./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b4d260d4-b69e-4aae-993b-e20cd68d471a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b4d260d4-b69e-4aae-993b-e20cd68d471a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b4d260d4-b69e-4aae-993b-e20cd68d471a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b4d260d4-b69e-4aae-993b-e20cd68d471a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b4d260d4-b69e-4aae-993b-e20cd68d471a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b4d260d4-b69e-4aae-993b-e20cd68d471a/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 17a573274f1db5e4aeb22956c61c459b952d0c5d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:22:11,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:22:11,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:22:11,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:22:11,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:22:11,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:22:11,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:22:11,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:22:11,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:22:11,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:22:11,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:22:11,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:22:11,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:22:11,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:22:11,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:22:11,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:22:11,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:22:11,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:22:11,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:22:11,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:22:11,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:22:11,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:22:11,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:22:11,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:22:11,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:22:11,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:22:11,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:22:11,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:22:11,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:22:11,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:22:11,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:22:11,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:22:11,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:22:11,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:22:11,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:22:11,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:22:11,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:22:11,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:22:11,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:22:11,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:22:11,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:22:11,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b4d260d4-b69e-4aae-993b-e20cd68d471a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 22:22:11,352 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:22:11,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:22:11,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 22:22:11,362 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 22:22:11,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:22:11,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:22:11,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:22:11,363 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:22:11,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:22:11,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:22:11,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:22:11,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:22:11,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:22:11,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:22:11,367 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:22:11,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:22:11,367 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:22:11,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:22:11,368 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 22:22:11,368 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 22:22:11,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:22:11,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:22:11,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:22:11,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:22:11,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:22:11,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:22:11,370 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 22:22:11,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:22:11,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:22:11,370 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_b4d260d4-b69e-4aae-993b-e20cd68d471a/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 -> 17a573274f1db5e4aeb22956c61c459b952d0c5d [2019-11-19 22:22:11,505 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:22:11,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:22:11,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:22:11,518 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:22:11,518 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:22:11,519 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b4d260d4-b69e-4aae-993b-e20cd68d471a/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2019-11-19 22:22:11,566 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4d260d4-b69e-4aae-993b-e20cd68d471a/bin/ukojak/data/1467d14b2/c2b1cc95533b46c0a699dfd491ec24e2/FLAGd9ecfeeb7 [2019-11-19 22:22:12,042 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:22:12,043 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b4d260d4-b69e-4aae-993b-e20cd68d471a/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2019-11-19 22:22:12,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4d260d4-b69e-4aae-993b-e20cd68d471a/bin/ukojak/data/1467d14b2/c2b1cc95533b46c0a699dfd491ec24e2/FLAGd9ecfeeb7 [2019-11-19 22:22:12,074 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b4d260d4-b69e-4aae-993b-e20cd68d471a/bin/ukojak/data/1467d14b2/c2b1cc95533b46c0a699dfd491ec24e2 [2019-11-19 22:22:12,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:22:12,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:22:12,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:22:12,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:22:12,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:22:12,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:22:12" (1/1) ... [2019-11-19 22:22:12,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c1783e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:12, skipping insertion in model container [2019-11-19 22:22:12,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:22:12" (1/1) ... [2019-11-19 22:22:12,095 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:22:12,136 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:22:12,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:22:12,443 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:22:12,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:22:12,549 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:22:12,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:12 WrapperNode [2019-11-19 22:22:12,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:22:12,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:22:12,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:22:12,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:22:12,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:12" (1/1) ... [2019-11-19 22:22:12,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:12" (1/1) ... [2019-11-19 22:22:12,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:22:12,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:22:12,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:22:12,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:22:12,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:12" (1/1) ... [2019-11-19 22:22:12,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:12" (1/1) ... [2019-11-19 22:22:12,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:12" (1/1) ... [2019-11-19 22:22:12,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:12" (1/1) ... [2019-11-19 22:22:12,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:12" (1/1) ... [2019-11-19 22:22:12,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:12" (1/1) ... [2019-11-19 22:22:12,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:12" (1/1) ... [2019-11-19 22:22:12,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:22:12,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:22:12,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:22:12,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:22:12,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4d260d4-b69e-4aae-993b-e20cd68d471a/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 [2019-11-19 22:22:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:22:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-19 22:22:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-19 