./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_69aaf79c-3970-4fc6-bea1-21dd503a28b9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_69aaf79c-3970-4fc6-bea1-21dd503a28b9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_69aaf79c-3970-4fc6-bea1-21dd503a28b9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_69aaf79c-3970-4fc6-bea1-21dd503a28b9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_69aaf79c-3970-4fc6-bea1-21dd503a28b9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_69aaf79c-3970-4fc6-bea1-21dd503a28b9/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 17a573274f1db5e4aeb22956c61c459b952d0c5d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:26:21,881 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:26:21,883 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:26:21,891 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:26:21,891 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:26:21,892 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:26:21,893 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:26:21,894 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:26:21,895 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:26:21,896 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:26:21,897 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:26:21,897 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:26:21,897 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:26:21,898 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:26:21,899 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:26:21,899 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:26:21,900 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:26:21,901 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:26:21,903 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:26:21,904 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:26:21,905 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:26:21,905 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:26:21,907 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:26:21,907 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:26:21,907 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:26:21,908 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:26:21,909 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:26:21,909 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:26:21,910 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:26:21,911 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:26:21,911 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:26:21,911 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:26:21,912 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:26:21,912 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:26:21,913 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:26:21,913 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:26:21,913 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_69aaf79c-3970-4fc6-bea1-21dd503a28b9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 01:26:21,921 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:26:21,922 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:26:21,922 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:26:21,922 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 01:26:21,923 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:26:21,923 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:26:21,923 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:26:21,923 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:26:21,923 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:26:21,923 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:26:21,923 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:26:21,924 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:26:21,924 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:26:21,924 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:26:21,924 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:26:21,924 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:26:21,924 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:26:21,924 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:26:21,924 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 01:26:21,924 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 01:26:21,925 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:26:21,925 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:26:21,925 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 01:26:21,925 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:26:21,925 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:26:21,925 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:26:21,925 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 01:26:21,926 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:26:21,926 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:26:21,926 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_69aaf79c-3970-4fc6-bea1-21dd503a28b9/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 -> 17a573274f1db5e4aeb22956c61c459b952d0c5d [2018-11-23 01:26:21,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:26:21,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:26:21,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:26:21,961 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:26:21,962 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:26:21,962 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_69aaf79c-3970-4fc6-bea1-21dd503a28b9/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c [2018-11-23 01:26:21,998 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_69aaf79c-3970-4fc6-bea1-21dd503a28b9/bin-2019/ukojak/data/d892ab199/35bb18eda0b944e1a268e95f369a48cb/FLAG0e7324806 [2018-11-23 01:26:22,435 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:26:22,435 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_69aaf79c-3970-4fc6-bea1-21dd503a28b9/sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c [2018-11-23 01:26:22,442 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_69aaf79c-3970-4fc6-bea1-21dd503a28b9/bin-2019/ukojak/data/d892ab199/35bb18eda0b944e1a268e95f369a48cb/FLAG0e7324806 [2018-11-23 01:26:22,454 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_69aaf79c-3970-4fc6-bea1-21dd503a28b9/bin-2019/ukojak/data/d892ab199/35bb18eda0b944e1a268e95f369a48cb [2018-11-23 01:26:22,456 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:26:22,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:26:22,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:26:22,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:26:22,459 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:26:22,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:26:22" (1/1) ... [2018-11-23 01:26:22,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:22, skipping insertion in model container [2018-11-23 01:26:22,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:26:22" (1/1) ... [2018-11-23 01:26:22,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:26:22,498 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:26:22,680 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:26:22,733 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:26:22,788 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:26:22,809 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:26:22,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:22 WrapperNode [2018-11-23 01:26:22,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:26:22,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:26:22,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:26:22,810 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:26:22,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:22" (1/1) ... [2018-11-23 01:26:22,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:22" (1/1) ... [2018-11-23 01:26:22,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:26:22,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:26:22,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:26:22,848 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:26:22,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:22" (1/1) ... [2018-11-23 01:26:22,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:22" (1/1) ... [2018-11-23 01:26:22,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:22" (1/1) ... [2018-11-23 01:26:22,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:22" (1/1) ... [2018-11-23 01:26:22,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:22" (1/1) ... [2018-11-23 01:26:22,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:22" (1/1) ... [2018-11-23 01:26:22,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:22" (1/1) ... [2018-11-23 01:26:22,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:26:22,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:26:22,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:26:22,868 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:26:22,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_69aaf79c-3970-4fc6-bea1-21dd503a28b9/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 [2018-11-23 01:26:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:26:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 01:26:22,909 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 01:26:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 01:26:22,909 