./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product41_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1a4a8642-3fa1-4eec-8a6b-14a4f53a7178/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1a4a8642-3fa1-4eec-8a6b-14a4f53a7178/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1a4a8642-3fa1-4eec-8a6b-14a4f53a7178/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1a4a8642-3fa1-4eec-8a6b-14a4f53a7178/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product41_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1a4a8642-3fa1-4eec-8a6b-14a4f53a7178/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1a4a8642-3fa1-4eec-8a6b-14a4f53a7178/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 fa3516ef35b9a868c2359cecbd34fc3153ca14ae .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 16:10:17,837 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:10:17,838 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:10:17,845 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:10:17,846 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:10:17,846 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:10:17,847 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:10:17,847 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:10:17,848 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:10:17,849 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:10:17,849 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:10:17,849 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:10:17,850 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:10:17,850 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:10:17,851 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:10:17,851 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:10:17,851 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:10:17,852 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:10:17,853 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:10:17,854 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:10:17,854 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:10:17,855 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:10:17,856 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:10:17,856 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:10:17,856 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:10:17,856 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:10:17,857 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:10:17,857 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:10:17,858 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:10:17,858 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:10:17,858 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:10:17,859 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:10:17,859 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:10:17,859 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:10:17,859 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:10:17,860 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:10:17,860 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1a4a8642-3fa1-4eec-8a6b-14a4f53a7178/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 16:10:17,867 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:10:17,867 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:10:17,867 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:10:17,867 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 16:10:17,868 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 16:10:17,868 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 16:10:17,868 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:10:17,868 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:10:17,868 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:10:17,868 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:10:17,868 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:10:17,868 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:10:17,869 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:10:17,869 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:10:17,869 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:10:17,869 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:10:17,869 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 16:10:17,869 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:10:17,869 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 16:10:17,869 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 16:10:17,869 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:10:17,869 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:10:17,869 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 16:10:17,870 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:10:17,870 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:10:17,870 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:10:17,870 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 16:10:17,870 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:10:17,870 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:10:17,870 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_1a4a8642-3fa1-4eec-8a6b-14a4f53a7178/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 -> fa3516ef35b9a868c2359cecbd34fc3153ca14ae [2018-12-09 16:10:17,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:10:17,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:10:17,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:10:17,896 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:10:17,896 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:10:17,897 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1a4a8642-3fa1-4eec-8a6b-14a4f53a7178/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product41_false-unreach-call_false-termination.cil.c [2018-12-09 16:10:17,932 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a4a8642-3fa1-4eec-8a6b-14a4f53a7178/bin-2019/ukojak/data/08f46dbca/2e763eb4d27f48d0aef2f0be123301a1/FLAGca6ce39f6 [2018-12-09 16:10:18,291 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:10:18,291 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1a4a8642-3fa1-4eec-8a6b-14a4f53a7178/sv-benchmarks/c/product-lines/minepump_spec2_product41_false-unreach-call_false-termination.cil.c [2018-12-09 16:10:18,297 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a4a8642-3fa1-4eec-8a6b-14a4f53a7178/bin-2019/ukojak/data/08f46dbca/2e763eb4d27f48d0aef2f0be123301a1/FLAGca6ce39f6 [2018-12-09 16:10:18,664 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1a4a8642-3fa1-4eec-8a6b-14a4f53a7178/bin-2019/ukojak/data/08f46dbca/2e763eb4d27f48d0aef2f0be123301a1 [2018-12-09 16:10:18,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:10:18,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:10:18,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:10:18,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:10:18,675 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:10:18,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:10:18" (1/1) ... [2018-12-09 16:10:18,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a38489a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:18, skipping insertion in model container [2018-12-09 16:10:18,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:10:18" (1/1) ... [2018-12-09 16:10:18,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:10:18,708 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:10:18,887 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:10:18,898 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:10:18,981 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:10:18,998 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:10:18,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:18 WrapperNode [2018-12-09 16:10:18,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:10:18,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:10:18,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:10:18,999 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:10:19,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:18" (1/1) ... [2018-12-09 16:10:19,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:18" (1/1) ... [2018-12-09 16:10:19,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:10:19,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:10:19,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:10:19,036 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:10:19,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:18" (1/1) ... [2018-12-09 16:10:19,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:18" (1/1) ... [2018-12-09 16:10:19,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:18" (1/1) ... [2018-12-09 