./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product47_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_7da41e22-62dd-413e-bffd-11e263480cda/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7da41e22-62dd-413e-bffd-11e263480cda/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7da41e22-62dd-413e-bffd-11e263480cda/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7da41e22-62dd-413e-bffd-11e263480cda/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7da41e22-62dd-413e-bffd-11e263480cda/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7da41e22-62dd-413e-bffd-11e263480cda/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 ef0694c6828fdd41a19c9b426d075f4f4dde925f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:25:59,775 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:25:59,777 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:25:59,785 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:25:59,785 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:25:59,786 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:25:59,787 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:25:59,788 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:25:59,790 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:25:59,790 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:25:59,791 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:25:59,793 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:25:59,794 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:25:59,795 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:25:59,796 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:25:59,796 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:25:59,797 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:25:59,798 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:25:59,800 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:25:59,801 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:25:59,802 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:25:59,803 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:25:59,805 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:25:59,806 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:25:59,806 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:25:59,807 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:25:59,808 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:25:59,809 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:25:59,809 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:25:59,810 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:25:59,811 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:25:59,811 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:25:59,812 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:25:59,812 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:25:59,813 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:25:59,814 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:25:59,814 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7da41e22-62dd-413e-bffd-11e263480cda/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 19:25:59,825 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:25:59,826 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:25:59,826 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:25:59,826 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:25:59,827 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:25:59,827 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:25:59,827 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:25:59,828 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:25:59,828 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:25:59,828 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:25:59,828 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:25:59,829 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:25:59,829 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:25:59,829 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:25:59,829 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:25:59,829 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:25:59,829 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:25:59,829 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:25:59,830 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:25:59,830 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:25:59,830 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:25:59,830 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:25:59,830 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:25:59,830 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:25:59,830 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:25:59,831 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 19:25:59,831 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:25:59,831 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:25:59,831 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_7da41e22-62dd-413e-bffd-11e263480cda/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 -> ef0694c6828fdd41a19c9b426d075f4f4dde925f [2018-10-26 19:25:59,868 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:25:59,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:25:59,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:25:59,882 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:25:59,883 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:25:59,883 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7da41e22-62dd-413e-bffd-11e263480cda/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-10-26 19:25:59,935 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7da41e22-62dd-413e-bffd-11e263480cda/bin-2019/ukojak/data/270b01df3/16a841347b964269b7742d6f546aa28c/FLAG3288ae362 [2018-10-26 19:26:00,354 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:26:00,355 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7da41e22-62dd-413e-bffd-11e263480cda/sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-10-26 19:26:00,364 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7da41e22-62dd-413e-bffd-11e263480cda/bin-2019/ukojak/data/270b01df3/16a841347b964269b7742d6f546aa28c/FLAG3288ae362 [2018-10-26 19:26:00,376 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7da41e22-62dd-413e-bffd-11e263480cda/bin-2019/ukojak/data/270b01df3/16a841347b964269b7742d6f546aa28c [2018-10-26 19:26:00,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:26:00,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:26:00,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:26:00,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:26:00,384 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:26:00,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:26:00" (1/1) ... [2018-10-26 19:26:00,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51583821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:00, skipping insertion in model container [2018-10-26 19:26:00,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:26:00" (1/1) ... [2018-10-26 19:26:00,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:26:00,432 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:26:00,682 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:26:00,702 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:26:00,779 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:26:00,809 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:26:00,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:00 WrapperNode [2018-10-26 19:26:00,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:26:00,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:26:00,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:26:00,810 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:26:00,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:00" (1/1) ... [2018-10-26 19:26:00,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:00" (1/1) ... [2018-10-26 19:26:00,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:26:00,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:26:00,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:26:00,948 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:26:00,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:00" (1/1) ... [2018-10-26 19:26:00,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:00" (1/1) ... [2018-10-26 19:26:00,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:00" (1/1) ... [2018-10-26 19:26:00,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:00" (1/1) ... [2018-10-26 19:26:00,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:00" (1/1) ... [2018-10-26 19:26:00,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:00" (1/1) ... [2018-10-26 