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 01:26:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 01:26:22,909 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 01:26:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 01:26:22,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 01:26:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 01:26:22,910 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 01:26:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 01:26:22,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 01:26:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 01:26:22,910 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 01:26:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 01:26:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 01:26:22,911 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 01:26:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:26:22,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:26:23,556 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:26:23,556 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-11-23 01:26:23,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:26:23 BoogieIcfgContainer [2018-11-23 01:26:23,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:26:23,557 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 01:26:23,557 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 01:26:23,566 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 01:26:23,566 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:26:23" (1/1) ... [2018-11-23 01:26:23,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:26:23,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:23,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2018-11-23 01:26:23,611 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2018-11-23 01:26:23,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 01:26:23,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:23,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:26:23,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:23,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2018-11-23 01:26:23,784 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2018-11-23 01:26:23,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 01:26:23,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:23,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:26:23,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:23,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2018-11-23 01:26:23,881 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2018-11-23 01:26:23,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 01:26:23,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:23,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:26:24,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:24,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 69 states and 94 transitions. [2018-11-23 01:26:24,050 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2018-11-23 01:26:24,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 01:26:24,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:24,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:26:24,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:24,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 77 states and 108 transitions. [2018-11-23 01:26:24,241 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2018-11-23 01:26:24,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 01:26:24,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:24,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:26:24,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:24,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 78 states and 109 transitions. [2018-11-23 01:26:24,297 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2018-11-23 01:26:24,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 01:26:24,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:24,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:26:24,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:24,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 79 states and 110 transitions. [2018-11-23 01:26:24,341 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2018-11-23 01:26:24,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 01:26:24,342 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:24,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:26:24,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:24,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 96 states and 146 transitions. [2018-11-23 01:26:24,793 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 146 transitions. [2018-11-23 01:26:24,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 01:26:24,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:24,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:26:24,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:24,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 97 states and 147 transitions. [2018-11-23 01:26:24,845 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 147 transitions. [2018-11-23 01:26:24,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 01:26:24,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:24,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:26:25,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:25,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 116 states and 184 transitions. [2018-11-23 01:26:25,805 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 184 transitions. [2018-11-23 01:26:25,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 01:26:25,806 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:25,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:26:25,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:25,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 120 states and 190 transitions. [2018-11-23 01:26:25,938 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 190 transitions. [2018-11-23 01:26:25,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 01:26:25,940 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:25,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:26:25,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:25,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 125 states and 200 transitions. [2018-11-23 01:26:25,982 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 200 transitions. [2018-11-23 01:26:25,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 01:26:25,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:26,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:26:26,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:26,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 129 states and 209 transitions. [2018-11-23 01:26:26,029 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 209 transitions. [2018-11-23 01:26:26,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 01:26:26,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:26,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:26:26,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:26,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 130 states and 210 transitions. [2018-11-23 01:26:26,072 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 210 transitions. [2018-11-23 01:26:26,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 01:26:26,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:26:26,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:26,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 136 states and 225 transitions. [2018-11-23 01:26:26,205 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 225 transitions. [2018-11-23 01:26:26,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 01:26:26,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:26:26,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:26,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 138 states and 230 transitions. [2018-11-23 01:26:26,475 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 230 transitions. [2018-11-23 01:26:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 01:26:26,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:26,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:26:26,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:26,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 136 states and 224 transitions. [2018-11-23 01:26:26,534 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 224 transitions. [2018-11-23 01:26:26,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 01:26:26,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:26:27,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:27,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 247 transitions. [2018-11-23 01:26:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 247 transitions. [2018-11-23 01:26:27,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 01:26:27,068 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:27,083 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:26:27,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:27,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 144 states and 243 transitions. [2018-11-23 01:26:27,112 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 243 transitions. [2018-11-23 01:26:27,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 01:26:27,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:27,302 