./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f4323022-0130-4ef0-aa54-74360348d0ae/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f4323022-0130-4ef0-aa54-74360348d0ae/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f4323022-0130-4ef0-aa54-74360348d0ae/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f4323022-0130-4ef0-aa54-74360348d0ae/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f4323022-0130-4ef0-aa54-74360348d0ae/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f4323022-0130-4ef0-aa54-74360348d0ae/bin/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 920725b4778fe7902e2cc2a93ab39c30358d9d16 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 05:10:55,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 05:10:55,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 05:10:55,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 05:10:55,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 05:10:55,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 05:10:55,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 05:10:55,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 05:10:55,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 05:10:55,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 05:10:55,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 05:10:55,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 05:10:55,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 05:10:55,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 05:10:55,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 05:10:55,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 05:10:55,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 05:10:55,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 05:10:55,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 05:10:55,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 05:10:56,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 05:10:56,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 05:10:56,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 05:10:56,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 05:10:56,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 05:10:56,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 05:10:56,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 05:10:56,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 05:10:56,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 05:10:56,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 05:10:56,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 05:10:56,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 05:10:56,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 05:10:56,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 05:10:56,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 05:10:56,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 05:10:56,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 05:10:56,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 05:10:56,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 05:10:56,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 05:10:56,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 05:10:56,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f4323022-0130-4ef0-aa54-74360348d0ae/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 05:10:56,023 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 05:10:56,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 05:10:56,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 05:10:56,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 05:10:56,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 05:10:56,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 05:10:56,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 05:10:56,025 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 05:10:56,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 05:10:56,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 05:10:56,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 05:10:56,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 05:10:56,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 05:10:56,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 05:10:56,026 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 05:10:56,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 05:10:56,027 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 05:10:56,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 05:10:56,027 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 05:10:56,027 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 05:10:56,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 05:10:56,028 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 05:10:56,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 05:10:56,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 05:10:56,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 05:10:56,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 05:10:56,029 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 05:10:56,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 05:10:56,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 05:10:56,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f4323022-0130-4ef0-aa54-74360348d0ae/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(__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 -> 920725b4778fe7902e2cc2a93ab39c30358d9d16 [2019-12-01 05:10:56,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 05:10:56,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 05:10:56,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 05:10:56,152 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 05:10:56,152 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 05:10:56,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f4323022-0130-4ef0-aa54-74360348d0ae/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-12-01 05:10:56,201 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f4323022-0130-4ef0-aa54-74360348d0ae/bin/ukojak/data/013bc6a57/a260d9af41234ba9a20606593e04e0de/FLAGdaf97a6ee [2019-12-01 05:10:56,556 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 05:10:56,556 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f4323022-0130-4ef0-aa54-74360348d0ae/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-12-01 05:10:56,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f4323022-0130-4ef0-aa54-74360348d0ae/bin/ukojak/data/013bc6a57/a260d9af41234ba9a20606593e04e0de/FLAGdaf97a6ee [2019-12-01 05:10:56,574 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f4323022-0130-4ef0-aa54-74360348d0ae/bin/ukojak/data/013bc6a57/a260d9af41234ba9a20606593e04e0de [2019-12-01 05:10:56,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 05:10:56,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 05:10:56,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 05:10:56,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 05:10:56,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 05:10:56,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:10:56" (1/1) ... [2019-12-01 05:10:56,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:56, skipping insertion in model container [2019-12-01 05:10:56,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:10:56" (1/1) ... [2019-12-01 05:10:56,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 05:10:56,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 05:10:56,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 05:10:56,830 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 05:10:56,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 05:10:56,895 INFO L208 MainTranslator]: Completed translation [2019-12-01 05:10:56,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:56 WrapperNode [2019-12-01 05:10:56,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 05:10:56,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 05:10:56,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 05:10:56,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 05:10:56,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:56" (1/1) ... [2019-12-01 05:10:56,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:56" (1/1) ... [2019-12-01 05:10:56,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 05:10:56,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 05:10:56,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 05:10:56,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 05:10:56,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:56" (1/1) ... [2019-12-01 05:10:56,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:56" (1/1) ... [2019-12-01 05:10:56,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:56" (1/1) ... [2019-12-01 05:10:56,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:56" (1/1) ... [2019-12-01 05:10:56,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:56" (1/1) ... [2019-12-01 05:10:56,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:56" (1/1) ... [2019-12-01 05:10:56,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:56" (1/1) ... [2019-12-01 05:10:56,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 05:10:56,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 05:10:56,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 05:10:56,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 05:10:56,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f4323022-0130-4ef0-aa54-74360348d0ae/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 [2019-12-01 05:10:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 05:10:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 05:10:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 05:10:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 05:10:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 05:10:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 05:10:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 05:10:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 05:10:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 05:10:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 05:10:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 05:10:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 05:10:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 05:10:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 05:10:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 05:10:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 05:10:57,531 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 05:10:57,532 INFO L287 CfgBuilder]: Removed 34 assume(true) statements. [2019-12-01 05:10:57,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:10:57 BoogieIcfgContainer [2019-12-01 05:10:57,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 05:10:57,533 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 05:10:57,533 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 05:10:57,540 