19:26:00,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:00" (1/1) ... [2018-10-26 19:26:00,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:26:01,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:26:01,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:26:01,000 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:26:01,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7da41e22-62dd-413e-bffd-11e263480cda/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 [2018-10-26 19:26:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 19:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 19:26:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 19:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 19:26:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 19:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 19:26:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 19:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 19:26:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 19:26:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 19:26:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 19:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 19:26:01,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 19:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 19:26:01,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 19:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 19:26:01,063 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 19:26:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 19:26:01,066 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 19:26:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:26:01,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:26:03,725 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:26:03,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:26:03 BoogieIcfgContainer [2018-10-26 19:26:03,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:26:03,726 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:26:03,726 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:26:03,736 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:26:03,736 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:26:03" (1/1) ... [2018-10-26 19:26:03,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:26:03,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:03,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2018-10-26 19:26:03,782 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2018-10-26 19:26:03,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 19:26:03,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:03,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:26:03,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 73 states and 95 transitions. [2018-10-26 19:26:03,994 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2018-10-26 19:26:03,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:26:03,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:04,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:26:04,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:04,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 76 states and 99 transitions. [2018-10-26 19:26:04,237 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2018-10-26 19:26:04,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 19:26:04,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:04,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:26:04,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:04,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 87 states and 120 transitions. [2018-10-26 19:26:04,675 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 120 transitions. [2018-10-26 19:26:04,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 19:26:04,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:04,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:26:04,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:04,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 88 states and 121 transitions. [2018-10-26 19:26:04,725 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 121 transitions. [2018-10-26 19:26:04,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 19:26:04,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:04,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:26:04,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:04,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 89 states and 122 transitions. [2018-10-26 19:26:04,806 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2018-10-26 19:26:04,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 19:26:04,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:04,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:26:04,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:04,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 90 states and 123 transitions. [2018-10-26 19:26:04,913 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 123 transitions. [2018-10-26 19:26:04,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 19:26:04,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:05,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:26:05,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 108 states and 159 transitions. [2018-10-26 19:26:05,706 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2018-10-26 19:26:05,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 19:26:05,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:05,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:26:06,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:06,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 128 states and 196 transitions. [2018-10-26 19:26:06,873 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 196 transitions. [2018-10-26 19:26:06,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 19:26:06,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:07,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:26:08,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:08,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 132 states and 202 transitions. [2018-10-26 19:26:08,017 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 202 transitions. [2018-10-26 19:26:08,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 19:26:08,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:08,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:26:08,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:08,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 133 states and 205 transitions. [2018-10-26 19:26:08,289 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 205 transitions. [2018-10-26 19:26:08,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 19:26:08,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:08,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:26:09,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:09,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 135 states and 207 transitions. [2018-10-26 19:26:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 207 transitions. [2018-10-26 19:26:09,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 19:26:09,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:09,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:26:09,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:09,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 141 states and 220 transitions. [2018-10-26 19:26:09,283 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 220 transitions. [2018-10-26 19:26:09,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 19:26:09,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:09,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:26:09,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:09,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 147 states and 232 transitions. [2018-10-26 19:26:09,574 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 232 transitions. [2018-10-26 19:26:09,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 19:26:09,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:09,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:26:09,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:09,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 150 states and 240 transitions. [2018-10-26 19:26:09,843 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 240 transitions. [2018-10-26 19:26:09,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 19:26:09,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 19:26:11,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:11,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 151 states and 239 transitions. [2018-10-26 