitions. [2018-11-10 11:49:53,680 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 407 transitions. [2018-11-10 11:49:53,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 11:49:53,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 11:49:54,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:54,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 210 states and 419 transitions. [2018-11-10 11:49:54,279 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 419 transitions. [2018-11-10 11:49:54,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 11:49:54,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:54,300 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 11:49:54,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:54,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 213 states and 423 transitions. [2018-11-10 11:49:54,665 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 423 transitions. [2018-11-10 11:49:54,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 11:49:54,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:54,685 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 11:49:54,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:54,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 214 states and 422 transitions. [2018-11-10 11:49:54,833 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 422 transitions. [2018-11-10 11:49:54,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 11:49:54,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:54,846 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 11:49:54,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:54,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 215 states and 419 transitions. [2018-11-10 11:49:54,856 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 419 transitions. [2018-11-10 11:49:54,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 11:49:54,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:54,877 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 11:49:55,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 216 states and 424 transitions. [2018-11-10 11:49:55,133 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 424 transitions. [2018-11-10 11:49:55,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 11:49:55,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:55,151 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 11:49:55,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:55,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 217 states and 427 transitions. [2018-11-10 11:49:55,397 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 427 transitions. [2018-11-10 11:49:55,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 11:49:55,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 11:49:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:56,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 227 states and 454 transitions. [2018-11-10 11:49:56,277 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 454 transitions. [2018-11-10 11:49:56,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 11:49:56,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:56,300 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 11:49:56,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:56,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 234 states and 475 transitions. [2018-11-10 11:49:56,784 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 475 transitions. [2018-11-10 11:49:56,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 11:49:56,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 11:49:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 234 states and 470 transitions. [2018-11-10 11:49:58,224 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 470 transitions. [2018-11-10 11:49:58,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 11:49:58,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:58,242 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 11:49:58,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:58,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 235 states and 471 transitions. [2018-11-10 11:49:58,257 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 471 transitions. [2018-11-10 11:49:58,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 11:49:58,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:58,278 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 11:49:59,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:59,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 243 states and 494 transitions. [2018-11-10 11:49:59,470 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 494 transitions. [2018-11-10 11:49:59,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 11:49:59,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:59,495 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 11:50:00,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:00,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 250 states and 517 transitions. [2018-11-10 11:50:00,203 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 517 transitions. [2018-11-10 11:50:00,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 11:50:00,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:50:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:50:00,231 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 11:50:00,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:00,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 253 states and 525 transitions. [2018-11-10 11:50:00,508 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 525 transitions. [2018-11-10 11:50:00,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 11:50:00,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:50:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:50:00,535 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 11:50:00,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:00,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 256 states and 530 transitions. [2018-11-10 11:50:00,815 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 530 transitions. [2018-11-10 11:50:00,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 11:50:00,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:50:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:50:00,831 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 11:50:01,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 258 states and 533 transitions. [2018-11-10 11:50:01,111 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 533 transitions. [2018-11-10 11:50:01,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 11:50:01,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:50:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:50:01,127 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 11:50:01,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:01,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 259 states and 534 transitions. [2018-11-10 11:50:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 534 transitions. [2018-11-10 11:50:01,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-10 11:50:01,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:50:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:50:01,197 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 11:50:01,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:01,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 254 states and 522 transitions. [2018-11-10 11:50:01,226 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 522 transitions. [2018-11-10 11:50:01,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 11:50:01,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:50:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:50:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 31 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 11:50:01,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:01,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 256 states and 527 transitions. [2018-11-10 11:50:01,714 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 527 transitions. [2018-11-10 11:50:01,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 11:50:01,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:50:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:50:02,082 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 11:50:03,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 264 states and 541 transitions. [2018-11-10 11:50:03,322 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 541 transitions. [2018-11-10 11:50:03,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 11:50:03,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:50:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:50:03,524 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 11:50:03,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:03,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 265 states and 542 transitions. [2018-11-10 11:50:03,545 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 542 transitions. [2018-11-10 11:50:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-10 11:50:03,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:50:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:50:03,566 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 11:50:03,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:03,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 266 states and 543 transitions. [2018-11-10 11:50:03,590 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 543 transitions. [2018-11-10 11:50:03,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 