./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product07.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_a46da23a-f3ae-4802-bf35-2a3233781e2b/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a46da23a-f3ae-4802-bf35-2a3233781e2b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a46da23a-f3ae-4802-bf35-2a3233781e2b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a46da23a-f3ae-4802-bf35-2a3233781e2b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a46da23a-f3ae-4802-bf35-2a3233781e2b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a46da23a-f3ae-4802-bf35-2a3233781e2b/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 eee003d188141d192a4a75bb282a26c7c76ed342 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:49:16,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 04:49:16,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 04:49:16,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 04:49:16,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 04:49:16,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 04:49:16,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 04:49:16,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 04:49:16,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 04:49:16,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 04:49:16,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 04:49:16,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 04:49:16,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 04:49:16,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 04:49:16,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 04:49:16,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 04:49:16,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 04:49:16,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 04:49:16,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 04:49:16,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 04:49:16,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 04:49:16,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 04:49:16,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 04:49:16,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 04:49:16,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 04:49:16,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 04:49:16,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 04:49:16,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 04:49:16,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 04:49:16,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 04:49:16,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 04:49:16,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 04:49:16,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 04:49:16,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 04:49:16,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 04:49:16,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 04:49:16,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 04:49:16,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 04:49:16,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 04:49:16,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 04:49:16,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 04:49:16,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a46da23a-f3ae-4802-bf35-2a3233781e2b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 04:49:16,370 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 04:49:16,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 04:49:16,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 04:49:16,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 04:49:16,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 04:49:16,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 04:49:16,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 04:49:16,371 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 04:49:16,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 04:49:16,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 04:49:16,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 04:49:16,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 04:49:16,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 04:49:16,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 04:49:16,372 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 04:49:16,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 04:49:16,373 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 04:49:16,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 04:49:16,373 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 04:49:16,373 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 04:49:16,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 04:49:16,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 04:49:16,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 04:49:16,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 04:49:16,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 04:49:16,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 04:49:16,374 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 04:49:16,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 04:49:16,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 04:49:16,374 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_a46da23a-f3ae-4802-bf35-2a3233781e2b/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 -> eee003d188141d192a4a75bb282a26c7c76ed342 [2019-12-01 04:49:16,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 04:49:16,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 04:49:16,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 04:49:16,491 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 04:49:16,491 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 04:49:16,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a46da23a-f3ae-4802-bf35-2a3233781e2b/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2019-12-01 04:49:16,537 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a46da23a-f3ae-4802-bf35-2a3233781e2b/bin/ukojak/data/92ec2b4cf/6ad0875e50ac4a41b997ef62ffbf3eca/FLAGc5a4c17f2 [2019-12-01 04:49:16,972 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 04:49:16,972 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a46da23a-f3ae-4802-bf35-2a3233781e2b/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2019-12-01 04:49:16,979 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a46da23a-f3ae-4802-bf35-2a3233781e2b/bin/ukojak/data/92ec2b4cf/6ad0875e50ac4a41b997ef62ffbf3eca/FLAGc5a4c17f2 [2019-12-01 04:49:16,988 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a46da23a-f3ae-4802-bf35-2a3233781e2b/bin/ukojak/data/92ec2b4cf/6ad0875e50ac4a41b997ef62ffbf3eca [2019-12-01 04:49:16,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 04:49:16,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 04:49:16,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 04:49:16,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 04:49:16,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 04:49:16,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:49:16" (1/1) ... [2019-12-01 04:49:16,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70ecabc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:49:16, skipping insertion in model container [2019-12-01 04:49:16,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:49:16" (1/1) ... [2019-12-01 04:49:17,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 04:49:17,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 04:49:17,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 04:49:17,247 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 04:49:17,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 04:49:17,313 INFO L208 MainTranslator]: Completed translation [2019-12-01 04:49:17,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:49:17 WrapperNode [2019-12-01 04:49:17,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 04:49:17,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 04:49:17,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 04:49:17,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 04:49:17,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:49:17" (1/1) ... [2019-12-01 04:49:17,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:49:17" (1/1) ... [2019-12-01 04:49:17,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 04:49:17,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 