19:26:11,049 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 239 transitions. [2018-10-26 19:26:11,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 19:26:11,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:11,139 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 19:26:11,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:11,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 162 states and 263 transitions. [2018-10-26 19:26:11,925 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 263 transitions. [2018-10-26 19:26:11,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 19:26:11,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 19:26:12,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:12,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 163 states and 266 transitions. [2018-10-26 19:26:12,439 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 266 transitions. [2018-10-26 19:26:12,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 19:26:12,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 19:26:13,296 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 19:26:13,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:13,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 170 states and 282 transitions. [2018-10-26 19:26:13,897 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 282 transitions. [2018-10-26 19:26:13,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 19:26:13,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 19:26:14,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:14,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 178 states and 296 transitions. [2018-10-26 19:26:14,277 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 296 transitions. [2018-10-26 19:26:14,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 19:26:14,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:14,304 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 19:26:14,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:14,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 181 states and 298 transitions. [2018-10-26 19:26:14,761 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 298 transitions. [2018-10-26 19:26:14,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 19:26:14,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 19:26:15,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:15,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 184 states and 304 transitions. [2018-10-26 19:26:15,895 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 304 transitions. [2018-10-26 19:26:15,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 19:26:15,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 19:26:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:15,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 185 states and 305 transitions. [2018-10-26 19:26:15,958 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 305 transitions. [2018-10-26 19:26:15,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 19:26:15,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 19:26:16,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 186 states and 306 transitions. [2018-10-26 19:26:16,082 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 306 transitions. [2018-10-26 19:26:16,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 19:26:16,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:16,107 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:26:16,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:16,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 187 states and 306 transitions. [2018-10-26 19:26:16,115 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 306 transitions. [2018-10-26 19:26:16,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 19:26:16,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:26:17,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 204 states and 345 transitions. [2018-10-26 19:26:17,651 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 345 transitions. [2018-10-26 19:26:17,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 19:26:17,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:17,676 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 19:26:17,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:17,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 205 states and 346 transitions. [2018-10-26 19:26:17,753 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 346 transitions. [2018-10-26 19:26:17,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 19:26:17,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:18,124 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:26:18,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:18,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 208 states and 349 transitions. [2018-10-26 19:26:18,325 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 349 transitions. [2018-10-26 19:26:18,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 19:26:18,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:18,497 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:26:19,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:19,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 221 states and 375 transitions. [2018-10-26 19:26:19,837 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 375 transitions. [2018-10-26 19:26:19,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 19:26:19,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:20,207 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:26:20,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:20,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 221 states and 374 transitions. [2018-10-26 19:26:20,490 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 374 transitions. [2018-10-26 19:26:20,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 19:26:20,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:20,638 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 19:26:20,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:20,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 222 states and 374 transitions. [2018-10-26 19:26:20,646 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 374 transitions. [2018-10-26 19:26:20,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 19:26:20,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:20,731 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:26:20,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:20,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 223 states and 375 transitions. [2018-10-26 19:26:20,742 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 375 transitions. [2018-10-26 19:26:20,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 19:26:20,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:21,110 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:26:21,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:21,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 224 states and 376 transitions. [2018-10-26 19:26:21,139 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 376 transitions. [2018-10-26 19:26:21,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 19:26:21,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 19:26:21,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:21,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 227 states and 380 transitions. [2018-10-26 19:26:21,429 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 380 transitions. [2018-10-26 19:26:21,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-26 19:26:21,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:21,489 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:26:21,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:21,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 223 states and 372 transitions. [2018-10-26 19:26:21,716 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 372 transitions. [2018-10-26 19:26:21,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 19:26:21,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 19:26:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 224 states and 373 transitions. [2018-10-26 19:26:21,860 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 373 transitions. [2018-10-26 19:26:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 19:26:21,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:21,953 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:26:22,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:22,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 227 states and 375 transitions. [2018-10-26 19:26:22,155 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 