./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.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_ca44d4fd-d738-484f-bb20-794f46001bd7/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ca44d4fd-d738-484f-bb20-794f46001bd7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ca44d4fd-d738-484f-bb20-794f46001bd7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ca44d4fd-d738-484f-bb20-794f46001bd7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ca44d4fd-d738-484f-bb20-794f46001bd7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ca44d4fd-d738-484f-bb20-794f46001bd7/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 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:07:12,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 18:07:12,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 18:07:12,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 18:07:12,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 18:07:12,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 18:07:12,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 18:07:12,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 18:07:12,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 18:07:12,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 18:07:12,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 18:07:12,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 18:07:12,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 18:07:12,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 18:07:12,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 18:07:12,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 18:07:12,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 18:07:12,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 18:07:12,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 18:07:12,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 18:07:12,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 18:07:12,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 18:07:12,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 18:07:12,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 18:07:12,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 18:07:12,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 18:07:12,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 18:07:12,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 18:07:12,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 18:07:12,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 18:07:12,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 18:07:12,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 18:07:12,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 18:07:12,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 18:07:12,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 18:07:12,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 18:07:12,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 18:07:12,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 18:07:12,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 18:07:12,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 18:07:12,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 18:07:12,622 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ca44d4fd-d738-484f-bb20-794f46001bd7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 18:07:12,631 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 18:07:12,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 18:07:12,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 18:07:12,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 18:07:12,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 18:07:12,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 18:07:12,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 18:07:12,633 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 18:07:12,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 18:07:12,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 18:07:12,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 18:07:12,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 18:07:12,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 18:07:12,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 18:07:12,633 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 18:07:12,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 18:07:12,633 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 18:07:12,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 18:07:12,634 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 18:07:12,634 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 18:07:12,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 18:07:12,634 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 18:07:12,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 18:07:12,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 18:07:12,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 18:07:12,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 18:07:12,635 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 18:07:12,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 18:07:12,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 18:07:12,635 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_ca44d4fd-d738-484f-bb20-794f46001bd7/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 -> 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 [2019-12-01 18:07:12,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 18:07:12,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 18:07:12,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 18:07:12,749 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 18:07:12,749 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 18:07:12,750 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ca44d4fd-d738-484f-bb20-794f46001bd7/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2019-12-01 18:07:12,797 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca44d4fd-d738-484f-bb20-794f46001bd7/bin/ukojak/data/658af9818/80e49f659eab41c5876fa85c70a84624/FLAG4b0b6138d [2019-12-01 18:07:13,236 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 18:07:13,237 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ca44d4fd-d738-484f-bb20-794f46001bd7/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2019-12-01 18:07:13,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca44d4fd-d738-484f-bb20-794f46001bd7/bin/ukojak/data/658af9818/80e49f659eab41c5876fa85c70a84624/FLAG4b0b6138d [2019-12-01 18:07:13,255 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ca44d4fd-d738-484f-bb20-794f46001bd7/bin/ukojak/data/658af9818/80e49f659eab41c5876fa85c70a84624 [2019-12-01 18:07:13,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 18:07:13,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 18:07:13,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 18:07:13,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 18:07:13,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 18:07:13,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:07:13" (1/1) ... [2019-12-01 18:07:13,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5552b935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:13, skipping insertion in model container [2019-12-01 18:07:13,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:07:13" (1/1) ... [2019-12-01 18:07:13,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 18:07:13,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 18:07:13,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 18:07:13,525 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 18:07:13,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 18:07:13,597 INFO L208 MainTranslator]: Completed translation [2019-12-01 18:07:13,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:13 WrapperNode [2019-12-01 18:07:13,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 18:07:13,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 18:07:13,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 18:07:13,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 18:07:13,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:13" (1/1) ... [2019-12-01 18:07:13,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:13" (1/1) ... [2019-12-01 18:07:13,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 18:07:13,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 18:07:13,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 18:07:13,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 18:07:13,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:13" (1/1) ... [2019-12-01 18:07:13,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:13" (1/1) ... [2019-12-01 18:07:13,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:13" (1/1) ... [2019-12-01 18:07:13,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:13" (1/1) ... [2019-12-01 18:07:13,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:13" (1/1) ... [2019-12-01 18:07:13,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:13" (1/1) ... [2019-12-01 