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 01:26:27,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:27,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 147 states and 249 transitions. [2018-11-23 01:26:27,812 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 249 transitions. [2018-11-23 01:26:27,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 01:26:27,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:27,835 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:26:28,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:28,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 153 states and 262 transitions. [2018-11-23 01:26:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 262 transitions. [2018-11-23 01:26:28,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 01:26:28,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:28,290 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:26:28,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:28,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 154 states and 264 transitions. [2018-11-23 01:26:28,313 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 264 transitions. [2018-11-23 01:26:28,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 01:26:28,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:28,340 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:26:28,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:28,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 155 states and 266 transitions. [2018-11-23 01:26:28,369 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 266 transitions. [2018-11-23 01:26:28,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 01:26:28,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:28,386 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:26:28,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 163 states and 278 transitions. [2018-11-23 01:26:28,539 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 278 transitions. [2018-11-23 01:26:28,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 01:26:28,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:26:28,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:28,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 165 states and 279 transitions. [2018-11-23 01:26:28,703 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 279 transitions. [2018-11-23 01:26:28,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 01:26:28,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:28,719 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:26:28,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:28,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 166 states and 280 transitions. [2018-11-23 01:26:28,727 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 280 transitions. [2018-11-23 01:26:28,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 01:26:28,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 01:26:29,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:29,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 183 states and 321 transitions. [2018-11-23 01:26:29,858 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 321 transitions. [2018-11-23 01:26:29,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 01:26:29,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:29,881 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 01:26:30,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:30,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 185 states and 323 transitions. [2018-11-23 01:26:30,095 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 323 transitions. [2018-11-23 01:26:30,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 01:26:30,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:30,118 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 01:26:31,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:31,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 195 states and 347 transitions. [2018-11-23 01:26:31,106 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 347 transitions. [2018-11-23 01:26:31,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 01:26:31,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 01:26:31,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:31,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 197 states and 350 transitions. [2018-11-23 01:26:31,327 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 350 transitions. [2018-11-23 01:26:31,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 01:26:31,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:31,352 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 01:26:31,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:31,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 198 states and 351 transitions. [2018-11-23 01:26:31,368 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 351 transitions. [2018-11-23 01:26:31,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 01:26:31,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:31,392 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 01:26:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:31,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 201 states and 356 transitions. [2018-11-23 01:26:31,419 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 356 transitions. [2018-11-23 01:26:31,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 01:26:31,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:31,442 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 01:26:31,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:31,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 203 states and 358 transitions. [2018-11-23 01:26:31,484 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 358 transitions. [2018-11-23 01:26:31,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 01:26:31,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:31,574 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 01:26:31,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:31,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 204 states and 359 transitions. [2018-11-23 01:26:31,660 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 359 transitions. [2018-11-23 01:26:31,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 01:26:31,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 01:26:31,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:31,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 205 states and 360 transitions. [2018-11-23 01:26:31,706 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 360 transitions. [2018-11-23 01:26:31,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 01:26:31,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:31,725 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:26:31,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:31,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 201 states and 352 transitions. [2018-11-23 01:26:31,971 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 352 transitions. [2018-11-23 01:26:31,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 01:26:31,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:26:32,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:32,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 203 states and 353 transitions. [2018-11-23 01:26:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 353 transitions. [2018-11-23 01:26:32,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 01:26:32,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:32,416 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:26:32,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 205 states and 351 transitions. [2018-11-23 01:26:32,755 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 351 transitions. [2018-11-23 01:26:32,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 01:26:32,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 01:26:33,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:33,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 205 states and 349 transitions. [2018-11-23 01:26:33,129 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 349 transitions. [2018-11-23 01:26:33,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 01:26:33,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:33,166 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 01:26:33,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:33,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 211 states and 358 transitions. [2018-11-23 01:26:33,706 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 358 transitions. [2018-11-23 01:26:33,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 01:26:33,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:33,719 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 01:26:33,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:33,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 165 states and 266 transitions. [2018-11-23 01:26:33,731 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 266 transitions. [2018-11-23 01:26:33,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 01:26:33,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:33,743 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 01:26:33,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:33,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 