375 transitions. [2018-10-26 19:26:22,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 19:26:22,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:22,175 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 19:26:22,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:22,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 231 states and 382 transitions. [2018-10-26 19:26:22,551 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 382 transitions. [2018-10-26 19:26:22,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 19:26:22,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:22,571 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 19:26:22,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 232 states and 382 transitions. [2018-10-26 19:26:22,586 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 382 transitions. [2018-10-26 19:26:22,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 19:26:22,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 19:26:23,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:23,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 235 states and 385 transitions. [2018-10-26 19:26:23,250 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 385 transitions. [2018-10-26 19:26:23,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 19:26:23,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:23,528 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 19:26:24,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:24,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 242 states and 399 transitions. [2018-10-26 19:26:24,770 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 399 transitions. [2018-10-26 19:26:24,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 19:26:24,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:24,978 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 19:26:25,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:25,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 244 states and 400 transitions. [2018-10-26 19:26:25,519 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 400 transitions. [2018-10-26 19:26:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 19:26:25,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 19:26:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:25,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 245 states and 401 transitions. [2018-10-26 19:26:25,581 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 401 transitions. [2018-10-26 19:26:25,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 19:26:25,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:25,600 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 19:26:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 246 states and 404 transitions. [2018-10-26 19:26:25,900 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 404 transitions. [2018-10-26 19:26:25,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 19:26:25,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:25,919 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 19:26:26,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:26,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 244 states and 400 transitions. [2018-10-26 19:26:26,133 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 400 transitions. [2018-10-26 19:26:26,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 19:26:26,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 19:26:26,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:26,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 246 states and 403 transitions. [2018-10-26 19:26:26,258 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 403 transitions. [2018-10-26 19:26:26,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 19:26:26,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 19:26:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 248 states and 405 transitions. [2018-10-26 19:26:26,578 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 405 transitions. [2018-10-26 19:26:26,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 19:26:26,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:26,599 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 19:26:26,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:26,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 249 states and 405 transitions. [2018-10-26 19:26:26,910 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 405 transitions. [2018-10-26 19:26:26,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 19:26:26,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 19:26:27,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:27,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 240 states and 388 transitions. [2018-10-26 19:26:27,288 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 388 transitions. [2018-10-26 19:26:27,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 19:26:27,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:27,314 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 19:26:27,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:27,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 236 states and 378 transitions. [2018-10-26 19:26:27,529 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 378 transitions. [2018-10-26 19:26:27,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 19:26:27,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:27,549 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 19:26:27,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:27,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 215 states and 340 transitions. [2018-10-26 19:26:27,596 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 340 transitions. [2018-10-26 19:26:27,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-26 19:26:27,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:27,619 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 19:26:28,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:28,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 205 states and 321 transitions. [2018-10-26 19:26:28,078 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 321 transitions. [2018-10-26 19:26:28,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-26 19:26:28,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:28,105 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 19:26:28,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:28,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 213 states and 330 transitions. [2018-10-26 19:26:28,333 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 330 transitions. [2018-10-26 19:26:28,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 19:26:28,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:28,693 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 19:26:29,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:29,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 212 states and 326 transitions. [2018-10-26 19:26:29,497 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 326 transitions. [2018-10-26 19:26:29,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 19:26:29,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:29,522 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 19:26:30,628 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 19:26:31,564 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 19:26:32,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:32,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 219 states and 338 transitions. [2018-10-26 19:26:32,792 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 338 transitions. [2018-10-26 19:26:32,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 19:26:32,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:32,817 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 19:26:33,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:33,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 220 states and 341 transitions. [2018-10-26 19:26:33,105 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 341 transitions. [2018-10-26 19:26:33,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-26 19:26:33,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 19:26:34,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:34,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 226 states and 352 transitions. [2018-10-26 19:26:34,022 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 352 transitions. [2018-10-26 19:26:34,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-26 19:26:34,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:34,083 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 