16:10:19,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:18" (1/1) ... [2018-12-09 16:10:19,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:18" (1/1) ... [2018-12-09 16:10:19,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:18" (1/1) ... [2018-12-09 16:10:19,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:18" (1/1) ... [2018-12-09 16:10:19,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:10:19,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:10:19,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:10:19,055 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:10:19,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:10:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a4a8642-3fa1-4eec-8a6b-14a4f53a7178/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 [2018-12-09 16:10:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 16:10:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 16:10:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 16:10:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 16:10:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 16:10:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 16:10:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 16:10:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 16:10:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 16:10:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 16:10:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 16:10:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 16:10:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 16:10:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 16:10:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:10:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:10:19,462 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:10:19,463 INFO L280 CfgBuilder]: Removed 40 assue(true) statements. [2018-12-09 16:10:19,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:10:19 BoogieIcfgContainer [2018-12-09 16:10:19,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:10:19,464 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 16:10:19,464 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 16:10:19,473 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 16:10:19,473 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:10:19" (1/1) ... [2018-12-09 16:10:19,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:10:19,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:19,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2018-12-09 16:10:19,516 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2018-12-09 16:10:19,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 16:10:19,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:19,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:10:19,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:19,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-12-09 16:10:19,638 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-12-09 16:10:19,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 16:10:19,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:19,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:10:19,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:19,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2018-12-09 16:10:19,700 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2018-12-09 16:10:19,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 16:10:19,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:19,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:10:19,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:19,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 60 states and 84 transitions. [2018-12-09 16:10:19,803 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2018-12-09 16:10:19,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 16:10:19,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:19,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:10:19,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 61 states and 85 transitions. [2018-12-09 16:10:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2018-12-09 16:10:19,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 16:10:19,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:19,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:10:20,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:20,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 71 states and 106 transitions. [2018-12-09 16:10:20,034 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 106 transitions. [2018-12-09 16:10:20,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 16:10:20,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:20,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:10:20,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:20,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 72 states and 107 transitions. [2018-12-09 16:10:20,064 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2018-12-09 16:10:20,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 16:10:20,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:20,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:10:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 73 states and 108 transitions. [2018-12-09 16:10:20,104 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2018-12-09 16:10:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 16:10:20,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:20,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:10:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2018-12-09 16:10:20,494 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2018-12-09 16:10:20,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 16:10:20,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:20,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 16:10:20,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:20,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 91 states and 143 transitions. [2018-12-09 16:10:20,529 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 143 transitions. [2018-12-09 16:10:20,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 16:10:20,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:20,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:10:20,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:20,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 92 states and 144 transitions. [2018-12-09 16:10:20,566 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 144 transitions. [2018-12-09 16:10:20,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 16:10:20,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:20,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:10:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:20,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 93 states and 145 transitions. [2018-12-09 16:10:20,596 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2018-12-09 16:10:20,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 16:10:20,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:20,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:10:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:20,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 98 states and 153 transitions. [2018-12-09 16:10:20,846 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 153 transitions. [2018-12-09 16:10:20,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 16:10:20,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:20,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:10:21,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:21,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 194 transitions. [2018-12-09 16:10:21,658 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 194 transitions. [2018-12-09 16:10:21,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 16:10:21,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:21,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:10:21,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:21,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 119 states and 195 transitions. [2018-12-09 16:10:21,692 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 195 transitions. [2018-12-09 16:10:21,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 16:10:21,693 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:21,742 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:10:22,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:22,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 210 transitions. [2018-12-09 16:10:22,021 