./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b90fa8fc-28f3-4010-a443-a0c300416530/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b90fa8fc-28f3-4010-a443-a0c300416530/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b90fa8fc-28f3-4010-a443-a0c300416530/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b90fa8fc-28f3-4010-a443-a0c300416530/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b90fa8fc-28f3-4010-a443-a0c300416530/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b90fa8fc-28f3-4010-a443-a0c300416530/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 656a2bbc2fdeac83f3dcc893b23dff27702d34ec ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:36:06,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:36:06,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:36:06,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:36:06,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:36:06,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:36:06,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:36:06,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:36:06,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:36:06,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:36:06,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:36:06,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:36:06,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:36:06,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:36:06,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:36:06,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:36:06,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:36:06,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:36:06,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:36:06,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:36:06,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:36:06,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:36:06,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:36:06,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:36:06,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:36:06,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:36:06,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:36:06,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:36:06,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:36:06,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:36:06,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:36:06,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:36:06,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:36:06,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:36:06,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:36:06,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:36:06,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:36:06,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:36:06,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:36:06,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:36:06,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:36:06,837 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b90fa8fc-28f3-4010-a443-a0c300416530/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:36:06,881 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:36:06,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:36:06,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:36:06,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:36:06,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:36:06,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:36:06,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:36:06,884 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:36:06,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:36:06,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:36:06,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:36:06,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:36:06,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:36:06,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:36:06,886 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:36:06,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:36:06,886 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:36:06,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:36:06,887 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:36:06,887 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:36:06,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:36:06,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:36:06,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:36:06,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:36:06,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:36:06,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:36:06,889 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:36:06,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:36:06,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:36:06,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b90fa8fc-28f3-4010-a443-a0c300416530/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b90fa8fc-28f3-4010-a443-a0c300416530/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 656a2bbc2fdeac83f3dcc893b23dff27702d34ec [2020-11-28 04:36:07,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:36:07,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:36:07,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:36:07,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:36:07,226 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:36:07,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b90fa8fc-28f3-4010-a443-a0c300416530/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-11-28 04:36:07,313 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b90fa8fc-28f3-4010-a443-a0c300416530/bin/ukojak/data/59de5c7e9/5f2e1cee84b342e1a37ce554d1dc3192/FLAG311807372 [2020-11-28 04:36:07,937 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:36:07,937 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b90fa8fc-28f3-4010-a443-a0c300416530/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-11-28 04:36:07,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b90fa8fc-28f3-4010-a443-a0c300416530/bin/ukojak/data/59de5c7e9/5f2e1cee84b342e1a37ce554d1dc3192/FLAG311807372 [2020-11-28 04:36:08,230 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b90fa8fc-28f3-4010-a443-a0c300416530/bin/ukojak/data/59de5c7e9/5f2e1cee84b342e1a37ce554d1dc3192 [2020-11-28 04:36:08,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:36:08,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:36:08,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:36:08,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:36:08,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:36:08,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:36:08" (1/1) ... [2020-11-28 04:36:08,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39a7c8ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:08, skipping insertion in model container [2020-11-28 04:36:08,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:36:08" (1/1) ... [2020-11-28 04:36:08,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:36:08,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:36:08,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:36:08,665 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:36:08,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:36:08,773 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:36:08,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:08 WrapperNode [2020-11-28 04:36:08,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:36:08,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:36:08,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:36:08,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:36:08,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:08" (1/1) ... [2020-11-28 04:36:08,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:08" (1/1) ... [2020-11-28 04:36:08,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:36:08,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:36:08,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:36:08,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:36:08,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:08" (1/1) ... [2020-11-28 04:36:08,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:08" (1/1) ... [2020-11-28 04:36:08,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:08" (1/1) ... [2020-11-28 04:36:08,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:08" (1/1) ... [2020-11-28 04:36:08,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:08" (1/1) ... [2020-11-28 04:36:08,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:08" (1/1) ... [2020-11-28 04:36:08,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:08" (1/1) ... [2020-11-28 04:36:08,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:36:08,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:36:08,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:36:08,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:36:08,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b90fa8fc-28f3-4010-a443-a0c300416530/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:36:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:36:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:36:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:36:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:36:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:36:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:36:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:36:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:36:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:36:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:36:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:36:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:36:10,621 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:36:10,621 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-28 04:36:10,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:10 BoogieIcfgContainer [2020-11-28 04:36:10,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:36:10,625 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:36:10,625 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:36:10,636 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:36:10,636 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:10" (1/1) ... [2020-11-28 04:36:10,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:36:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:10,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2020-11-28 04:36:10,683 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2020-11-28 04:36:10,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:36:10,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:11,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:11,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:11,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2020-11-28 04:36:11,036 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2020-11-28 04:36:11,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:36:11,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:11,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:11,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:11,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2020-11-28 04:36:11,157 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-11-28 04:36:11,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:36:11,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:11,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:11,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:11,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 67 states and 96 transitions. [2020-11-28 04:36:11,450 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2020-11-28 04:36:11,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:36:11,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:11,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:12,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:12,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 83 states and 129 transitions. [2020-11-28 04:36:12,037 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2020-11-28 04:36:12,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:36:12,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:12,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:12,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:12,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2020-11-28 04:36:12,087 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2020-11-28 04:36:12,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:36:12,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:12,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:12,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:12,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 85 states and 131 transitions. [2020-11-28 04:36:12,184 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 131 transitions. [2020-11-28 04:36:12,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:36:12,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:12,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:12,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:12,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 96 states and 155 transitions. [2020-11-28 04:36:12,858 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 155 transitions. [2020-11-28 04:36:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:36:12,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:12,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:12,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 97 states and 156 transitions. [2020-11-28 04:36:12,928 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 156 transitions. [2020-11-28 04:36:12,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:36:12,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:13,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:13,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 98 states and 157 transitions. [2020-11-28 04:36:13,002 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2020-11-28 04:36:13,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:36:13,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:13,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:13,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 103 states and 170 transitions. [2020-11-28 04:36:13,191 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 170 transitions. [2020-11-28 04:36:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:36:13,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:13,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:13,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 104 states and 171 transitions. [2020-11-28 04:36:13,258 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2020-11-28 04:36:13,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:36:13,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:13,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:13,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:13,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 107 states and 179 transitions. [2020-11-28 04:36:13,543 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 179 transitions. [2020-11-28 04:36:13,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:36:13,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:13,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:13,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:13,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 108 states and 180 transitions. [2020-11-28 04:36:13,603 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 180 transitions. [2020-11-28 04:36:13,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:36:13,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:13,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:13,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 109 states and 181 transitions. [2020-11-28 04:36:13,649 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 181 transitions. [2020-11-28 04:36:13,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:36:13,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:13,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:14,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:14,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2020-11-28 04:36:14,773 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2020-11-28 04:36:14,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:36:14,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:14,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:14,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 127 states and 217 transitions. [2020-11-28 04:36:14,888 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 217 transitions. [2020-11-28 04:36:14,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:36:14,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:14,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:14,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:14,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 128 states and 218 transitions. [2020-11-28 04:36:14,977 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 218 transitions. [2020-11-28 04:36:14,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:36:14,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:15,058 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:36:15,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:15,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 137 states and 237 transitions. [2020-11-28 04:36:15,694 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 237 transitions. [2020-11-28 04:36:15,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:36:15,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:15,753 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:36:15,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:15,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 138 states and 238 transitions. [2020-11-28 04:36:15,788 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 238 transitions. [2020-11-28 04:36:15,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 04:36:15,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:15,829 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:36:15,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:15,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 139 states and 239 transitions. [2020-11-28 04:36:15,869 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 239 transitions. [2020-11-28 04:36:15,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:36:15,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:16,219 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:36:17,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:17,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 262 transitions. [2020-11-28 04:36:17,343 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 262 transitions. [2020-11-28 04:36:17,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:36:17,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:17,374 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:36:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 150 states and 271 transitions. [2020-11-28 04:36:17,624 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 271 transitions. [2020-11-28 04:36:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:36:17,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:17,655 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:36:17,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:17,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 151 states and 272 transitions. [2020-11-28 04:36:17,666 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 272 transitions. [2020-11-28 04:36:17,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:36:17,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:17,697 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:36:18,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:18,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 154 states and 