170 states and 273 transitions. [2018-11-23 01:26:33,851 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 273 transitions. [2018-11-23 01:26:33,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 01:26:33,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:33,864 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 01:26:33,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:33,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 168 states and 269 transitions. [2018-11-23 01:26:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 269 transitions. [2018-11-23 01:26:33,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 01:26:33,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 01:26:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 169 states and 272 transitions. [2018-11-23 01:26:34,102 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 272 transitions. [2018-11-23 01:26:34,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 01:26:34,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:34,120 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 01:26:34,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:34,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 172 states and 275 transitions. [2018-11-23 01:26:34,179 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 275 transitions. [2018-11-23 01:26:34,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 01:26:34,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 01:26:34,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:34,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 174 states and 277 transitions. [2018-11-23 01:26:34,220 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 277 transitions. [2018-11-23 01:26:34,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 01:26:34,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:34,232 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 01:26:34,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:34,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 176 states and 280 transitions. [2018-11-23 01:26:34,247 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 280 transitions. [2018-11-23 01:26:34,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 01:26:34,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:34,261 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 01:26:34,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:34,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 167 states and 263 transitions. [2018-11-23 01:26:34,283 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 263 transitions. [2018-11-23 01:26:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-23 01:26:34,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:34,296 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 01:26:34,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:34,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 168 states and 264 transitions. [2018-11-23 01:26:34,319 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 264 transitions. [2018-11-23 01:26:34,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-23 01:26:34,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:34,332 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 01:26:34,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:34,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 104 states and 143 transitions. [2018-11-23 01:26:34,354 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions. [2018-11-23 01:26:34,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:26:34,354 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 50 iterations. [2018-11-23 01:26:34,362 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 01:26:34,576 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:26:34,578 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:26:34,578 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:26:34,578 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:26:34,578 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-23 01:26:34,581 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:26:34,581 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:26:34,581 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 01:26:34,582 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:26:34,582 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-23 01:26:34,583 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 01:26:34,583 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:26:34,583 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:26:34,584 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:26:34,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:26:34 ImpRootNode [2018-11-23 01:26:34,585 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 01:26:34,586 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:26:34,586 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:26:34,586 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:26:34,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:26:23" (3/4) ... [2018-11-23 01:26:34,590 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:26:34,593 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 01:26:34,594 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 01:26:34,594 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 01:26:34,594 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 01:26:34,594 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 01:26:34,594 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 01:26:34,594 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 01:26:34,594 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 01:26:34,599 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-11-23 01:26:34,600 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 01:26:34,600 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 01:26:34,600 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 01:26:34,601 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:26:34,601 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:26:34,601 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:26:34,622 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-23 01:26:34,623 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2018-11-23 01:26:34,653 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_69aaf79c-3970-4fc6-bea1-21dd503a28b9/bin-2019/ukojak/witness.graphml [2018-11-23 01:26:34,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:26:34,653 INFO L168 Benchmark]: Toolchain (without parser) took 12197.32 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 474.0 MB). Free memory was 956.6 MB in the beginning and 991.7 MB in the end (delta: -35.2 MB). Peak memory consumption was 438.8 MB. Max. memory is 11.5 GB. [2018-11-23 01:26:34,654 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-23 01:26:34,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 01:26:34,655 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.15 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:26:34,655 INFO L168 Benchmark]: Boogie Preprocessor took 19.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:26:34,655 INFO L168 Benchmark]: RCFGBuilder took 688.82 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: 77.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 11.5 GB. [2018-11-23 01:26:34,655 INFO L168 Benchmark]: CodeCheck took 11027.89 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 318.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.5 MB). Peak memory consumption was 369.8 MB. Max. memory is 11.5 GB. [2018-11-23 01:26:34,656 INFO L168 Benchmark]: Witness Printer took 67.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 991.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:26:34,657 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 9 procedures, 83 locations, 1 error locations. SAFE Result, 10.7s OverallTime, 50 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 195181076 SDtfs, -207814948 SDslu, 1783634492 SDs, 0 SdLazy, -1703172756 SolverSat, -708517468 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21752 GetRequests, 21265 SyntacticMatches, 223 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30360 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2137 NumberOfCodeBlocks, 2137 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 2088 ConstructedInterpolants, 0 QuantifiedInterpolants, 202935 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 38 PerfectInterpolantSequences, 714/763 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: 534]: 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: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && tmp == systemActive) && tmp == 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: !(tmp == 0) || methaneLevelCritical == tmp - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 352.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.15 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 688.82 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: 77.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 11.5 GB. * CodeCheck took 11027.89 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 318.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.5 MB). Peak memory consumption was 369.8 MB. Max. memory is 11.5 GB. * Witness Printer took 67.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 991.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...