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2018-12-09 16:10:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 16:10:22,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:22,049 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:10:22,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:22,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 123 states and 206 transitions. [2018-12-09 16:10:22,062 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 206 transitions. [2018-12-09 16:10:22,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 16:10:22,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:22,332 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 16:10:23,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:23,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 130 states and 226 transitions. [2018-12-09 16:10:23,092 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 226 transitions. [2018-12-09 16:10:23,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 16:10:23,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:10:23,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:23,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 132 states and 230 transitions. [2018-12-09 16:10:23,253 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 230 transitions. [2018-12-09 16:10:23,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 16:10:23,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:23,266 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:10:23,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:23,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 141 states and 248 transitions. [2018-12-09 16:10:23,495 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 248 transitions. [2018-12-09 16:10:23,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 16:10:23,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:23,512 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:10:23,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:23,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 142 states and 249 transitions. [2018-12-09 16:10:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 249 transitions. [2018-12-09 16:10:23,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 16:10:23,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:23,612 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:10:24,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:24,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 160 states and 306 transitions. [2018-12-09 16:10:24,552 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 306 transitions. [2018-12-09 16:10:24,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 16:10:24,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:24,569 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:10:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:24,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 161 states and 307 transitions. [2018-12-09 16:10:24,586 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 307 transitions. [2018-12-09 16:10:24,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 16:10:24,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:24,609 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:10:24,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:24,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 163 states and 309 transitions. [2018-12-09 16:10:24,795 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 309 transitions. [2018-12-09 16:10:24,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 16:10:24,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:24,808 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:10:25,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 174 states and 329 transitions. [2018-12-09 16:10:25,192 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 329 transitions. [2018-12-09 16:10:25,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 16:10:25,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:25,211 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:10:25,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:25,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 176 states and 330 transitions. [2018-12-09 16:10:25,352 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 330 transitions. [2018-12-09 16:10:25,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 16:10:25,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:10:26,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:26,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 186 states and 365 transitions. [2018-12-09 16:10:26,846 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 365 transitions. [2018-12-09 16:10:26,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 16:10:26,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:10:27,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 193 states and 378 transitions. [2018-12-09 16:10:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 378 transitions. [2018-12-09 16:10:27,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 16:10:27,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:27,108 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:10:27,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:27,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 194 states and 379 transitions. [2018-12-09 16:10:27,120 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 379 transitions. [2018-12-09 16:10:27,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 16:10:27,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:27,133 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:10:27,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:27,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 195 states and 380 transitions. [2018-12-09 16:10:27,153 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 380 transitions. [2018-12-09 16:10:27,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 16:10:27,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:27,167 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:10:27,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:27,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 197 states and 385 transitions. [2018-12-09 16:10:27,350 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 385 transitions. [2018-12-09 16:10:27,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 16:10:27,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:27,363 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:10:27,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:27,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 204 states and 395 transitions. [2018-12-09 16:10:27,548 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 395 transitions. [2018-12-09 16:10:27,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 16:10:27,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:10:27,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 205 states and 396 transitions. [2018-12-09 16:10:27,579 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 396 transitions. [2018-12-09 16:10:27,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 16:10:27,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:10:28,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:28,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 215 states and 423 transitions. [2018-12-09 16:10:28,296 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 423 transitions. [2018-12-09 16:10:28,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 16:10:28,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:28,314 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:10:28,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:28,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 216 states and 424 transitions. [2018-12-09 16:10:28,328 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 424 transitions. [2018-12-09 16:10:28,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 16:10:28,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:28,342 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:10:29,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:29,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 220 states and 441 transitions. [2018-12-09 16:10:29,264 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 441 transitions. [2018-12-09 16:10:29,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 16:10:29,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:29,352 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:10:29,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:29,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 