11:50:03,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:50:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:50:03,610 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-10 11:50:04,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:04,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 270 states and 553 transitions. [2018-11-10 11:50:04,256 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 553 transitions. [2018-11-10 11:50:04,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 11:50:04,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:50:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:50:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 11:50:04,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:04,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 272 states and 562 transitions. [2018-11-10 11:50:04,340 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 562 transitions. [2018-11-10 11:50:04,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 11:50:04,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:50:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:50:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 11:50:05,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:05,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 272 states and 559 transitions. [2018-11-10 11:50:05,351 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 559 transitions. [2018-11-10 11:50:05,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-10 11:50:05,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:50:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:50:05,453 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 60 proven. 18 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 11:50:05,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:05,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 274 states and 563 transitions. [2018-11-10 11:50:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 563 transitions. [2018-11-10 11:50:05,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 11:50:05,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:50:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:50:05,947 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 57 proven. 24 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 11:50:06,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:50:06,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 99 states and 131 transitions. [2018-11-10 11:50:06,528 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 131 transitions. [2018-11-10 11:50:06,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:50:06,529 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 58 iterations. [2018-11-10 11:50:06,537 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 11:50:06,946 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:50:06,949 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-11-10 11:50:06,953 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:50:06,953 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:50:06,953 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:50:06,953 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:50:06,953 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:50:06,954 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:50:06,954 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:50:06,954 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:50:06,954 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:50:06,954 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:50:06,954 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-10 11:50:06,955 INFO L582 CodeCheckObserver]: Invariant with dag size 20 [2018-11-10 11:50:06,956 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 11:50:06,956 INFO L582 CodeCheckObserver]: Invariant with dag size 16 [2018-11-10 11:50:06,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 11:50:06 ImpRootNode [2018-11-10 11:50:06,958 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 11:50:06,959 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:50:06,959 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:50:06,959 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:50:06,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:49:37" (3/4) ... [2018-11-10 11:50:06,963 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:50:06,967 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 11:50:06,967 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 11:50:06,967 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 11:50:06,967 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 11:50:06,967 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 11:50:06,968 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 11:50:06,974 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2018-11-10 11:50:06,974 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-10 11:50:06,975 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 11:50:06,997 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(0 == pumpRunning) [2018-11-10 11:50:06,998 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical)) [2018-11-10 11:50:06,998 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (tmp == methaneLevelCritical || (!(0 == methAndRunningLastTime) && !(0 == tmp))) || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp)) [2018-11-10 11:50:06,999 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methAndRunningLastTime || 0 == methaneLevelCritical) || (methAndRunningLastTime == 1 && 0 == systemActive)) || (!(\old(pumpRunning) == 0) && !(0 == systemActive))) || (!(pumpRunning == \old(pumpRunning)) && !(0 == systemActive)) [2018-11-10 11:50:07,035 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1826955b-cbb0-4745-99b7-72c271e9ef22/bin-2019/ukojak/witness.graphml [2018-11-10 11:50:07,035 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:50:07,036 INFO L168 Benchmark]: Toolchain (without parser) took 31111.28 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 687.3 MB). Free memory was 960.2 MB in the beginning and 985.7 MB in the end (delta: -25.5 MB). Peak memory consumption was 661.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:50:07,037 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:50:07,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.56 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:50:07,037 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 936.1 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:50:07,038 INFO L168 Benchmark]: Boogie Preprocessor took 24.24 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 11:50:07,038 INFO L168 Benchmark]: RCFGBuilder took 1546.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 118.4 MB). Peak memory consumption was 118.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:50:07,038 INFO L168 Benchmark]: CodeCheck took 28967.65 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 545.8 MB). Free memory was 1.0 GB in the beginning and 985.7 MB in the end (delta: 28.3 MB). Peak memory consumption was 574.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:50:07,038 INFO L168 Benchmark]: Witness Printer took 76.50 ms. Allocated memory is still 1.7 GB. Free memory was 985.7 MB in the beginning and 985.7 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-10 11:50:07,040 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 115 locations, 1 error locations. SAFE Result, 28.5s OverallTime, 58 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 681348200 SDtfs, 962711536 SDslu, 792894284 SDs, 0 SdLazy, 1952594138 SolverSat, 158618926 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 53.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31964 GetRequests, 31294 SyntacticMatches, 204 SemanticMatches, 466 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110723 ImplicationChecksByTransitivity, 24.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 2847 NumberOfCodeBlocks, 2847 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 2790 ConstructedInterpolants, 0 QuantifiedInterpolants, 359613 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 57 InterpolantComputations, 27 PerfectInterpolantSequences, 1232/1460 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 917]: 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: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(0 == pumpRunning) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (((0 == methAndRunningLastTime || 0 == methaneLevelCritical) || (methAndRunningLastTime == 1 && 0 == systemActive)) || (!(\old(pumpRunning) == 0) && !(0 == systemActive))) || (!(pumpRunning == \old(pumpRunning)) && !(0 == systemActive)) - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && 0 == pumpRunning - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (tmp == methaneLevelCritical || (!(0 == methAndRunningLastTime) && !(0 == tmp))) || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 397.56 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 936.1 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.24 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1546.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 118.4 MB). Peak memory consumption was 118.4 MB. Max. memory is 11.5 GB. * CodeCheck took 28967.65 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 545.8 MB). Free memory was 1.0 GB in the beginning and 985.7 MB in the end (delta: 28.3 MB). Peak memory consumption was 574.1 MB. Max. memory is 11.5 GB. * Witness Printer took 76.50 ms. Allocated memory is still 1.7 GB. Free memory was 985.7 MB in the beginning and 985.7 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...