18:07:13,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:13" (1/1) ... [2019-12-01 18:07:13,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 18:07:13,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 18:07:13,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 18:07:13,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 18:07:13,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca44d4fd-d738-484f-bb20-794f46001bd7/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 18:07:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 18:07:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 18:07:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 18:07:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 18:07:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 18:07:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 18:07:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 18:07:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 18:07:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 18:07:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 18:07:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 18:07:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-12-01 18:07:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-12-01 18:07:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-12-01 18:07:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-12-01 18:07:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-12-01 18:07:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-12-01 18:07:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 18:07:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 18:07:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 18:07:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 18:07:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 18:07:14,199 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 18:07:14,200 INFO L287 CfgBuilder]: Removed 38 assume(true) statements. [2019-12-01 18:07:14,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:07:14 BoogieIcfgContainer [2019-12-01 18:07:14,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 18:07:14,201 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 18:07:14,201 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 18:07:14,208 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 18:07:14,208 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:07:14" (1/1) ... [2019-12-01 18:07:14,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 18:07:14,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:14,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2019-12-01 18:07:14,241 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2019-12-01 18:07:14,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 18:07:14,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:14,393 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 18:07:14,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:14,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2019-12-01 18:07:14,403 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2019-12-01 18:07:14,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 18:07:14,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:14,465 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 18:07:14,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:14,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2019-12-01 18:07:14,481 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2019-12-01 18:07:14,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 18:07:14,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:14,532 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 18:07:14,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:14,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2019-12-01 18:07:14,556 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2019-12-01 18:07:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 18:07:14,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:14,605 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 18:07:14,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:14,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 116 transitions. [2019-12-01 18:07:14,683 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2019-12-01 18:07:14,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 18:07:14,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:14,715 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 18:07:14,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:14,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2019-12-01 18:07:14,723 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2019-12-01 18:07:14,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 18:07:14,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:14,749 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 18:07:14,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:14,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2019-12-01 18:07:14,756 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2019-12-01 18:07:14,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 18:07:14,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:14,821 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 18:07:15,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:15,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 101 states and 155 transitions. [2019-12-01 18:07:15,123 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2019-12-01 18:07:15,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 18:07:15,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:15,161 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 18:07:15,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:15,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 102 states and 156 transitions. [2019-12-01 18:07:15,172 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2019-12-01 18:07:15,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 18:07:15,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:15,221 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 18:07:15,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:15,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 122 states and 200 transitions. [2019-12-01 18:07:15,846 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 200 transitions. [2019-12-01 18:07:15,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 18:07:15,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:15,887 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 18:07:15,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:15,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 125 states and 207 transitions. [2019-12-01 18:07:15,996 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 207 transitions. [2019-12-01 18:07:15,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-01 18:07:15,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:16,022 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 18:07:16,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 128 states and 214 transitions. [2019-12-01 18:07:16,127 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 214 transitions. [2019-12-01 18:07:16,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 18:07:16,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:16,146 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 18:07:16,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:16,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 224 transitions. [2019-12-01 18:07:16,172 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2019-12-01 18:07:16,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 18:07:16,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:16,191 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 18:07:16,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 138 states and 235 transitions. [2019-12-01 18:07:16,213 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 235 transitions. [2019-12-01 18:07:16,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 18:07:16,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:16,260 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 18:07:16,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:16,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 147 states and 254 transitions. [2019-12-01 18:07:16,701 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 254 transitions. [2019-12-01 18:07:16,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 18:07:16,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:16,721 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 18:07:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:16,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 148 states and 255 transitions. [2019-12-01 18:07:16,732 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 255 transitions. [2019-12-01 18:07:16,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 