222 states and 445 transitions. [2018-12-09 16:10:29,792 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 445 transitions. [2018-12-09 16:10:29,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 16:10:29,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:29,805 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:10:30,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:30,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 229 states and 474 transitions. [2018-12-09 16:10:30,239 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 474 transitions. [2018-12-09 16:10:30,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 16:10:30,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:30,251 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:10:30,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:30,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 230 states and 475 transitions. [2018-12-09 16:10:30,263 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 475 transitions. [2018-12-09 16:10:30,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 16:10:30,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:30,282 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:10:30,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:30,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 231 states and 476 transitions. [2018-12-09 16:10:30,296 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 476 transitions. [2018-12-09 16:10:30,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 16:10:30,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:10:31,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:31,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 238 states and 497 transitions. [2018-12-09 16:10:31,058 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 497 transitions. [2018-12-09 16:10:31,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 16:10:31,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:31,465 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 16:10:34,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:34,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 250 states and 533 transitions. [2018-12-09 16:10:34,058 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 533 transitions. [2018-12-09 16:10:34,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 16:10:34,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:34,071 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:10:34,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:34,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 248 states and 529 transitions. [2018-12-09 16:10:34,081 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 529 transitions. [2018-12-09 16:10:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 16:10:34,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:34,094 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:10:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:34,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 249 states and 530 transitions. [2018-12-09 16:10:34,106 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 530 transitions. [2018-12-09 16:10:34,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 16:10:34,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 16:10:34,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:34,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 252 states and 535 transitions. [2018-12-09 16:10:34,940 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 535 transitions. [2018-12-09 16:10:34,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 16:10:34,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:34,952 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:10:35,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 257 states and 543 transitions. [2018-12-09 16:10:35,179 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 543 transitions. [2018-12-09 16:10:35,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 16:10:35,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:35,198 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:10:35,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:35,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 258 states and 544 transitions. [2018-12-09 16:10:35,212 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 544 transitions. [2018-12-09 16:10:35,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 16:10:35,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:10:35,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:35,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 259 states and 545 transitions. [2018-12-09 16:10:35,235 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 545 transitions. [2018-12-09 16:10:35,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 16:10:35,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:35,246 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 16:10:35,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:35,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 263 states and 554 transitions. [2018-12-09 16:10:35,711 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 554 transitions. [2018-12-09 16:10:35,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 16:10:35,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:35,723 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 16:10:35,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:35,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 261 states and 550 transitions. [2018-12-09 16:10:35,739 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 550 transitions. [2018-12-09 16:10:35,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 16:10:35,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:35,939 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 16:10:36,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:36,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 262 states and 552 transitions. [2018-12-09 16:10:36,130 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 552 transitions. [2018-12-09 16:10:36,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 16:10:36,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:36,142 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 16:10:36,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:36,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 266 states and 560 transitions. [2018-12-09 16:10:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 560 transitions. [2018-12-09 16:10:36,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 16:10:36,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:36,602 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 16:10:36,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:36,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 264 states and 556 transitions. [2018-12-09 16:10:36,617 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 556 transitions. [2018-12-09 16:10:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 16:10:36,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:36,659 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:10:36,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:36,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 265 states and 557 transitions. [2018-12-09 16:10:36,725 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 557 transitions. [2018-12-09 16:10:36,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 16:10:36,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 16:10:37,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:37,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 269 states and 566 transitions. [2018-12-09 16:10:37,196 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 566 transitions. [2018-12-09 16:10:37,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 16:10:37,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:37,207 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 16:10:37,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:37,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 267 states and 562 transitions. [2018-12-09 16:10:37,222 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 562 transitions. [2018-12-09 16:10:37,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 16:10:37,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:37,247 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:10:37,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:37,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 268 states and 564 transitions. [2018-12-09 16:10:37,275 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 564 transitions. [2018-12-09 