22:22:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-19 22:22:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-19 22:22:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-19 22:22:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-19 22:22:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-19 22:22:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-19 22:22:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-19 22:22:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-19 22:22:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-19 22:22:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-19 22:22:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-19 22:22:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-19 22:22:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:22:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-19 22:22:12,706 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-19 22:22:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:22:12,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:22:13,713 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:22:13,713 INFO L285 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-19 22:22:13,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:22:13 BoogieIcfgContainer [2019-11-19 22:22:13,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:22:13,715 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 22:22:13,715 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 22:22:13,724 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 22:22:13,724 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:22:13" (1/1) ... [2019-11-19 22:22:13,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:13,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:13,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2019-11-19 22:22:13,787 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2019-11-19 22:22:13,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 22:22:13,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:14,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:14,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2019-11-19 22:22:14,103 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2019-11-19 22:22:14,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 22:22:14,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:14,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:14,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2019-11-19 22:22:14,208 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2019-11-19 22:22:14,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 22:22:14,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:14,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:14,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 69 states and 94 transitions. [2019-11-19 22:22:14,368 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2019-11-19 22:22:14,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 22:22:14,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:14,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:14,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 77 states and 108 transitions. [2019-11-19 22:22:14,688 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2019-11-19 22:22:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 22:22:14,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:14,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:14,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 78 states and 109 transitions. [2019-11-19 22:22:14,739 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2019-11-19 22:22:14,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 22:22:14,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:14,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:14,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:14,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 79 states and 110 transitions. [2019-11-19 22:22:14,785 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2019-11-19 22:22:14,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-19 22:22:14,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:14,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:15,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:15,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 96 states and 146 transitions. [2019-11-19 22:22:15,763 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 146 transitions. [2019-11-19 22:22:15,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 22:22:15,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:15,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:15,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:15,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 97 states and 147 transitions. [2019-11-19 22:22:15,835 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 147 transitions. [2019-11-19 22:22:15,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 22:22:15,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:16,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:17,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:17,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 116 states and 184 transitions. [2019-11-19 22:22:17,439 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 184 transitions. [2019-11-19 22:22:17,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 22:22:17,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:17,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:17,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:17,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 121 states and 194 transitions. [2019-11-19 22:22:17,517 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 194 transitions. [2019-11-19 22:22:17,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 22:22:17,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:17,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:17,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:17,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 127 states and 209 transitions. [2019-11-19 22:22:17,740 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 209 transitions. [2019-11-19 22:22:17,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 22:22:17,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 22:22:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:17,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 133 states and 222 transitions. [2019-11-19 22:22:17,964 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 222 transitions. [2019-11-19 22:22:17,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 22:22:17,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:17,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:17,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 135 states and 224 transitions. [2019-11-19 22:22:17,998 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 224 transitions. [2019-11-19 22:22:18,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 22:22:18,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:18,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 22:22:18,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:18,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 136 states and 225 transitions. [2019-11-19 22:22:18,060 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 225 transitions. [2019-11-19 22:22:18,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 22:22:18,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:18,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:18,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 138 states and 230 transitions. [2019-11-19 22:22:18,436 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 230 transitions. [2019-11-19 22:22:18,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 22:22:18,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:18,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:18,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:18,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 136 states and 224 transitions. [2019-11-19 22:22:18,491 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 224 transitions. [2019-11-19 22:22:18,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 22:22:18,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:18,586 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 22:22:19,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:19,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 247 transitions. [2019-11-19 22:22:19,375 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 247 transitions. [2019-11-19 22:22:19,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 22:22:19,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 22:22:19,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:19,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 144 states and 243 transitions. [2019-11-19 22:22:19,452 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 243 transitions. [2019-11-19 22:22:19,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 22:22:19,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:19,760 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 22:22:20,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:20,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 147 states and 249 transitions. [2019-11-19 