18:07:16,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:16,747 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 18:07:16,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 149 states and 256 transitions. [2019-12-01 18:07:16,758 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 256 transitions. [2019-12-01 18:07:16,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 18:07:16,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:16,779 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 18:07:17,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 154 states and 266 transitions. [2019-12-01 18:07:17,069 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 266 transitions. [2019-12-01 18:07:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 18:07:17,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 18:07:17,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:17,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 158 states and 277 transitions. [2019-12-01 18:07:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 277 transitions. [2019-12-01 18:07:17,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 18:07:17,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:17,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 18:07:17,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:17,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 162 states and 286 transitions. [2019-12-01 18:07:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 286 transitions. [2019-12-01 18:07:17,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 18:07:17,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:17,207 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 18:07:17,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 172 states and 315 transitions. [2019-12-01 18:07:17,790 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 315 transitions. [2019-12-01 18:07:17,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 18:07:17,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:17,812 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 18:07:17,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:17,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 170 states and 311 transitions. [2019-12-01 18:07:17,831 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 311 transitions. [2019-12-01 18:07:17,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 18:07:17,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:18,038 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 18:07:18,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:18,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 173 states and 319 transitions. [2019-12-01 18:07:18,593 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 319 transitions. [2019-12-01 18:07:18,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 18:07:18,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:18,621 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 18:07:19,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:19,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 179 states and 332 transitions. [2019-12-01 18:07:19,156 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 332 transitions. [2019-12-01 18:07:19,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 18:07:19,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:19,172 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 18:07:19,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 180 states and 334 transitions. [2019-12-01 18:07:19,198 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 334 transitions. [2019-12-01 18:07:19,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 18:07:19,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:19,222 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 18:07:19,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:19,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 188 states and 346 transitions. [2019-12-01 18:07:19,381 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 346 transitions. [2019-12-01 18:07:19,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 18:07:19,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:19,397 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 18:07:19,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 190 states and 347 transitions. [2019-12-01 18:07:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 347 transitions. [2019-12-01 18:07:19,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 18:07:19,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:19,571 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 18:07:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:19,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 191 states and 349 transitions. [2019-12-01 18:07:19,593 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 349 transitions. [2019-12-01 18:07:19,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 18:07:19,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:19,610 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 18:07:19,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:19,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 192 states and 350 transitions. [2019-12-01 18:07:19,620 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 350 transitions. [2019-12-01 18:07:19,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 18:07:19,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 18:07:20,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:20,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 203 states and 373 transitions. [2019-12-01 18:07:20,253 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 373 transitions. [2019-12-01 18:07:20,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 18:07:20,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:20,270 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 18:07:20,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:20,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 205 states and 374 transitions. [2019-12-01 18:07:20,429 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 374 transitions. [2019-12-01 18:07:20,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 18:07:20,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 18:07:20,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:20,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 212 states and 402 transitions. [2019-12-01 18:07:20,677 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 402 transitions. [2019-12-01 18:07:20,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 18:07:20,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:20,693 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 18:07:20,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 214 states and 404 transitions. [2019-12-01 18:07:20,892 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 404 transitions. [2019-12-01 18:07:20,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 18:07:20,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 18:07:23,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:23,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 224 states and 434 transitions. [2019-12-01 18:07:23,001 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 434 transitions. [2019-12-01 18:07:23,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 18:07:23,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:23,107 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 18:07:25,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:25,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 234 states and 466 transitions. [2019-12-01 18:07:25,071 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 466 transitions. [2019-12-01 18:07:25,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 18:07:25,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:25,097 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 18:07:25,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:25,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 235 states and 467 transitions. [2019-12-01 18:07:25,112 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 467 transitions. [2019-12-01 18:07:25,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 18:07:25,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 18:07:25,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:25,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 243 states and 484 transitions. [2019-12-01 18:07:25,768 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 484 transitions. [2019-12-01 18:07:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 18:07:25,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:25,787 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 18:07:25,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:25,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 244 states and 485 transitions. [2019-12-01 18:07:25,799 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 485 transitions. [2019-12-01 