16:10:37,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 16:10:37,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:37,287 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 16:10:37,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:37,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 270 states and 568 transitions. [2018-12-09 16:10:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 568 transitions. [2018-12-09 16:10:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 16:10:37,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:37,557 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 16:10:37,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:37,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 272 states and 571 transitions. [2018-12-09 16:10:37,573 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 571 transitions. [2018-12-09 16:10:37,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 16:10:37,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:37,585 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 16:10:37,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:37,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 274 states and 574 transitions. [2018-12-09 16:10:37,600 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 574 transitions. [2018-12-09 16:10:37,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 16:10:37,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:37,613 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 16:10:37,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:37,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 265 states and 542 transitions. [2018-12-09 16:10:37,903 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 542 transitions. [2018-12-09 16:10:37,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 16:10:37,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:37,916 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 16:10:38,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:38,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 264 states and 538 transitions. [2018-12-09 16:10:38,402 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 538 transitions. [2018-12-09 16:10:38,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 16:10:38,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:38,438 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 16:10:38,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:38,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 264 states and 530 transitions. [2018-12-09 16:10:38,452 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 530 transitions. [2018-12-09 16:10:38,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 16:10:38,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:38,464 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 16:10:38,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:38,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 265 states and 531 transitions. [2018-12-09 16:10:38,491 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 531 transitions. [2018-12-09 16:10:38,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 16:10:38,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:38,503 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 16:10:38,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:38,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 266 states and 532 transitions. [2018-12-09 16:10:38,543 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 532 transitions. [2018-12-09 16:10:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 16:10:38,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:38,556 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-09 16:10:38,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:38,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 268 states and 533 transitions. [2018-12-09 16:10:38,838 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 533 transitions. [2018-12-09 16:10:38,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 16:10:38,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:38,850 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 16:10:39,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:39,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 270 states and 537 transitions. [2018-12-09 16:10:39,127 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 537 transitions. [2018-12-09 16:10:39,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 16:10:39,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:39,138 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 16:10:39,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:39,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 272 states and 541 transitions. [2018-12-09 16:10:39,427 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 541 transitions. [2018-12-09 16:10:39,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 16:10:39,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 16:10:39,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:39,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 267 states and 530 transitions. [2018-12-09 16:10:39,456 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 530 transitions. [2018-12-09 16:10:39,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 16:10:39,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:39,468 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 16:10:39,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:39,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 262 states and 517 transitions. [2018-12-09 16:10:39,491 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 517 transitions. [2018-12-09 16:10:39,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 16:10:39,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 16:10:40,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:40,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 260 states and 508 transitions. [2018-12-09 16:10:40,110 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 508 transitions. [2018-12-09 16:10:40,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 16:10:40,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-09 16:10:40,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 262 states and 509 transitions. [2018-12-09 16:10:40,386 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 509 transitions. [2018-12-09 16:10:40,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 16:10:40,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:40,401 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 16:10:40,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:40,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 258 states and 500 transitions. [2018-12-09 16:10:40,673 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 500 transitions. [2018-12-09 16:10:40,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 16:10:40,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:40,687 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 16:10:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:40,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 260 states and 503 transitions. [2018-12-09 16:10:40,944 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 503 transitions. [2018-12-09 16:10:40,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 16:10:40,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:10:41,615 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 16:10:47,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:10:47,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 277 states and 551 transitions. [2018-12-09 16:10:47,736 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 551 transitions. [2018-12-09 16:10:47,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 16:10:47,738 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:10:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:10:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:10:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:10:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:10:47,982 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 75 iterations. [2018-12-09 16:10:48,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:10:48 ImpRootNode [2018-12-09 16:10:48,109 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 16:10:48,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:10:48,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:10:48,110 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:10:48,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:10:19" (3/4) ... [2018-12-09 16:10:48,113 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 16:10:48,200 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1a4a8642-3fa1-4eec-8a6b-14a4f53a7178/bin-2019/ukojak/witness.graphml [2018-12-09 16:10:48,200 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:10:48,201 INFO L168 Benchmark]: Toolchain (without parser) took 29532.50 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 759.2 MB). Free memory was 950.6 MB in the beginning and 1.6 GB in the end (delta: -667.0 MB). Peak memory consumption was 92.1 MB. Max. memory is 11.5 GB. [2018-12-09 16:10:48,202 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:10:48,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -145.