04:49:17,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 04:49:17,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 04:49:17,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:49:17" (1/1) ... [2019-12-01 04:49:17,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:49:17" (1/1) ... [2019-12-01 04:49:17,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:49:17" (1/1) ... [2019-12-01 04:49:17,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:49:17" (1/1) ... [2019-12-01 04:49:17,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:49:17" (1/1) ... [2019-12-01 04:49:17,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:49:17" (1/1) ... [2019-12-01 04:49:17,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:49:17" (1/1) ... [2019-12-01 04:49:17,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 04:49:17,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 04:49:17,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 04:49:17,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 04:49:17,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:49:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a46da23a-f3ae-4802-bf35-2a3233781e2b/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 04:49:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 04:49:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 04:49:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 04:49:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 04:49:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 04:49:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 04:49:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 04:49:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 04:49:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 04:49:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 04:49:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 04:49:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-12-01 04:49:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-12-01 04:49:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 04:49:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 04:49:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 04:49:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 04:49:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 04:49:17,976 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 04:49:17,976 INFO L287 CfgBuilder]: Removed 32 assume(true) statements. [2019-12-01 04:49:17,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:49:17 BoogieIcfgContainer [2019-12-01 04:49:17,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 04:49:17,977 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 04:49:17,977 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 04:49:17,984 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 04:49:17,984 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:49:17" (1/1) ... [2019-12-01 04:49:17,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 04:49:18,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:18,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 56 states and 75 transitions. [2019-12-01 04:49:18,018 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2019-12-01 04:49:18,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 04:49:18,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:18,180 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 04:49:18,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:18,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2019-12-01 04:49:18,190 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2019-12-01 04:49:18,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 04:49:18,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:18,249 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 04:49:18,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:18,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 76 transitions. [2019-12-01 04:49:18,267 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2019-12-01 04:49:18,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 04:49:18,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:18,324 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 04:49:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:18,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2019-12-01 04:49:18,429 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2019-12-01 04:49:18,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 04:49:18,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:18,497 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 04:49:18,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:18,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2019-12-01 04:49:18,751 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2019-12-01 04:49:18,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 04:49:18,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:18,788 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 04:49:18,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:18,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 85 states and 131 transitions. [2019-12-01 04:49:18,796 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 131 transitions. [2019-12-01 04:49:18,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 04:49:18,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:18,830 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 04:49:18,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:18,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 86 states and 132 transitions. [2019-12-01 04:49:18,841 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2019-12-01 04:49:18,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 04:49:18,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:18,865 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 04:49:18,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:18,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 87 states and 133 transitions. [2019-12-01 04:49:18,877 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 133 transitions. [2019-12-01 04:49:18,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 04:49:18,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:18,916 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 04:49:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:18,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 88 states and 134 transitions. [2019-12-01 04:49:18,923 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2019-12-01 04:49:18,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 04:49:18,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:18,950 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 04:49:18,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:18,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 89 states and 135 transitions. [2019-12-01 04:49:18,963 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 135 transitions. [2019-12-01 04:49:18,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 04:49:18,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:19,041 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 04:49:19,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:19,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 106 states and 170 transitions. [2019-12-01 04:49:19,675 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 170 transitions. [2019-12-01 04:49:19,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 04:49:19,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:19,693 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 04:49:19,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:19,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 183 transitions. [2019-12-01 04:49:19,783 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 183 transitions. [2019-12-01 04:49:19,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 04:49:19,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:19,808 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 04:49:19,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:19,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 117 states and 195 transitions. [2019-12-01 04:49:19,910 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 195 transitions. [2019-12-01 04:49:19,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 04:49:19,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:19,925 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 