279 transitions. [2020-11-28 04:36:18,233 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 279 transitions. [2020-11-28 04:36:18,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:36:18,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:18,266 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:36:18,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:18,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 161 states and 291 transitions. [2020-11-28 04:36:18,562 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 291 transitions. [2020-11-28 04:36:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:36:18,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:18,610 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:36:18,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 162 states and 291 transitions. [2020-11-28 04:36:18,624 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 291 transitions. [2020-11-28 04:36:18,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:36:18,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:18,658 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:36:18,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:18,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 169 states and 303 transitions. [2020-11-28 04:36:18,881 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 303 transitions. [2020-11-28 04:36:18,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:36:18,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:18,916 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:36:18,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:18,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 170 states and 306 transitions. [2020-11-28 04:36:18,926 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 306 transitions. [2020-11-28 04:36:18,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:36:18,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:18,962 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:36:18,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:18,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 171 states and 307 transitions. [2020-11-28 04:36:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 307 transitions. [2020-11-28 04:36:18,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:36:18,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:36:21,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:21,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 187 states and 352 transitions. [2020-11-28 04:36:21,513 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 352 transitions. [2020-11-28 04:36:21,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:36:21,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:21,588 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:36:21,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:21,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 188 states and 353 transitions. [2020-11-28 04:36:21,612 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 353 transitions. [2020-11-28 04:36:21,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:36:21,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:21,654 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:36:21,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:21,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 189 states and 356 transitions. [2020-11-28 04:36:21,978 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 356 transitions. [2020-11-28 04:36:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:36:21,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:22,018 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:36:22,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:22,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 190 states and 356 transitions. [2020-11-28 04:36:22,033 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 356 transitions. [2020-11-28 04:36:22,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:36:22,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:36:23,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:23,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 198 states and 383 transitions. [2020-11-28 04:36:23,715 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 383 transitions. [2020-11-28 04:36:23,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:36:23,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:23,762 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:36:25,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:25,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 208 states and 400 transitions. [2020-11-28 04:36:25,562 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 400 transitions. [2020-11-28 04:36:25,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:36:25,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:25,596 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:36:25,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:25,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 209 states and 401 transitions. [2020-11-28 04:36:25,622 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 401 transitions. [2020-11-28 04:36:25,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:36:25,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:25,649 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:36:27,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 217 states and 420 transitions. [2020-11-28 04:36:27,555 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 420 transitions. [2020-11-28 04:36:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:36:27,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:36:28,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:28,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 219 states and 427 transitions. [2020-11-28 04:36:28,106 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 427 transitions. [2020-11-28 04:36:28,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:36:28,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:28,172 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:36:28,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:28,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 222 states and 431 transitions. [2020-11-28 04:36:28,200 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 431 transitions. [2020-11-28 04:36:28,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:36:28,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:36:28,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 223 states and 432 transitions. [2020-11-28 04:36:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 432 transitions. [2020-11-28 04:36:28,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:36:28,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:36:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:28,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 228 states and 432 transitions. [2020-11-28 04:36:28,911 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 432 transitions. [2020-11-28 04:36:28,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:36:28,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:28,942 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:36:29,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:29,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 233 states and 440 transitions. [2020-11-28 04:36:29,339 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 440 transitions. [2020-11-28 04:36:29,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:36:29,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:29,374 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:36:29,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:29,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 234 states and 441 transitions. [2020-11-28 04:36:29,469 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 441 transitions. [2020-11-28 04:36:29,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:36:29,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:29,512 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:36:29,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:29,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 235 states and 442 transitions. [2020-11-28 04:36:29,543 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 442 transitions. [2020-11-28 04:36:29,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:36:29,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:29,578 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:36:29,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:29,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 240 states and 451 transitions. [2020-11-28 04:36:29,788 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 451 transitions. [2020-11-28 04:36:29,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:36:29,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:29,826 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:36:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 241 states and 451 transitions. [2020-11-28 04:36:29,839 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 451 transitions. [2020-11-28 04:36:29,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:36:29,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:29,882 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:36:29,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:29,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 242 states and 452 transitions. [2020-11-28 04:36:29,917 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 452 transitions. [2020-11-28 04:36:29,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:36:29,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:29,948 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:36:30,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:30,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 243 states and 455 transitions. [2020-11-28 04:36:30,372 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 455 transitions. [2020-11-28 04:36:30,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:36:30,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:30,411 