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-09 16:10:48,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:10:48,202 INFO L168 Benchmark]: Boogie Preprocessor took 18.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:10:48,202 INFO L168 Benchmark]: RCFGBuilder took 408.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 11.5 GB. [2018-12-09 16:10:48,202 INFO L168 Benchmark]: CodeCheck took 28645.67 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 643.8 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -600.3 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. [2018-12-09 16:10:48,202 INFO L168 Benchmark]: Witness Printer took 90.79 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-12-09 16:10:48,203 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 72 locations, 1 error locations. UNSAFE Result, 28.4s OverallTime, 75 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1772110228 SDtfs, 1290449666 SDslu, 973560568 SDs, 0 SdLazy, -1304087346 SolverSat, -1482232048 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45753 GetRequests, 44969 SyntacticMatches, 282 SemanticMatches, 502 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120915 ImplicationChecksByTransitivity, 24.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 3859 NumberOfCodeBlocks, 3859 NumberOfCodeBlocksAsserted, 75 NumberOfCheckSat, 3709 ConstructedInterpolants, 0 QuantifiedInterpolants, 401031 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 74 InterpolantComputations, 61 PerfectInterpolantSequences, 1857/1953 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 - CounterExampleResult [Line: 830]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L43] int methAndRunningLastTime ; [L251] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L455] int pumpRunning = 0; [L456] int systemActive = 1; [L628] int waterLevel = 1; [L629] int methaneLevelCritical = 0; [L835] int cleanupTimeShifts = 4; [L909] int retValue_acc ; [L910] int tmp ; [L817] int retValue_acc ; [L820] retValue_acc = 1 [L821] return (retValue_acc); [L916] tmp = valid_product() [L918] COND TRUE \read(tmp) [L48] methAndRunningLastTime = 0 [L724] int splverifierCounter ; [L725] int tmp ; [L726] int tmp___0 ; [L727] int tmp___1 ; [L728] int tmp___2 ; [L731] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L733] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L735] COND TRUE splverifierCounter < 4 [L741] tmp = __VERIFIER_nondet_int() [L743] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L745] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L646] COND TRUE waterLevel < 2 [L647] waterLevel = waterLevel + 1 [L745] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L751] tmp___0 = __VERIFIER_nondet_int() [L753] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L761] tmp___2 = __VERIFIER_nondet_int() [L763] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L776] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L462] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L469] COND TRUE \read(systemActive) [L491] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L494] COND TRUE ! pumpRunning [L606] int retValue_acc ; [L607] int tmp ; [L608] int tmp___0 ; [L708] int retValue_acc ; [L711] COND FALSE !(waterLevel < 2) [L715] retValue_acc = 0 [L716] return (retValue_acc); [L612] tmp = isHighWaterSensorDry() [L614] COND FALSE !(\read(tmp)) [L617] tmp___0 = 1 [L619] retValue_acc = tmp___0 [L620] return (retValue_acc); [L496] tmp = isHighWaterLevel() [L498] COND TRUE \read(tmp) [L525] int tmp ; [L550] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L554] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L667] int retValue_acc ; [L670] retValue_acc = methaneLevelCritical [L671] return (retValue_acc); [L554] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L554] retValue_acc = isMethaneLevelCritical() [L556] return (retValue_acc); [L529] tmp = isMethaneAlarm() [L531] COND FALSE !(\read(tmp)) [L519] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L53] int tmp ; [L54] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L58] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L667] int retValue_acc ; [L670] retValue_acc = methaneLevelCritical [L671] return (retValue_acc); [L58] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L58] tmp = isMethaneLevelCritical() [L60] COND FALSE !(\read(tmp)) [L76] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L776] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L733] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L735] COND TRUE splverifierCounter < 4 [L741] tmp = __VERIFIER_nondet_int() [L743] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L751] tmp___0 = __VERIFIER_nondet_int() [L753] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L755] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L658] COND FALSE !(\read(methaneLevelCritical)) [L661] methaneLevelCritical = 1 [L755] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L761] tmp___2 = __VERIFIER_nondet_int() [L763] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L776] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L462] COND TRUE \read(pumpRunning) [L634] COND TRUE waterLevel > 0 [L635] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L469] COND TRUE \read(systemActive) [L491] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L494] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L509] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L53] int tmp ; [L54] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L58] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L667] int retValue_acc ; [L670] retValue_acc = methaneLevelCritical [L671] return (retValue_acc); [L58] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L58] tmp = isMethaneLevelCritical() [L60] COND TRUE \read(tmp) [L561] int retValue_acc ; [L564] retValue_acc = pumpRunning [L565] return (retValue_acc); [L62] tmp___0 = isPumpRunning() [L64] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L65] COND FALSE !(\read(methAndRunningLastTime)) [L70] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L776] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L733] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L735] COND TRUE splverifierCounter < 4 [L741] tmp = __VERIFIER_nondet_int() [L743] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L751] tmp___0 = __VERIFIER_nondet_int() [L753] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L761] tmp___2 = __VERIFIER_nondet_int() [L763] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L776] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L462] COND TRUE \read(pumpRunning) [L634] COND TRUE waterLevel > 0 [L635] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L469] COND TRUE \read(systemActive) [L491] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L494] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L509] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L53] int tmp ; [L54] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L58] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L667] int retValue_acc ; [L670] retValue_acc = methaneLevelCritical [L671] return (retValue_acc); [L58] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L58] tmp = isMethaneLevelCritical() [L60] COND TRUE \read(tmp) [L561] int retValue_acc ; [L564] retValue_acc = pumpRunning [L565] return (retValue_acc); [L62] tmp___0 = isPumpRunning() [L64] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L65] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L830] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] * 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -145.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 408.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 11.5 GB. * CodeCheck took 28645.67 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 643.8 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -600.3 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. * Witness Printer took 90.79 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...