18:07:25,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 18:07:25,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:25,815 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 18:07:25,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:25,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 247 states and 490 transitions. [2019-12-01 18:07:25,828 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 490 transitions. [2019-12-01 18:07:25,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 18:07:25,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:25,846 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 18:07:26,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:26,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 249 states and 491 transitions. [2019-12-01 18:07:26,044 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 491 transitions. [2019-12-01 18:07:26,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 18:07:26,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:26,060 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 18:07:28,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:28,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 268 states and 527 transitions. [2019-12-01 18:07:28,151 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 527 transitions. [2019-12-01 18:07:28,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 18:07:28,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:28,168 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 18:07:28,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:28,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 269 states and 528 transitions. [2019-12-01 18:07:28,181 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 528 transitions. [2019-12-01 18:07:28,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 18:07:28,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 18:07:28,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:28,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 273 states and 536 transitions. [2019-12-01 18:07:28,765 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 536 transitions. [2019-12-01 18:07:28,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 18:07:28,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:28,783 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 18:07:29,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:29,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 281 states and 573 transitions. [2019-12-01 18:07:29,994 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 573 transitions. [2019-12-01 18:07:29,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 18:07:29,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:30,021 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 18:07:30,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:30,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 282 states and 574 transitions. [2019-12-01 18:07:30,038 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 574 transitions. [2019-12-01 18:07:30,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 18:07:30,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 18:07:30,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:30,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 284 states and 582 transitions. [2019-12-01 18:07:30,353 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 582 transitions. [2019-12-01 18:07:30,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 18:07:30,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 18:07:30,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:30,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 287 states and 587 transitions. [2019-12-01 18:07:30,392 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 587 transitions. [2019-12-01 18:07:30,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 18:07:30,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 18:07:31,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:31,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 291 states and 606 transitions. [2019-12-01 18:07:31,106 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 606 transitions. [2019-12-01 18:07:31,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 18:07:31,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:31,127 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 18:07:32,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:32,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 295 states and 615 transitions. [2019-12-01 18:07:32,127 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 615 transitions. [2019-12-01 18:07:32,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 18:07:32,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:32,170 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 18:07:32,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:32,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 297 states and 627 transitions. [2019-12-01 18:07:32,360 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 627 transitions. [2019-12-01 18:07:32,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 18:07:32,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:32,377 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 18:07:32,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:32,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 301 states and 646 transitions. [2019-12-01 18:07:32,974 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 646 transitions. [2019-12-01 18:07:32,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 18:07:32,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 18:07:34,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:34,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 309 states and 680 transitions. [2019-12-01 18:07:34,821 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 680 transitions. [2019-12-01 18:07:34,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 18:07:34,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:34,837 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 18:07:34,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 307 states and 661 transitions. [2019-12-01 18:07:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 661 transitions. [2019-12-01 18:07:34,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 18:07:34,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 18:07:36,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:36,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 315 states and 679 transitions. [2019-12-01 18:07:36,035 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 679 transitions. [2019-12-01 18:07:36,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 18:07:36,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:36,061 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 18:07:36,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:36,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 316 states and 680 transitions. [2019-12-01 18:07:36,084 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 680 transitions. [2019-12-01 18:07:36,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 18:07:36,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:36,100 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 18:07:37,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:37,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 320 states and 686 transitions. [2019-12-01 18:07:37,054 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 686 transitions. [2019-12-01 18:07:37,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 18:07:37,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:37,069 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 18:07:37,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:37,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 322 states and 698 transitions. [2019-12-01 18:07:37,822 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 698 transitions. [2019-12-01 18:07:37,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 18:07:37,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:37,838 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 18:07:38,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 327 states and 707 transitions. [2019-12-01 18:07:38,239 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 707 transitions. [2019-12-01 18:07:38,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 18:07:38,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 18:07:38,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:38,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 329 states and 708 transitions. [2019-12-01 18:07:38,627 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 708 transitions. [2019-12-01 18:07:38,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 18:07:38,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:38,641 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 