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:36:30,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:30,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 245 states and 460 transitions. [2020-11-28 04:36:30,451 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 460 transitions. [2020-11-28 04:36:30,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:36:30,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:36:30,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 246 states and 460 transitions. [2020-11-28 04:36:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 460 transitions. [2020-11-28 04:36:30,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:36:30,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:30,552 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:36:30,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:30,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 249 states and 464 transitions. [2020-11-28 04:36:30,786 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 464 transitions. [2020-11-28 04:36:30,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-28 04:36:30,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 04:36:30,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:30,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 252 states and 469 transitions. [2020-11-28 04:36:30,845 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 469 transitions. [2020-11-28 04:36:30,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:36:30,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:36:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:30,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 253 states and 470 transitions. [2020-11-28 04:36:30,901 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 470 transitions. [2020-11-28 04:36:30,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-28 04:36:30,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:30,935 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:36:30,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:30,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 254 states and 471 transitions. [2020-11-28 04:36:30,969 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 471 transitions. [2020-11-28 04:36:30,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-28 04:36:30,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:31,006 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 04:36:31,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:31,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 255 states and 472 transitions. [2020-11-28 04:36:31,030 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 472 transitions. [2020-11-28 04:36:31,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-28 04:36:31,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:31,067 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:36:31,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:31,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 257 states and 474 transitions. [2020-11-28 04:36:31,097 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 474 transitions. [2020-11-28 04:36:31,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-28 04:36:31,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:31,145 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:36:31,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:31,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 88 states and 120 transitions. [2020-11-28 04:36:31,160 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2020-11-28 04:36:31,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:36:31,161 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 58 iterations. [2020-11-28 04:36:31,170 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:36:31,585 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:36:31,592 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-28 04:36:31,594 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:31,594 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:31,594 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:31,594 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:31,594 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:31,595 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-28 04:36:31,596 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:31,596 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:31,596 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:31,596 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:31,596 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:31,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:36:31 ImpRootNode [2020-11-28 04:36:31,597 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:36:31,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:36:31,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:36:31,598 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:36:31,598 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:10" (3/4) ... [2020-11-28 04:36:31,602 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:36:31,607 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:36:31,607 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:36:31,607 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:36:31,607 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:36:31,607 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:36:31,607 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:36:31,608 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:36:31,615 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2020-11-28 04:36:31,616 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:36:31,616 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:36:31,617 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:36:31,617 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:36:31,618 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:36:31,618 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:36:31,643 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) [2020-11-28 04:36:31,644 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) [2020-11-28 04:36:31,690 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b90fa8fc-28f3-4010-a443-a0c300416530/bin/ukojak/witness.graphml [2020-11-28 04:36:31,691 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:36:31,692 INFO L168 Benchmark]: Toolchain (without parser) took 23457.61 ms. Allocated memory was 119.5 MB in the beginning and 400.6 MB in the end (delta: 281.0 MB). Free memory was 87.9 MB in the beginning and 162.8 MB in the end (delta: -75.0 MB). Peak memory consumption was 206.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:31,694 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 40.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:36:31,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.63 ms. Allocated memory is still 119.5 MB. Free memory was 87.9 MB in the beginning and 84.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:31,696 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.35 ms. Allocated memory is still 119.5 MB. Free memory was 84.6 MB in the beginning and 82.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:31,696 INFO L168 Benchmark]: Boogie Preprocessor took 62.06 ms. Allocated memory is still 119.5 MB. Free memory was 82.0 MB in the beginning and 80.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:31,696 INFO L168 Benchmark]: RCFGBuilder took 1695.65 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 80.1 MB in the beginning and 112.4 MB in the end (delta: -32.3 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:31,697 INFO L168 Benchmark]: CodeCheck took 20972.38 ms. Allocated memory was 144.7 MB in the beginning and 400.6 MB in the end (delta: 255.9 MB). Free memory was 112.4 MB in the beginning and 168.1 MB in the end (delta: -55.7 MB). Peak memory consumption was 199.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:31,698 INFO L168 Benchmark]: Witness Printer took 93.15 ms. Allocated memory is still 400.6 MB. Free memory was 168.1 MB in the beginning and 162.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:31,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.5s, OverallIterations: 58, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1160933296 SDtfs, 760713360 SDslu, 1737305124 SDs, 0 SdLazy, -2136290368 SolverSat, -1523079008 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 62.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26553 GetRequests, 26277 SyntacticMatches, 18 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29562 ImplicationChecksByTransitivity, 14.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2532 NumberOfCodeBlocks, 2532 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 2475 ConstructedInterpolants, 0 QuantifiedInterpolants, 222989 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 57 InterpolantComputations, 48 PerfectInterpolantSequences, 933/975 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 40.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 526.63 ms. Allocated memory is still 119.5 MB. Free memory was 87.9 MB in the beginning and 84.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.35 ms. Allocated memory is still 119.5 MB. Free memory was 84.6 MB in the beginning and 82.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.06 ms. Allocated memory is still 119.5 MB. Free memory was 82.0 MB in the beginning and 80.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1695.65 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 80.1 MB in the beginning and 112.4 MB in the end (delta: -32.3 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. * CodeCheck took 20972.38 ms. Allocated memory was 144.7 MB in the beginning and 400.6 MB in the end (delta: 255.9 MB). Free memory was 112.4 MB in the beginning and 168.1 MB in the end (delta: -55.7 MB). Peak memory consumption was 199.1 MB. Max. memory is 16.1 GB. * Witness Printer took 93.15 ms. Allocated memory is still 400.6 MB. Free memory was 168.1 MB in the beginning and 162.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...