19:26:34,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:34,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 227 states and 353 transitions. [2018-10-26 19:26:34,097 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 353 transitions. [2018-10-26 19:26:34,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 19:26:34,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:34,789 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 19:26:35,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:35,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 227 states and 350 transitions. [2018-10-26 19:26:35,990 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 350 transitions. [2018-10-26 19:26:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-26 19:26:35,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:36,017 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-26 19:26:36,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:36,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 228 states and 351 transitions. [2018-10-26 19:26:36,134 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 351 transitions. [2018-10-26 19:26:36,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 19:26:36,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 19:26:36,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:36,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 229 states and 352 transitions. [2018-10-26 19:26:36,441 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 352 transitions. [2018-10-26 19:26:36,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 19:26:36,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:26:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:36,928 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 54 proven. 8 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-26 19:26:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:26:37,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 174 states and 243 transitions. [2018-10-26 19:26:37,289 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 243 transitions. [2018-10-26 19:26:37,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:26:37,290 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 62 iterations. [2018-10-26 19:26:37,297 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 19:26:37,597 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:26:37,599 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 19:26:37,602 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:26:37,602 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-10-26 19:26:37,603 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 19:26:37,604 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:26:37,604 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:26:37,604 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:26:37,604 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:26:37,604 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:26:37,604 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:26:37,604 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-10-26 19:26:37,605 INFO L582 CodeCheckObserver]: Invariant with dag size 10 [2018-10-26 19:26:37,605 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:26:37,605 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:26:37,605 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:26:37,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:26:37 ImpRootNode [2018-10-26 19:26:37,606 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:26:37,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:26:37,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:26:37,606 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:26:37,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:26:03" (3/4) ... [2018-10-26 19:26:37,610 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:26:37,615 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 19:26:37,615 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 19:26:37,615 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 19:26:37,615 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 19:26:37,615 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 19:26:37,615 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 19:26:37,616 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 19:26:37,616 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-26 19:26:37,616 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 19:26:37,622 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2018-10-26 19:26:37,623 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-10-26 19:26:37,623 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-26 19:26:37,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-10-26 19:26:37,647 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2018-10-26 19:26:37,647 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || tmp == methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && tmp == 0) [2018-10-26 19:26:37,690 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7da41e22-62dd-413e-bffd-11e263480cda/bin-2019/ukojak/witness.graphml [2018-10-26 19:26:37,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:26:37,691 INFO L168 Benchmark]: Toolchain (without parser) took 37311.97 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 423.6 MB). Free memory was 957.0 MB in the beginning and 1.2 GB in the end (delta: -194.6 MB). Peak memory consumption was 229.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:26:37,691 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:26:37,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.02 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 932.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:26:37,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 932.8 MB in the beginning and 1.1 GB in the end (delta: -213.6 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:26:37,692 INFO L168 Benchmark]: Boogie Preprocessor took 51.41 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:26:37,692 INFO L168 Benchmark]: RCFGBuilder took 2726.32 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: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. [2018-10-26 19:26:37,693 INFO L168 Benchmark]: CodeCheck took 33879.41 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 272.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -128.2 MB). Peak memory consumption was 144.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:26:37,693 INFO L168 Benchmark]: Witness Printer took 84.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:26:37,694 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 10 procedures, 139 locations, 1 error locations. SAFE Result, 33.5s OverallTime, 62 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2111265816 SDtfs, -116449220 SDslu, 655339000 SDs, 0 SdLazy, -161018404 SolverSat, -2062418764 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 94.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30673 GetRequests, 29891 SyntacticMatches, 434 SemanticMatches, 348 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61931 ImplicationChecksByTransitivity, 28.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 3193 NumberOfCodeBlocks, 3193 NumberOfCodeBlocksAsserted, 61 NumberOfCheckSat, 3132 ConstructedInterpolants, 0 QuantifiedInterpolants, 361922 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 61 InterpolantComputations, 48 PerfectInterpolantSequences, 1376/1438 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: 73]: 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: 432]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && tmp == 1) && tmp == systemActive - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || tmp == methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && tmp == 0) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 3 < splverifierCounter) || 0 == pumpRunning - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 429.02 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 932.8 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 137.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 932.8 MB in the beginning and 1.1 GB in the end (delta: -213.6 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.41 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2726.32 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: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. * CodeCheck took 33879.41 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 272.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -128.2 MB). Peak memory consumption was 144.4 MB. Max. memory is 11.5 GB. * Witness Printer took 84.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...