04:49:20,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:20,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 121 states and 201 transitions. [2019-12-01 04:49:20,019 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 201 transitions. [2019-12-01 04:49:20,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 04:49:20,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:20,037 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 04:49:20,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:20,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 122 states and 202 transitions. [2019-12-01 04:49:20,047 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 202 transitions. [2019-12-01 04:49:20,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 04:49:20,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:20,089 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 04:49:20,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:20,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 210 transitions. [2019-12-01 04:49:20,216 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2019-12-01 04:49:20,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 04:49:20,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:20,238 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 04:49:20,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:20,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 219 transitions. [2019-12-01 04:49:20,263 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 219 transitions. [2019-12-01 04:49:20,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 04:49:20,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:20,311 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 04:49:20,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:20,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 139 states and 245 transitions. [2019-12-01 04:49:20,755 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 245 transitions. [2019-12-01 04:49:20,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 04:49:20,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:20,771 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 04:49:20,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:20,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 140 states and 246 transitions. [2019-12-01 04:49:20,797 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 246 transitions. [2019-12-01 04:49:20,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 04:49:20,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:20,819 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 04:49:20,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:20,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 138 states and 242 transitions. [2019-12-01 04:49:20,837 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 242 transitions. [2019-12-01 04:49:20,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 04:49:20,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:21,079 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 04:49:21,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:21,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 141 states and 248 transitions. [2019-12-01 04:49:21,643 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 248 transitions. [2019-12-01 04:49:21,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 04:49:21,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:21,660 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:49:22,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:22,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 157 states and 279 transitions. [2019-12-01 04:49:22,507 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 279 transitions. [2019-12-01 04:49:22,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 04:49:22,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:22,523 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 04:49:22,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:22,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 160 states and 286 transitions. [2019-12-01 04:49:22,681 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 286 transitions. [2019-12-01 04:49:22,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 04:49:22,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:22,698 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 04:49:22,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:22,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 164 states and 295 transitions. [2019-12-01 04:49:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 295 transitions. [2019-12-01 04:49:22,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 04:49:22,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:23,004 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 04:49:23,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:23,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 171 states and 308 transitions. [2019-12-01 04:49:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 308 transitions. [2019-12-01 04:49:23,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 04:49:23,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:23,238 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 04:49:23,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:23,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 173 states and 309 transitions. [2019-12-01 04:49:23,391 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 309 transitions. [2019-12-01 04:49:23,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 04:49:23,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:49:23,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:23,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 174 states and 317 transitions. [2019-12-01 04:49:23,412 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 317 transitions. [2019-12-01 04:49:23,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 04:49:23,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:23,428 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 04:49:23,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:23,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 175 states and 317 transitions. [2019-12-01 04:49:23,434 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 317 transitions. [2019-12-01 04:49:23,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 04:49:23,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:23,448 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:49:23,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:23,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 176 states and 318 transitions. [2019-12-01 04:49:23,460 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 318 transitions. [2019-12-01 04:49:23,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 04:49:23,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:23,481 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:49:23,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:23,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 177 states and 319 transitions. [2019-12-01 04:49:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 319 transitions. [2019-12-01 04:49:23,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 04:49:23,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:23,523 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 04:49:23,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:23,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 178 states and 320 transitions. [2019-12-01 04:49:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 320 transitions. [2019-12-01 04:49:23,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 04:49:23,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:23,624 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 04:49:24,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:24,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 194 states and 354 transitions. [2019-12-01 04:49:24,929 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 354 transitions. [2019-12-01 04:49:24,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 04:49:24,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 04:49:25,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:25,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 196 states and 357 transitions. [2019-12-01 04:49:25,171 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 