./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_72bb93f3-2186-4d74-8f10-afd6dffefaed/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_72bb93f3-2186-4d74-8f10-afd6dffefaed/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_72bb93f3-2186-4d74-8f10-afd6dffefaed/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_72bb93f3-2186-4d74-8f10-afd6dffefaed/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_72bb93f3-2186-4d74-8f10-afd6dffefaed/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_72bb93f3-2186-4d74-8f10-afd6dffefaed/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 5a2d3ce20e3d26ebf70024607ecab77b852f9995 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:12:09,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:12:09,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:12:09,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:12:09,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:12:09,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:12:09,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:12:09,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:12:09,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:12:09,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:12:09,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:12:09,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:12:09,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:12:09,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:12:09,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:12:09,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:12:09,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:12:09,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:12:09,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:12:09,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:12:09,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:12:09,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:12:09,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:12:09,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:12:09,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:12:09,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:12:09,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:12:09,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:12:09,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:12:09,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:12:09,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:12:09,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:12:09,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:12:09,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:12:09,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:12:09,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:12:09,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:12:09,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:12:09,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:12:09,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:12:09,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:12:09,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_72bb93f3-2186-4d74-8f10-afd6dffefaed/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:12:09,497 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:12:09,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:12:09,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:12:09,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:12:09,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:12:09,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:12:09,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:12:09,504 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:12:09,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:12:09,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:12:09,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:12:09,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:12:09,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:12:09,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:12:09,505 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:12:09,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:12:09,505 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:12:09,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:12:09,505 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:12:09,505 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:12:09,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:12:09,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:12:09,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:09,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:12:09,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:12:09,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:12:09,508 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:12:09,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:12:09,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:12:09,508 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/working_dir_72bb93f3-2186-4d74-8f10-afd6dffefaed/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 -> 5a2d3ce20e3d26ebf70024607ecab77b852f9995 [2019-10-22 10:12:09,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:12:09,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:12:09,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:12:09,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:12:09,552 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:12:09,552 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_72bb93f3-2186-4d74-8f10-afd6dffefaed/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c [2019-10-22 10:12:09,598 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72bb93f3-2186-4d74-8f10-afd6dffefaed/bin/ukojak/data/0d0255d76/e326c87ecd2e4b12b2ffba90cc4c5923/FLAGf28c8d23d [2019-10-22 10:12:10,019 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:12:10,019 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_72bb93f3-2186-4d74-8f10-afd6dffefaed/sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c [2019-10-22 10:12:10,029 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72bb93f3-2186-4d74-8f10-afd6dffefaed/bin/ukojak/data/0d0255d76/e326c87ecd2e4b12b2ffba90cc4c5923/FLAGf28c8d23d [2019-10-22 10:12:10,039 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_72bb93f3-2186-4d74-8f10-afd6dffefaed/bin/ukojak/data/0d0255d76/e326c87ecd2e4b12b2ffba90cc4c5923 [2019-10-22 10:12:10,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:12:10,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:12:10,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:10,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:12:10,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:12:10,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:10" (1/1) ... [2019-10-22 10:12:10,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30031fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:10, skipping insertion in model container [2019-10-22 10:12:10,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:10" (1/1) ... [2019-10-22 10:12:10,057 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:12:10,094 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:12:10,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:10,458 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:12:10,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:10,559 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:12:10,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:10 WrapperNode [2019-10-22 10:12:10,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:10,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:10,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:12:10,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:12:10,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:10" (1/1) ... [2019-10-22 10:12:10,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:10" (1/1) ... [2019-10-22 10:12:10,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:10,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:12:10,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:12:10,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:12:10,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:10" (1/1) ... [2019-10-22 10:12:10,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:10" (1/1) ... [2019-10-22 10:12:10,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:10" (1/1) ... [2019-10-22 10:12:10,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:10" (1/1) ... [2019-10-22 10:12:10,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:10" (1/1) ... [2019-10-22 10:12:10,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:10" (1/1) ... [2019-10-22 10:12:10,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:10" (1/1) ... [2019-10-22 10:12:10,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:12:10,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:12:10,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:12:10,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:12:10,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72bb93f3-2186-4d74-8f10-afd6dffefaed/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 [2019-10-22 10:12:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:12:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:12:10,698 