./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4e8de40c-9441-4b20-b25c-18f462deac3a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4e8de40c-9441-4b20-b25c-18f462deac3a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4e8de40c-9441-4b20-b25c-18f462deac3a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4e8de40c-9441-4b20-b25c-18f462deac3a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4e8de40c-9441-4b20-b25c-18f462deac3a/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4e8de40c-9441-4b20-b25c-18f462deac3a/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6c09c2a46ed7454ea61f3b2ddb99e3e2ba9fd4da .............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:41:36,393 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:41:36,394 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:41:36,402 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:41:36,402 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:41:36,403 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:41:36,403 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:41:36,404 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:41:36,405 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:41:36,406 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:41:36,406 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:41:36,407 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:41:36,407 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:41:36,408 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:41:36,409 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:41:36,409 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:41:36,410 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:41:36,411 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:41:36,412 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:41:36,413 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:41:36,413 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:41:36,414 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:41:36,415 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:41:36,415 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:41:36,415 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:41:36,416 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:41:36,417 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:41:36,417 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:41:36,418 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:41:36,418 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:41:36,418 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:41:36,419 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:41:36,419 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:41:36,419 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:41:36,420 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:41:36,420 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:41:36,421 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4e8de40c-9441-4b20-b25c-18f462deac3a/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 11:41:36,430 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:41:36,430 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:41:36,431 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:41:36,431 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:41:36,431 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:41:36,432 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:41:36,432 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:41:36,432 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:41:36,432 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:41:36,432 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:41:36,432 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:41:36,432 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:41:36,432 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:41:36,433 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 11:41:36,433 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:41:36,433 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:41:36,433 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:41:36,433 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:41:36,433 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:41:36,433 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:41:36,433 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:41:36,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:41:36,434 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:41:36,434 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:41:36,434 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:41:36,434 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:41:36,434 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:41:36,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:41:36,434 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_4e8de40c-9441-4b20-b25c-18f462deac3a/bin-2019/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c09c2a46ed7454ea61f3b2ddb99e3e2ba9fd4da [2018-11-18 11:41:36,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:41:36,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:41:36,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:41:36,471 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:41:36,472 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:41:36,472 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4e8de40c-9441-4b20-b25c-18f462deac3a/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1_true-termination_true-no-overflow.c [2018-11-18 11:41:36,516 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e8de40c-9441-4b20-b25c-18f462deac3a/bin-2019/ukojak/data/d0dcb46a4/9aadfe58c5814916bc8e5aa14d1cecdf/FLAG6c4ecc329 [2018-11-18 11:41:36,862 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:41:36,862 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4e8de40c-9441-4b20-b25c-18f462deac3a/sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1_true-termination_true-no-overflow.c [2018-11-18 11:41:36,867 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e8de40c-9441-4b20-b25c-18f462deac3a/bin-2019/ukojak/data/d0dcb46a4/9aadfe58c5814916bc8e5aa14d1cecdf/FLAG6c4ecc329 [2018-11-18 11:41:37,293 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4e8de40c-9441-4b20-b25c-18f462deac3a/bin-2019/ukojak/data/d0dcb46a4/9aadfe58c5814916bc8e5aa14d1cecdf [2018-11-18 11:41:37,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:41:37,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:41:37,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:41:37,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:41:37,308 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:41:37,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:41:37" (1/1) ... [2018-11-18 11:41:37,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a19fc73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:37, skipping insertion in model container [2018-11-18 11:41:37,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:41:37" (1/1) ... [2018-11-18 11:41:37,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:41:37,336 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:41:37,438 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:41:37,439 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:41:37,448 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:41:37,455 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:41:37,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:37 WrapperNode [2018-11-18 11:41:37,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:41:37,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:41:37,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:41:37,456 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:41:37,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:37" (1/1) ... [2018-11-18 11:41:37,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:37" (1/1) ... [2018-11-18 11:41:37,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:41:37,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:41:37,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:41:37,476 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:41:37,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:37" (1/1) ... [2018-11-18 11:41:37,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:37" (1/1) ... [2018-11-18 11:41:37,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:37" (1/1) ... [2018-11-18 11:41:37,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:37" (1/1) ... [2018-11-18 11:41:37,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:37" (1/1) ... [2018-11-18 11:41:37,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:37" (1/1) ... [2018-11-18 11:41:37,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:37" (1/1) ... [2018-11-18 11:41:37,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:41:37,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:41:37,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:41:37,487 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:41:37,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:41:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e8de40c-9441-4b20-b25c-18f462deac3a/bin-2019/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 [2018-11-18 11:41:37,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:41:37,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:41:37,701 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:41:37,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:41:37 BoogieIcfgContainer [2018-11-18 11:41:37,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:41:37,702 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:41:37,702 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:41:37,708 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:41:37,708 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:41:37" (1/1) ... [2018-11-18 11:41:37,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:41:37,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:37,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-18 11:41:37,734 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-18 11:41:37,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:41:37,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:37,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:37,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:37,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-11-18 11:41:37,870 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-11-18 11:41:37,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:41:37,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:38,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:38,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2018-11-18 11:41:38,045 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2018-11-18 11:41:38,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:41:38,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:38,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:38,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:38,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2018-11-18 11:41:38,077 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2018-11-18 11:41:38,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:41:38,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:38,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:38,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2018-11-18 11:41:38,123 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2018-11-18 11:41:38,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 11:41:38,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:38,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:38,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2018-11-18 11:41:38,466 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2018-11-18 11:41:38,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 11:41:38,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:38,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:38,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:38,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-11-18 11:41:38,727 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-11-18 11:41:38,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 11:41:38,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:38,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:39,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:39,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-11-18 11:41:39,071 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-11-18 11:41:39,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 11:41:39,072 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:39,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:39,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2018-11-18 11:41:39,455 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2018-11-18 