22:22:20,612 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 249 transitions. [2019-11-19 22:22:20,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 22:22:20,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:20,643 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 22:22:21,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:21,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 153 states and 262 transitions. [2019-11-19 22:22:21,464 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 262 transitions. [2019-11-19 22:22:21,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-19 22:22:21,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:21,494 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 22:22:21,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:21,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 154 states and 264 transitions. [2019-11-19 22:22:21,525 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 264 transitions. [2019-11-19 22:22:21,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 22:22:21,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 22:22:21,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:21,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 155 states and 266 transitions. [2019-11-19 22:22:21,585 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 266 transitions. [2019-11-19 22:22:21,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 22:22:21,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:21,626 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 22:22:21,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:21,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 163 states and 278 transitions. [2019-11-19 22:22:21,967 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 278 transitions. [2019-11-19 22:22:21,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 22:22:21,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 22:22:22,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:22,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 165 states and 279 transitions. [2019-11-19 22:22:22,306 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 279 transitions. [2019-11-19 22:22:22,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 22:22:22,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:22,340 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 22:22:22,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:22,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 166 states and 280 transitions. [2019-11-19 22:22:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 280 transitions. [2019-11-19 22:22:22,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 22:22:22,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:22,398 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:22:24,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:24,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 183 states and 321 transitions. [2019-11-19 22:22:24,493 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 321 transitions. [2019-11-19 22:22:24,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 22:22:24,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:24,524 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:22:24,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:24,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 185 states and 323 transitions. [2019-11-19 22:22:24,919 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 323 transitions. [2019-11-19 22:22:24,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 22:22:24,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:24,947 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:22:26,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:26,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 195 states and 347 transitions. [2019-11-19 22:22:26,970 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 347 transitions. [2019-11-19 22:22:26,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 22:22:26,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:26,997 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:22:27,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 197 states and 350 transitions. [2019-11-19 22:22:27,290 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 350 transitions. [2019-11-19 22:22:27,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 22:22:27,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:27,316 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:22:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:27,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 198 states and 351 transitions. [2019-11-19 22:22:27,334 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 351 transitions. [2019-11-19 22:22:27,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 22:22:27,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:27,359 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-19 22:22:27,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:27,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 200 states and 353 transitions. [2019-11-19 22:22:27,384 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 353 transitions. [2019-11-19 22:22:27,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 22:22:27,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:22:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:27,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 201 states and 354 transitions. [2019-11-19 22:22:27,676 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 354 transitions. [2019-11-19 22:22:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 22:22:27,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:27,710 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:22:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:27,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 202 states and 355 transitions. [2019-11-19 22:22:27,732 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 355 transitions. [2019-11-19 22:22:27,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 22:22:27,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:27,757 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 22:22:28,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:28,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 198 states and 347 transitions. [2019-11-19 22:22:28,117 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 347 transitions. [2019-11-19 22:22:28,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 22:22:28,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:28,146 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 22:22:28,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:28,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 200 states and 348 transitions. [2019-11-19 22:22:28,459 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 348 transitions. [2019-11-19 22:22:28,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-19 22:22:28,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-19 22:22:28,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:28,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 203 states and 353 transitions. [2019-11-19 22:22:28,509 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 353 transitions. [2019-11-19 22:22:28,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-19 22:22:28,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:28,534 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-19 22:22:29,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:29,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 203 states and 351 transitions. [2019-11-19 22:22:29,041 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 351 transitions. [2019-11-19 22:22:29,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-19 22:22:29,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:29,066 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 22:22:30,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:30,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 209 states and 360 transitions. [2019-11-19 22:22:30,027 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 360 transitions. [2019-11-19 22:22:30,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-19 22:22:30,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:30,054 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:22:30,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:30,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 211 states and 358 transitions. [2019-11-19 22:22:30,572 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 358 transitions. [2019-11-19 22:22:30,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-19 22:22:30,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:30,599 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:22:30,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:30,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 165 states and 266 transitions. [2019-11-19 22:22:30,622 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 266 transitions. [2019-11-19 22:22:30,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-19 22:22:30,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:30,647 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:22:30,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 170 states and 273 transitions. [2019-11-19 22:22:30,857 