357 transitions. [2019-12-01 04:49:25,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 04:49:25,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:25,194 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 04:49:26,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:26,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 208 states and 392 transitions. [2019-12-01 04:49:26,912 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 392 transitions. [2019-12-01 04:49:26,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 04:49:26,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:26,943 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 04:49:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:27,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 210 states and 393 transitions. [2019-12-01 04:49:27,162 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 393 transitions. [2019-12-01 04:49:27,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 04:49:27,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:27,180 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 04:49:27,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:27,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 211 states and 393 transitions. [2019-12-01 04:49:27,187 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 393 transitions. [2019-12-01 04:49:27,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 04:49:27,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:27,200 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 04:49:29,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:29,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 217 states and 403 transitions. [2019-12-01 04:49:29,377 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 403 transitions. [2019-12-01 04:49:29,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 04:49:29,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 04:49:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:29,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 218 states and 404 transitions. [2019-12-01 04:49:29,403 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 404 transitions. [2019-12-01 04:49:29,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 04:49:29,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:29,419 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 04:49:29,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 219 states and 405 transitions. [2019-12-01 04:49:29,431 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 405 transitions. [2019-12-01 04:49:29,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 04:49:29,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:29,446 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 04:49:30,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:30,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 227 states and 425 transitions. [2019-12-01 04:49:30,551 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 425 transitions. [2019-12-01 04:49:30,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 04:49:30,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:30,673 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 04:49:30,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:30,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 232 states and 438 transitions. [2019-12-01 04:49:30,997 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 438 transitions. [2019-12-01 04:49:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 04:49:30,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:31,011 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 04:49:31,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:31,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 238 states and 449 transitions. [2019-12-01 04:49:31,269 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 449 transitions. [2019-12-01 04:49:31,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 04:49:31,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:31,285 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 04:49:31,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:31,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 241 states and 453 transitions. [2019-12-01 04:49:31,300 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 453 transitions. [2019-12-01 04:49:31,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 04:49:31,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:31,317 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 04:49:31,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:31,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 244 states and 461 transitions. [2019-12-01 04:49:31,571 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 461 transitions. [2019-12-01 04:49:31,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 04:49:31,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:31,587 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 04:49:31,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:31,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 245 states and 462 transitions. [2019-12-01 04:49:31,599 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 462 transitions. [2019-12-01 04:49:31,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 04:49:31,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:31,614 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 04:49:31,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:31,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 246 states and 463 transitions. [2019-12-01 04:49:31,629 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 463 transitions. [2019-12-01 04:49:31,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 04:49:31,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 04:49:31,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:31,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 246 states and 456 transitions. [2019-12-01 04:49:31,953 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 456 transitions. [2019-12-01 04:49:31,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 04:49:31,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:31,969 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 04:49:31,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:31,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 247 states and 457 transitions. [2019-12-01 04:49:31,983 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 457 transitions. [2019-12-01 04:49:31,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 04:49:31,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 04:49:32,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:32,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 249 states and 459 transitions. [2019-12-01 04:49:32,202 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 459 transitions. [2019-12-01 04:49:32,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 04:49:32,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:32,217 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 04:49:32,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:32,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 253 states and 466 transitions. [2019-12-01 04:49:32,338 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 466 transitions. [2019-12-01 04:49:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 04:49:32,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:32,352 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 04:49:33,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:33,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 261 states and 479 transitions. [2019-12-01 04:49:33,666 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 479 transitions. [2019-12-01 04:49:33,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 04:49:33,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:33,681 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 04:49:33,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:33,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 262 states and 479 transitions. [2019-12-01 04:49:33,696 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 479 transitions. [2019-12-01 04:49:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 04:49:33,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:33,710 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 