18:07:38,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:38,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 330 states and 709 transitions. [2019-12-01 18:07:38,657 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 709 transitions. [2019-12-01 18:07:38,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 18:07:38,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 18:07:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:38,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 331 states and 712 transitions. [2019-12-01 18:07:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 712 transitions. [2019-12-01 18:07:38,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 18:07:38,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 18:07:40,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:40,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 340 states and 736 transitions. [2019-12-01 18:07:40,212 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 736 transitions. [2019-12-01 18:07:40,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 18:07:40,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:40,225 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 18:07:40,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:40,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 343 states and 743 transitions. [2019-12-01 18:07:40,452 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 743 transitions. [2019-12-01 18:07:40,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 18:07:40,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:40,466 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 18:07:40,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:40,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 341 states and 739 transitions. [2019-12-01 18:07:40,487 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 739 transitions. [2019-12-01 18:07:40,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 18:07:40,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:40,502 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 18:07:40,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:40,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 342 states and 742 transitions. [2019-12-01 18:07:40,815 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 742 transitions. [2019-12-01 18:07:40,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 18:07:40,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:40,829 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 18:07:40,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:40,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 345 states and 745 transitions. [2019-12-01 18:07:40,986 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 745 transitions. [2019-12-01 18:07:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 18:07:40,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:40,999 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 18:07:41,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:41,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 350 states and 752 transitions. [2019-12-01 18:07:41,424 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 752 transitions. [2019-12-01 18:07:41,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 18:07:41,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:41,439 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 18:07:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:41,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 352 states and 753 transitions. [2019-12-01 18:07:41,739 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 753 transitions. [2019-12-01 18:07:41,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 18:07:41,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:41,755 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 18:07:41,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:41,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 355 states and 755 transitions. [2019-12-01 18:07:41,952 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 755 transitions. [2019-12-01 18:07:41,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 18:07:41,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:41,966 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 18:07:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:41,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 357 states and 757 transitions. [2019-12-01 18:07:41,987 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 757 transitions. [2019-12-01 18:07:41,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-01 18:07:41,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 18:07:42,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:42,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 361 states and 766 transitions. [2019-12-01 18:07:42,758 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 766 transitions. [2019-12-01 18:07:42,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 18:07:42,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:42,772 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:07:42,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:42,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 362 states and 767 transitions. [2019-12-01 18:07:42,790 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 767 transitions. [2019-12-01 18:07:42,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-01 18:07:42,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:42,805 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 18:07:42,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:42,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 363 states and 768 transitions. [2019-12-01 18:07:42,843 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 768 transitions. [2019-12-01 18:07:42,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 18:07:42,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 18:07:43,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:43,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 364 states and 771 transitions. [2019-12-01 18:07:43,185 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 771 transitions. [2019-12-01 18:07:43,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 18:07:43,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 18:07:43,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:43,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 362 states and 767 transitions. [2019-12-01 18:07:43,222 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 767 transitions. [2019-12-01 18:07:43,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 18:07:43,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 18:07:44,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:44,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 369 states and 785 transitions. [2019-12-01 18:07:44,673 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 785 transitions. [2019-12-01 18:07:44,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-01 18:07:44,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-01 18:07:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:44,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 371 states and 788 transitions. [2019-12-01 18:07:44,714 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 788 transitions. [2019-12-01 18:07:44,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-01 18:07:44,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-01 18:07:45,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:45,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 366 states and 777 transitions. [2019-12-01 18:07:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 777 transitions. [2019-12-01 18:07:45,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-12-01 18:07:45,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:45,519 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-12-01 18:07:45,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:45,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 367 states and 778 transitions. [2019-12-01 18:07:45,548 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 778 transitions. [2019-12-01 18:07:45,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-12-01 18:07:45,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:45,563 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-12-01 18:07:45,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:45,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 367 states and 776 transitions. [2019-12-01 18:07:45,591 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 776 transitions. [2019-12-01 18:07:45,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 18:07:45,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:45,607 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 18:07:45,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:45,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 368 states and 777 transitions. [2019-12-01 18:07:45,627 