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:12:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:12:10,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:12:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:12:10,698 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:12:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:12:10,698 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:12:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:12:10,699 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:12:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:12:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:12:10,699 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:12:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:12:10,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:12:11,418 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:12:11,418 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-10-22 10:12:11,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:11 BoogieIcfgContainer [2019-10-22 10:12:11,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:12:11,420 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:12:11,420 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:12:11,430 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:12:11,430 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:11" (1/1) ... [2019-10-22 10:12:11,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:12:11,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:11,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2019-10-22 10:12:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2019-10-22 10:12:11,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:12:11,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:11,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:11,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:11,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-10-22 10:12:11,666 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-10-22 10:12:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:12:11,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:11,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:11,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:11,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2019-10-22 10:12:11,791 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2019-10-22 10:12:11,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:12:11,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:11,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:12,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:12,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2019-10-22 10:12:12,049 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2019-10-22 10:12:12,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:12:12,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:12,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:12,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:12,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 69 states and 101 transitions. [2019-10-22 10:12:12,471 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2019-10-22 10:12:12,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:12:12,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:12,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:12,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:12,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2019-10-22 10:12:12,523 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2019-10-22 10:12:12,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:12:12,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:12,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 71 states and 103 transitions. [2019-10-22 10:12:12,567 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2019-10-22 10:12:12,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:12:12,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:12,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:12,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2019-10-22 10:12:12,634 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2019-10-22 10:12:12,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:12:12,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:12,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:13,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:13,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 88 states and 136 transitions. [2019-10-22 10:12:13,411 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 136 transitions. [2019-10-22 10:12:13,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:12:13,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:13,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:12:13,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:13,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 90 states and 138 transitions. [2019-10-22 10:12:13,476 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 138 transitions. [2019-10-22 10:12:13,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:12:13,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:13,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:13,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 91 states and 139 transitions. [2019-10-22 10:12:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 139 transitions. [2019-10-22 10:12:13,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:12:13,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:13,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:13,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 92 states and 140 transitions. [2019-10-22 10:12:13,580 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 140 transitions. [2019-10-22 10:12:13,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:12:13,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:13,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:13,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:13,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 97 states and 148 transitions. [2019-10-22 10:12:13,991 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 148 transitions. [2019-10-22 10:12:13,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:12:13,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:14,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:12:14,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:14,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 106 states and 167 transitions. [2019-10-22 10:12:14,795 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 167 transitions. [2019-10-22 10:12:14,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:12:14,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:14,880 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:15,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:15,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 112 states and 180 transitions. [2019-10-22 10:12:15,145 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2019-10-22 10:12:15,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:12:15,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:15,174 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:15,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 110 states and 176 transitions. [2019-10-22 10:12:15,198 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 176 transitions. [2019-10-22 10:12:15,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:12:15,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:15,241 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:12:15,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:15,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 101 states and 159 transitions. [2019-10-22 10:12:15,421 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 159 transitions. [2019-10-22 10:12:15,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:12:15,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:15,447 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:15,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:15,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 103 states and 163 transitions. [2019-10-22 10:12:15,641 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 163 transitions. [2019-10-22 10:12:15,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:12:15,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:12:16,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:16,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 109 states and 184 transitions. [2019-10-22 10:12:16,623 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 184 transitions. [2019-10-22 10:12:16,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:12:16,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:16,658 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:12:16,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:16,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 111 states and 186 transitions. [2019-10-22 10:12:16,851 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 186 transitions. [2019-10-22 10:12:16,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:12:16,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:16,884 