04:49:34,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:34,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 267 states and 489 transitions. [2019-12-01 04:49:34,502 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 489 transitions. [2019-12-01 04:49:34,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 04:49:34,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:34,520 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 04:49:34,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:34,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 265 states and 485 transitions. [2019-12-01 04:49:34,549 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 485 transitions. [2019-12-01 04:49:34,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 04:49:34,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:34,567 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 04:49:34,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:34,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 266 states and 488 transitions. [2019-12-01 04:49:34,839 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 488 transitions. [2019-12-01 04:49:34,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 04:49:34,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:34,853 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 04:49:36,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:36,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 268 states and 489 transitions. [2019-12-01 04:49:36,034 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 489 transitions. [2019-12-01 04:49:36,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 04:49:36,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:36,050 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 04:49:36,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:36,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 269 states and 489 transitions. [2019-12-01 04:49:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 489 transitions. [2019-12-01 04:49:36,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 04:49:36,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 04:49:36,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:36,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 271 states and 492 transitions. [2019-12-01 04:49:36,101 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 492 transitions. [2019-12-01 04:49:36,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 04:49:36,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:36,114 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 04:49:36,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:36,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 273 states and 494 transitions. [2019-12-01 04:49:36,131 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 494 transitions. [2019-12-01 04:49:36,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 04:49:36,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:36,149 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 04:49:36,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:36,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 271 states and 490 transitions. [2019-12-01 04:49:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 490 transitions. [2019-12-01 04:49:36,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 04:49:36,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:36,181 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 04:49:36,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:36,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 277 states and 502 transitions. [2019-12-01 04:49:36,334 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 502 transitions. [2019-12-01 04:49:36,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 04:49:36,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:36,351 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 04:49:36,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:36,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 278 states and 502 transitions. [2019-12-01 04:49:36,366 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 502 transitions. [2019-12-01 04:49:36,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 04:49:36,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:36,389 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 04:49:36,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:36,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 279 states and 502 transitions. [2019-12-01 04:49:36,404 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 502 transitions. [2019-12-01 04:49:36,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 04:49:36,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:36,417 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 04:49:36,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:36,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 279 states and 501 transitions. [2019-12-01 04:49:36,442 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 501 transitions. [2019-12-01 04:49:36,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 04:49:36,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:36,456 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 04:49:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:36,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 281 states and 504 transitions. [2019-12-01 04:49:36,474 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 504 transitions. [2019-12-01 04:49:36,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 04:49:36,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:36,489 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 04:49:36,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:36,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 272 states and 487 transitions. [2019-12-01 04:49:36,513 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 487 transitions. [2019-12-01 04:49:36,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 04:49:36,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:36,629 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 04:49:37,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:37,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 274 states and 488 transitions. [2019-12-01 04:49:37,022 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 488 transitions. [2019-12-01 04:49:37,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 04:49:37,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:37,039 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 04:49:37,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:37,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 276 states and 489 transitions. [2019-12-01 04:49:37,308 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 489 transitions. [2019-12-01 04:49:37,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 04:49:37,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:37,322 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 04:49:37,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:37,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 268 states and 472 transitions. [2019-12-01 04:49:37,344 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 472 transitions. [2019-12-01 04:49:37,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 04:49:37,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:37,358 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 04:49:37,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:37,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 269 states and 473 transitions. [2019-12-01 04:49:37,380 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 473 transitions. [2019-12-01 04:49:37,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 04:49:37,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:37,394 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 04:49:37,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:37,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 256 states and 450 transitions. [2019-12-01 04:49:37,411 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 450 transitions. [2019-12-01 04:49:37,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 04:49:37,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 04:49:37,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:37,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 261 states and 462 transitions. [2019-12-01 04:49:37,964 