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 777 transitions. [2019-12-01 18:07:45,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 18:07:45,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:45,643 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-01 18:07:45,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 369 states and 778 transitions. [2019-12-01 18:07:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 778 transitions. [2019-12-01 18:07:45,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 18:07:45,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-01 18:07:45,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:45,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 363 states and 766 transitions. [2019-12-01 18:07:45,716 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 766 transitions. [2019-12-01 18:07:45,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-01 18:07:45,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 18:07:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 357 states and 754 transitions. [2019-12-01 18:07:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 754 transitions. [2019-12-01 18:07:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-01 18:07:45,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 18:07:47,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:47,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 366 states and 770 transitions. [2019-12-01 18:07:47,558 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 770 transitions. [2019-12-01 18:07:47,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-01 18:07:47,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-12-01 18:07:47,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:47,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 364 states and 754 transitions. [2019-12-01 18:07:47,909 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 754 transitions. [2019-12-01 18:07:47,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-01 18:07:47,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 18:07:47,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:47,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 365 states and 755 transitions. [2019-12-01 18:07:47,963 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 755 transitions. [2019-12-01 18:07:47,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-01 18:07:47,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:47,991 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 18:07:48,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:48,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 172 states and 239 transitions. [2019-12-01 18:07:48,365 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 239 transitions. [2019-12-01 18:07:48,366 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 18:07:48,366 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 88 iterations. [2019-12-01 18:07:48,373 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 18:07:48,722 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 18:07:48,728 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 18:07:48,728 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-12-01 18:07:48,728 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 18:07:48,728 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 18:07:48,728 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 18:07:48,729 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2019-12-01 18:07:48,730 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 18:07:48,730 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 18:07:48,730 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 18:07:48,730 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 18:07:48,730 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 18:07:48,730 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 18:07:48,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:07:48 ImpRootNode [2019-12-01 18:07:48,731 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 18:07:48,731 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 18:07:48,731 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 18:07:48,731 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 18:07:48,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:07:14" (3/4) ... [2019-12-01 18:07:48,733 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 18:07:48,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-12-01 18:07:48,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-01 18:07:48,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 18:07:48,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-12-01 18:07:48,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 18:07:48,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 18:07:48,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 18:07:48,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-12-01 18:07:48,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-12-01 18:07:48,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2019-12-01 18:07:48,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-12-01 18:07:48,744 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 18:07:48,744 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 18:07:48,744 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 18:07:48,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 18:07:48,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 18:07:48,764 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && pumpRunning == 0) && 0 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || (!(0 == systemActive) && !(pumpRunning == 0)) [2019-12-01 18:07:48,765 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-12-01 18:07:48,790 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ca44d4fd-d738-484f-bb20-794f46001bd7/bin/ukojak/witness.graphml [2019-12-01 18:07:48,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 18:07:48,792 INFO L168 Benchmark]: Toolchain (without parser) took 35533.68 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 537.4 MB). Free memory was 939.9 MB in the beginning and 1.4 GB in the end (delta: -434.0 MB). Peak memory consumption was 103.4 MB. Max. memory is 11.5 GB. [2019-12-01 18:07:48,792 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 18:07:48,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-01 18:07:48,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.39 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 18:07:48,792 INFO L168 Benchmark]: Boogie Preprocessor took 23.82 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 18:07:48,793 INFO L168 Benchmark]: RCFGBuilder took 540.26 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: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. [2019-12-01 18:07:48,793 INFO L168 Benchmark]: CodeCheck took 34529.80 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 431.0 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -365.7 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-12-01 18:07:48,793 INFO L168 Benchmark]: Witness Printer took 59.50 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2019-12-01 18:07:48,794 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 10 procedures, 69 locations, 1 error locations. Result: SAFE, OverallTime: 34.1s, OverallIterations: 88, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1946304744 SDtfs, 590754464 SDslu, -1983658840 SDs, 0 SdLazy, 36712732 SolverSat, 275136944 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 86.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54736 GetRequests, 53805 SyntacticMatches, 393 SemanticMatches, 538 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139533 ImplicationChecksByTransitivity, 28.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 4559 NumberOfCodeBlocks, 4559 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 4472 ConstructedInterpolants, 0 QuantifiedInterpolants, 481466 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 87 InterpolantComputations, 79 PerfectInterpolantSequences, 1881/1923 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: 44]: 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: 438]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(0 == tmp) - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && pumpRunning == 0) && 0 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || (!(0 == systemActive) && !(pumpRunning == 0)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.39 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. * Boogie Preprocessor took 23.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 540.26 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: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. * CodeCheck took 34529.80 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 431.0 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -365.7 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * Witness Printer took 59.50 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...