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 05:10:57,540 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:10:57" (1/1) ... [2019-12-01 05:10:57,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 05:10:57,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:10:57,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2019-12-01 05:10:57,573 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2019-12-01 05:10:57,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 05:10:57,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:10:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:10:57,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:10:57,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:10:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2019-12-01 05:10:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2019-12-01 05:10:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 05:10:57,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:10:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:10:57,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:10:57,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:10:57,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-12-01 05:10:57,802 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-12-01 05:10:57,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 05:10:57,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:10:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:10:57,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:10:57,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:10:57,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2019-12-01 05:10:57,937 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2019-12-01 05:10:57,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 05:10:57,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:10:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:10:57,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:10:58,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:10:58,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2019-12-01 05:10:58,158 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2019-12-01 05:10:58,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 05:10:58,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:10:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:10:58,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:10:58,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:10:58,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 68 states and 101 transitions. [2019-12-01 05:10:58,196 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2019-12-01 05:10:58,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 05:10:58,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:10:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:10:58,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:10:58,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:10:58,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2019-12-01 05:10:58,232 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2019-12-01 05:10:58,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 05:10:58,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:10:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:10:58,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:10:58,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:10:58,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2019-12-01 05:10:58,277 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2019-12-01 05:10:58,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 05:10:58,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:10:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:10:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:10:58,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:10:58,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 71 states and 104 transitions. [2019-12-01 05:10:58,313 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2019-12-01 05:10:58,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 05:10:58,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:10:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:10:58,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:10:58,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:10:58,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 86 states and 135 transitions. [2019-12-01 05:10:58,761 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2019-12-01 05:10:58,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 05:10:58,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:10:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:10:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:10:58,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:10:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 136 transitions. [2019-12-01 05:10:58,802 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 136 transitions. [2019-12-01 05:10:58,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 05:10:58,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:10:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:10:58,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:10:59,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:10:59,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 92 states and 143 transitions. [2019-12-01 05:10:59,055 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 143 transitions. [2019-12-01 05:10:59,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 05:10:59,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:10:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:10:59,099 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 05:10:59,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:10:59,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 98 states and 155 transitions. [2019-12-01 05:10:59,262 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 155 transitions. [2019-12-01 05:10:59,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 05:10:59,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:10:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:10:59,282 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 05:10:59,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:10:59,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 96 states and 151 transitions. [2019-12-01 05:10:59,296 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 151 transitions. [2019-12-01 05:10:59,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 05:10:59,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:10:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:10:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 05:11:00,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:00,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 103 states and 170 transitions. [2019-12-01 05:11:00,243 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 170 transitions. [2019-12-01 05:11:00,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 05:11:00,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 05:11:00,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:00,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 105 states and 174 transitions. [2019-12-01 05:11:00,429 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2019-12-01 05:11:00,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 05:11:00,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:00,448 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 05:11:00,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:00,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 114 states and 192 transitions. [2019-12-01 05:11:00,666 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 192 transitions. [2019-12-01 05:11:00,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 05:11:00,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:00,746 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 05:11:01,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 131 states and 242 transitions. [2019-12-01 05:11:01,820 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 242 transitions. [2019-12-01 05:11:01,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 05:11:01,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:01,842 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 05:11:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:01,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 132 states and 243 transitions. [2019-12-01 05:11:01,855 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 243 transitions. [2019-12-01 05:11:01,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 05:11:01,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:01,873 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 05:11:01,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:01,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 133 states and 244 transitions. [2019-12-01 05:11:01,893 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 244 transitions. [2019-12-01 05:11:01,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 05:11:01,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:01,919 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 05:11:02,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:02,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 142 states and 270 transitions. [2019-12-01 05:11:02,907 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 270 transitions. [2019-12-01 05:11:02,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 05:11:02,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:02,934 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 05:11:02,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 143 states and 271 transitions. [2019-12-01 05:11:02,948 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 271 transitions. [2019-12-01 05:11:02,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 05:11:02,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:02,971 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 05:11:02,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:02,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 144 states and 272 transitions. [2019-12-01 05:11:02,987 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 272 transitions. [2019-12-01 05:11:02,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 05:11:02,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:03,003 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 05:11:03,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:03,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 148 states and 279 transitions. [2019-12-01 05:11:03,212 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2019-12-01 05:11:03,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 05:11:03,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:03,341 