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 273 transitions. [2019-11-19 22:22:30,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-19 22:22:30,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:30,881 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:22:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:30,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 168 states and 269 transitions. [2019-11-19 22:22:30,907 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 269 transitions. [2019-11-19 22:22:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-19 22:22:30,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:30,931 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:22:31,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:31,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 169 states and 272 transitions. [2019-11-19 22:22:31,249 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 272 transitions. [2019-11-19 22:22:31,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-19 22:22:31,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:31,273 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:22:31,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 172 states and 275 transitions. [2019-11-19 22:22:31,319 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 275 transitions. [2019-11-19 22:22:31,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-19 22:22:31,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:31,345 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-19 22:22:31,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:31,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 174 states and 277 transitions. [2019-11-19 22:22:31,381 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 277 transitions. [2019-11-19 22:22:31,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-19 22:22:31,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:31,408 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:22:31,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 176 states and 280 transitions. [2019-11-19 22:22:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 280 transitions. [2019-11-19 22:22:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-19 22:22:31,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:31,466 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-19 22:22:31,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:31,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 167 states and 263 transitions. [2019-11-19 22:22:31,502 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 263 transitions. [2019-11-19 22:22:31,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-19 22:22:31,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:31,548 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-19 22:22:31,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:31,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 168 states and 264 transitions. [2019-11-19 22:22:31,594 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 264 transitions. [2019-11-19 22:22:31,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-19 22:22:31,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:22:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:31,629 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:22:31,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:22:31,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 104 states and 143 transitions. [2019-11-19 22:22:31,668 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions. [2019-11-19 22:22:31,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:22:31,669 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 50 iterations. [2019-11-19 22:22:31,679 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-19 22:22:32,128 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:22:32,132 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:22:32,133 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:22:32,133 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:22:32,133 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-19 22:22:32,137 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:22:32,137 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:22:32,137 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-19 22:22:32,138 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:22:32,138 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-19 22:22:32,139 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-19 22:22:32,139 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:22:32,140 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:22:32,140 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:22:32,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 10:22:32 ImpRootNode [2019-11-19 22:22:32,140 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 22:22:32,140 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:22:32,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:22:32,141 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:22:32,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:22:13" (3/4) ... [2019-11-19 22:22:32,144 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:22:32,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-19 22:22:32,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-19 22:22:32,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-19 22:22:32,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-19 22:22:32,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-19 22:22:32,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-19 22:22:32,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-19 22:22:32,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2019-11-19 22:22:32,164 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-11-19 22:22:32,164 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-19 22:22:32,165 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-19 22:22:32,166 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 22:22:32,166 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 22:22:32,167 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 22:22:32,198 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0))) || (!(0 == systemActive) && !(pumpRunning == 0)) [2019-11-19 22:22:32,199 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-11-19 22:22:32,253 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b4d260d4-b69e-4aae-993b-e20cd68d471a/bin/ukojak/witness.graphml [2019-11-19 22:22:32,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:22:32,255 INFO L168 Benchmark]: Toolchain (without parser) took 20176.14 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 446.2 MB). Free memory was 947.4 MB in the beginning and 1.4 GB in the end (delta: -427.2 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:22:32,255 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:22:32,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:22:32,256 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:22:32,256 INFO L168 Benchmark]: Boogie Preprocessor took 33.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:22:32,256 INFO L168 Benchmark]: RCFGBuilder took 1069.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.3 MB). Peak memory consumption was 80.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:22:32,257 INFO L168 Benchmark]: CodeCheck took 18425.58 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 287.8 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -342.3 MB). Peak memory consumption was 505.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:22:32,257 INFO L168 Benchmark]: Witness Printer took 112.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:22:32,259 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 9 procedures, 64 locations, 1 error locations. Result: SAFE, OverallTime: 17.9s, OverallIterations: 50, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 195324436 SDtfs, -211132708 SDslu, 1779616316 SDs, 0 SdLazy, -1703871124 SolverSat, -706233948 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21830 GetRequests, 21359 SyntacticMatches, 207 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28931 ImplicationChecksByTransitivity, 13.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2143 NumberOfCodeBlocks, 2143 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 2094 ConstructedInterpolants, 0 QuantifiedInterpolants, 202195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 37 PerfectInterpolantSequences, 719/771 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: 534]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: ((1 == tmp && 0 == methaneLevelCritical) && tmp == systemActive) && pumpRunning == 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0))) || (!(0 == systemActive) && !(pumpRunning == 0)) - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(0 == tmp) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 469.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1069.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.3 MB). Peak memory consumption was 80.3 MB. Max. memory is 11.5 GB. * CodeCheck took 18425.58 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 287.8 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -342.3 MB). Peak memory consumption was 505.6 MB. Max. memory is 11.5 GB. * Witness Printer took 112.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...