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 462 transitions. [2019-12-01 04:49:37,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-01 04:49:37,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:38,002 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 04:49:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 270 states and 482 transitions. [2019-12-01 04:49:38,773 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 482 transitions. [2019-12-01 04:49:38,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 04:49:38,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:38,788 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 04:49:39,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:39,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 272 states and 483 transitions. [2019-12-01 04:49:39,055 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 483 transitions. [2019-12-01 04:49:39,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-01 04:49:39,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:39,074 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 04:49:39,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:39,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 273 states and 484 transitions. [2019-12-01 04:49:39,099 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 484 transitions. [2019-12-01 04:49:39,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-01 04:49:39,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:39,115 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 31 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 04:49:39,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:39,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 275 states and 485 transitions. [2019-12-01 04:49:39,391 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 485 transitions. [2019-12-01 04:49:39,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 04:49:39,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:49:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:49:39,416 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-12-01 04:49:39,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:49:39,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 142 states and 209 transitions. [2019-12-01 04:49:39,691 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 209 transitions. [2019-12-01 04:49:39,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 04:49:39,691 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 77 iterations. [2019-12-01 04:49:39,698 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 04:49:39,999 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 04:49:40,005 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 04:49:40,005 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 04:49:40,005 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-12-01 04:49:40,007 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 04:49:40,007 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 04:49:40,007 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 04:49:40,007 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 04:49:40,007 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-12-01 04:49:40,007 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 04:49:40,007 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 04:49:40,008 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 04:49:40,008 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 04:49:40,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:49:40 ImpRootNode [2019-12-01 04:49:40,008 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 04:49:40,008 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 04:49:40,008 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 04:49:40,008 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 04:49:40,009 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:49:17" (3/4) ... [2019-12-01 04:49:40,011 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 04:49:40,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-12-01 04:49:40,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-01 04:49:40,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 04:49:40,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 04:49:40,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 04:49:40,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-12-01 04:49:40,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 04:49:40,020 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2019-12-01 04:49:40,021 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-01 04:49:40,021 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 04:49:40,021 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 04:49:40,022 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 04:49:40,022 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 04:49:40,022 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 04:49:40,041 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) [2019-12-01 04:49:40,042 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == \old(pumpRunning)) && !(0 == tmp)) || (!(0 == tmp) && !(pumpRunning == 0))) || tmp == methaneLevelCritical) || (!(0 == tmp) && 0 == systemActive) [2019-12-01 04:49:40,066 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a46da23a-f3ae-4802-bf35-2a3233781e2b/bin/ukojak/witness.graphml [2019-12-01 04:49:40,066 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 04:49:40,067 INFO L168 Benchmark]: Toolchain (without parser) took 23076.33 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 453.5 MB). Free memory was 942.1 MB in the beginning and 1.4 GB in the end (delta: -442.3 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2019-12-01 04:49:40,067 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 04:49:40,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-12-01 04:49:40,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.34 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-01 04:49:40,068 INFO L168 Benchmark]: Boogie Preprocessor took 22.23 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-01 04:49:40,068 INFO L168 Benchmark]: RCFGBuilder took 601.61 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: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. [2019-12-01 04:49:40,069 INFO L168 Benchmark]: CodeCheck took 22030.90 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 325.1 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -371.1 MB). Peak memory consumption was 475.5 MB. Max. memory is 11.5 GB. [2019-12-01 04:49:40,069 INFO L168 Benchmark]: Witness Printer took 57.84 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-01 04:49:40,070 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 8 procedures, 56 locations, 1 error locations. Result: SAFE, OverallTime: 21.6s, OverallIterations: 77, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1308090096 SDtfs, 1824447648 SDslu, 1536926408 SDs, 0 SdLazy, 269535620 SolverSat, -208692072 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 56.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39053 GetRequests, 38273 SyntacticMatches, 392 SemanticMatches, 388 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67381 ImplicationChecksByTransitivity, 17.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 3690 NumberOfCodeBlocks, 3690 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 3614 ConstructedInterpolants, 0 QuantifiedInterpolants, 406293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 76 InterpolantComputations, 51 PerfectInterpolantSequences, 1635/1820 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: 158]: 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: 504]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((!(pumpRunning == \old(pumpRunning)) && !(0 == tmp)) || (!(0 == tmp) && !(pumpRunning == 0))) || tmp == methaneLevelCritical) || (!(0 == tmp) && 0 == systemActive) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.34 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.23 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 601.61 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: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. * CodeCheck took 22030.90 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 325.1 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -371.1 MB). Peak memory consumption was 475.5 MB. Max. memory is 11.5 GB. * Witness Printer took 57.84 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...