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:12:17,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:17,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 113 states and 188 transitions. [2019-10-22 10:12:17,107 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 188 transitions. [2019-10-22 10:12:17,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:12:17,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:17,135 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:12:17,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:17,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 124 states and 212 transitions. [2019-10-22 10:12:17,632 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 212 transitions. [2019-10-22 10:12:17,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:12:17,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:12:17,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:17,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 126 states and 213 transitions. [2019-10-22 10:12:17,869 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 213 transitions. [2019-10-22 10:12:17,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 10:12:17,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:17,922 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 10:12:19,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:19,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 137 states and 234 transitions. [2019-10-22 10:12:19,486 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2019-10-22 10:12:19,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 10:12:19,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 10:12:19,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:19,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 139 states and 236 transitions. [2019-10-22 10:12:19,798 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 236 transitions. [2019-10-22 10:12:19,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:12:19,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:12:19,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 140 states and 237 transitions. [2019-10-22 10:12:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 237 transitions. [2019-10-22 10:12:19,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:12:19,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:20,351 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 10:12:23,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:23,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 153 states and 282 transitions. [2019-10-22 10:12:23,728 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 282 transitions. [2019-10-22 10:12:23,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:12:23,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:24,513 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2019-10-22 10:12:24,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:12:24 ImpRootNode [2019-10-22 10:12:24,662 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:12:24,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:12:24,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:12:24,662 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:12:24,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:11" (3/4) ... [2019-10-22 10:12:24,671 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:12:24,795 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_72bb93f3-2186-4d74-8f10-afd6dffefaed/bin/ukojak/witness.graphml [2019-10-22 10:12:24,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:12:24,797 INFO L168 Benchmark]: Toolchain (without parser) took 14753.26 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 342.4 MB). Free memory was 944.5 MB in the beginning and 1.3 GB in the end (delta: -309.4 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:24,797 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:24,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 516.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:24,797 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:24,799 INFO L168 Benchmark]: Boogie Preprocessor took 25.16 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:24,800 INFO L168 Benchmark]: RCFGBuilder took 783.55 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:24,800 INFO L168 Benchmark]: CodeCheck took 13242.06 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -224.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:24,800 INFO L168 Benchmark]: Witness Printer took 132.96 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:24,801 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 48 locations, 1 error locations. Result: UNSAFE, OverallTime: 13.0s, OverallIterations: 27, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1464956120 SDtfs, 522177002 SDslu, 865587168 SDs, 0 SdLazy, 822217926 SolverSat, 232504068 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8962 GetRequests, 8690 SyntacticMatches, 42 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21998 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 948 NumberOfCodeBlocks, 948 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 870 ConstructedInterpolants, 0 QuantifiedInterpolants, 88445 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 21 PerfectInterpolantSequences, 194/231 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 - CounterExampleResult [Line: 887]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L480] int waterLevel = 1; [L481] int methaneLevelCritical = 0; [L578] int pumpRunning = 0; [L579] int systemActive = 1; [L749] int cleanupTimeShifts = 4; [L825] int retValue_acc ; [L826] int tmp ; [L874] int retValue_acc ; [L877] retValue_acc = 1 [L878] return (retValue_acc); [L832] tmp = valid_product() [L834] COND TRUE \read(tmp) [L411] int splverifierCounter ; [L412] int tmp ; [L413] int tmp___0 ; [L414] int tmp___1 ; [L415] int tmp___2 ; [L418] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L420] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L432] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L498] COND TRUE waterLevel < 2 [L499] waterLevel = waterLevel + 1 [L432] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp___2)) [L454] tmp___1 = __VERIFIER_nondet_int() [L456] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L463] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L586] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L593] COND TRUE \read(systemActive) [L615] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L618] COND TRUE ! pumpRunning [L730] int retValue_acc ; [L731] int tmp ; [L732] int tmp___0 ; [L560] int retValue_acc ; [L563] COND FALSE !(waterLevel < 2) [L567] retValue_acc = 0 [L568] return (retValue_acc); [L736] tmp = isHighWaterSensorDry() [L738] COND FALSE !(\read(tmp)) [L741] tmp___0 = 1 [L743] retValue_acc = tmp___0 [L744] return (retValue_acc); [L620] tmp = isHighWaterLevel() [L622] COND TRUE \read(tmp) [L649] int tmp ; [L674] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L678] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); [L678] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L678] retValue_acc = isMethaneLevelCritical() [L680] return (retValue_acc); [L653] tmp = isMethaneAlarm() [L655] COND FALSE !(\read(tmp)) [L643] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L893] int tmp ; [L894] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L898] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); [L898] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L898] tmp = isMethaneLevelCritical() [L900] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L463] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L420] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L442] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L510] COND FALSE !(\read(methaneLevelCritical)) [L513] methaneLevelCritical = 1 [L442] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L463] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L586] COND TRUE \read(pumpRunning) [L486] COND TRUE waterLevel > 0 [L487] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L593] COND TRUE \read(systemActive) [L615] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L618] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L633] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L893] int tmp ; [L894] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L898] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); [L898] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L898] tmp = isMethaneLevelCritical() [L900] COND TRUE \read(tmp) [L685] int retValue_acc ; [L688] retValue_acc = pumpRunning [L689] return (retValue_acc); [L902] tmp___0 = isPumpRunning() [L904] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L887] __VERIFIER_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=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 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 516.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.16 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 783.55 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * CodeCheck took 13242.06 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -224.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 132.96 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...