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 05:11:04,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:04,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 152 states and 287 transitions. [2019-12-01 05:11:04,364 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 287 transitions. [2019-12-01 05:11:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 05:11:04,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:04,380 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 05:11:04,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:04,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 150 states and 283 transitions. [2019-12-01 05:11:04,403 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 283 transitions. [2019-12-01 05:11:04,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 05:11:04,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:04,423 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 05:11:04,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:04,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 141 states and 260 transitions. [2019-12-01 05:11:04,625 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 260 transitions. [2019-12-01 05:11:04,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 05:11:04,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:04,644 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 05:11:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:05,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 147 states and 273 transitions. [2019-12-01 05:11:05,246 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 273 transitions. [2019-12-01 05:11:05,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 05:11:05,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:05,269 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 05:11:05,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:05,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 147 states and 272 transitions. [2019-12-01 05:11:05,296 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 272 transitions. [2019-12-01 05:11:05,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 05:11:05,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:05,319 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 05:11:05,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:05,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 149 states and 275 transitions. [2019-12-01 05:11:05,337 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 275 transitions. [2019-12-01 05:11:05,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 05:11:05,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:05,456 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 05:11:05,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:05,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 151 states and 276 transitions. [2019-12-01 05:11:05,752 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 276 transitions. [2019-12-01 05:11:05,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 05:11:05,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:05,769 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 05:11:05,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:05,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 152 states and 277 transitions. [2019-12-01 05:11:05,790 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 277 transitions. [2019-12-01 05:11:05,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 05:11:05,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 05:11:05,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:05,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 148 states and 267 transitions. [2019-12-01 05:11:05,828 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 267 transitions. [2019-12-01 05:11:05,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 05:11:05,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 05:11:05,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:05,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 141 states and 254 transitions. [2019-12-01 05:11:05,861 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 254 transitions. [2019-12-01 05:11:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-01 05:11:05,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:05,880 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 05:11:07,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:07,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 152 states and 275 transitions. [2019-12-01 05:11:07,181 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 275 transitions. [2019-12-01 05:11:07,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 05:11:07,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:11:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:11:07,206 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-12-01 05:11:07,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:11:07,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 76 states and 107 transitions. [2019-12-01 05:11:07,646 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-12-01 05:11:07,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 05:11:07,646 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2019-12-01 05:11:07,653 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 05:11:07,885 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 05:11:07,888 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 05:11:07,891 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-12-01 05:11:07,891 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 05:11:07,892 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 05:11:07,892 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2019-12-01 05:11:07,892 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 05:11:07,892 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 05:11:07,892 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 05:11:07,892 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 05:11:07,893 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 05:11:07,893 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 05:11:07,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:11:07 ImpRootNode [2019-12-01 05:11:07,893 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 05:11:07,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 05:11:07,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 05:11:07,894 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 05:11:07,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:10:57" (3/4) ... [2019-12-01 05:11:07,896 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 05:11:07,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-01 05:11:07,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 05:11:07,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 05:11:07,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 05:11:07,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-12-01 05:11:07,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 05:11:07,905 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-12-01 05:11:07,905 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-12-01 05:11:07,906 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 05:11:07,906 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 05:11:07,906 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 05:11:07,907 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 05:11:07,907 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 05:11:07,925 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-12-01 05:11:07,925 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) [2019-12-01 05:11:07,926 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == \old(pumpRunning)) || 0 == tmp) || tmp == methaneLevelCritical) || !(pumpRunning == 0) [2019-12-01 05:11:07,950 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f4323022-0130-4ef0-aa54-74360348d0ae/bin/ukojak/witness.graphml [2019-12-01 05:11:07,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 05:11:07,952 INFO L168 Benchmark]: Toolchain (without parser) took 11374.79 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.4 MB). Free memory was 949.9 MB in the beginning and 1.3 GB in the end (delta: -322.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 05:11:07,952 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 05:11:07,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -132.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-01 05:11:07,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.17 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. [2019-12-01 05:11:07,952 INFO L168 Benchmark]: Boogie Preprocessor took 21.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 05:11:07,953 INFO L168 Benchmark]: RCFGBuilder took 578.86 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: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. [2019-12-01 05:11:07,953 INFO L168 Benchmark]: CodeCheck took 10360.44 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 210.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -270.5 MB). Peak memory consumption was 367.5 MB. Max. memory is 11.5 GB. [2019-12-01 05:11:07,953 INFO L168 Benchmark]: Witness Printer took 56.75 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-12-01 05:11:07,954 INFO L335 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, 46 locations, 1 error locations. Result: SAFE, OverallTime: 10.0s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 642863152 SDtfs, 1893572562 SDslu, -91161900 SDs, 0 SdLazy, -47329502 SolverSat, 2124181856 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15377 GetRequests, 15002 SyntacticMatches, 141 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22254 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1554 NumberOfCodeBlocks, 1554 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1519 ConstructedInterpolants, 0 QuantifiedInterpolants, 156579 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 24 PerfectInterpolantSequences, 683/754 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: 206]: 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: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((!(pumpRunning == \old(pumpRunning)) || 0 == tmp) || tmp == methaneLevelCritical) || !(pumpRunning == 0) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -132.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.17 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 21.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 578.86 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: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. * CodeCheck took 10360.44 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 210.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -270.5 MB). Peak memory consumption was 367.5 MB. Max. memory is 11.5 GB. * Witness Printer took 56.75 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...