11:41:39,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:41:39,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:39,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2018-11-18 11:41:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2018-11-18 11:41:39,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:41:39,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:39,817 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:41:40,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:40,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 79 transitions. [2018-11-18 11:41:40,012 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2018-11-18 11:41:40,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:41:40,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:40,090 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:40,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2018-11-18 11:41:40,460 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2018-11-18 11:41:40,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:41:40,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:40,587 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:41,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:41,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 61 states and 95 transitions. [2018-11-18 11:41:41,098 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 95 transitions. [2018-11-18 11:41:41,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:41:41,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:41,192 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:41,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:41,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 67 states and 107 transitions. [2018-11-18 11:41:41,765 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 107 transitions. [2018-11-18 11:41:41,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:41:41,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:41,798 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:41:41,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:41,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 67 states and 106 transitions. [2018-11-18 11:41:41,949 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 106 transitions. [2018-11-18 11:41:41,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:41:41,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:41,963 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:41:42,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:42,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 71 states and 111 transitions. [2018-11-18 11:41:42,172 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2018-11-18 11:41:42,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:41:42,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:42,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:42,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 115 transitions. [2018-11-18 11:41:42,381 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2018-11-18 11:41:42,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:41:42,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:42,390 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:42,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:42,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 78 states and 118 transitions. [2018-11-18 11:41:42,520 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 118 transitions. [2018-11-18 11:41:42,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:41:42,521 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:42,582 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:41:42,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:42,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 79 states and 118 transitions. [2018-11-18 11:41:42,755 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2018-11-18 11:41:42,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:41:42,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:43,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:43,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 84 states and 127 transitions. [2018-11-18 11:41:43,171 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 127 transitions. [2018-11-18 11:41:43,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:41:43,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:43,227 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:43,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:43,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 88 states and 131 transitions. [2018-11-18 11:41:43,600 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2018-11-18 11:41:43,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:41:43,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:43,608 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:41:43,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:43,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 89 states and 131 transitions. [2018-11-18 11:41:43,770 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 131 transitions. [2018-11-18 11:41:43,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:41:43,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:43,781 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:43,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:43,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 129 transitions. [2018-11-18 11:41:43,941 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2018-11-18 11:41:43,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:41:43,941 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:43,949 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:44,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:44,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 88 states and 127 transitions. [2018-11-18 11:41:44,141 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 127 transitions. [2018-11-18 11:41:44,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:41:44,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:44,174 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:44,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:44,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 92 states and 133 transitions. [2018-11-18 11:41:44,494 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2018-11-18 11:41:44,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:41:44,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:44,503 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 11:41:44,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:44,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 93 states and 133 transitions. [2018-11-18 11:41:44,588 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 133 transitions. [2018-11-18 11:41:44,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:41:44,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:44,596 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 11:41:44,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:44,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 80 states and 114 transitions. [2018-11-18 11:41:44,742 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2018-11-18 11:41:44,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:41:44,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:44,778 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:41:44,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:44,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 114 transitions. [2018-11-18 11:41:44,934 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2018-11-18 11:41:44,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:41:44,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:44,963 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:41:45,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:45,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 82 states and 114 transitions. [2018-11-18 11:41:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2018-11-18 11:41:45,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:41:45,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:41:45,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:45,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 83 states and 114 transitions. [2018-11-18 11:41:45,217 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 114 transitions. [2018-11-18 11:41:45,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:41:45,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:45,259 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:41:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:45,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 87 states and 119 transitions. [2018-11-18 11:41:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2018-11-18 11:41:45,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:41:45,634 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:45,703 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:41:46,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:46,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 87 states and 117 transitions. [2018-11-18 11:41:46,124 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2018-11-18 11:41:46,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:41:46,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:41:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:41:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 11:41:46,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:41:46,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2018-11-18 11:41:46,180 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2018-11-18 11:41:46,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:41:46,180 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2018-11-18 11:41:46,186 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-18 11:41:46,283 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:41:46,286 INFO L579 CodeCheckObserver]: Invariant with dag size 30 [2018-11-18 11:41:46,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:41:46 ImpRootNode [2018-11-18 11:41:46,291 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:41:46,291 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:41:46,291 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:41:46,292 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:41:46,292 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:41:37" (3/4) ... [2018-11-18 11:41:46,294 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:41:46,300 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 11:41:46,301 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:41:46,301 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:41:46,328 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4e8de40c-9441-4b20-b25c-18f462deac3a/bin-2019/ukojak/witness.graphml [2018-11-18 11:41:46,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:41:46,328 INFO L168 Benchmark]: Toolchain (without parser) took 9029.97 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 367.0 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -126.1 MB). Peak memory consumption was 240.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:41:46,329 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:41:46,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 154.13 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:41:46,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.49 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 939.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:41:46,330 INFO L168 Benchmark]: Boogie Preprocessor took 11.54 ms. Allocated memory is still 1.0 GB. Free memory is still 939.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:41:46,330 INFO L168 Benchmark]: RCFGBuilder took 214.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.4 MB). Free memory was 939.2 MB in the beginning and 1.2 GB in the end (delta: -225.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:41:46,331 INFO L168 Benchmark]: CodeCheck took 8589.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 86.3 MB). Peak memory consumption was 271.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:41:46,331 INFO L168 Benchmark]: Witness Printer took 36.45 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:41:46,333 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 18 locations, 4 error locations. SAFE Result, 8.4s OverallTime, 33 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -1415864478 SDslu, -2049079264 SDs, 0 SdLazy, -13832130 SolverSat, 1232218268 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5185 GetRequests, 4557 SyntacticMatches, 376 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33952 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 554 NumberOfCodeBlocks, 554 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 41376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 4 PerfectInterpolantSequences, 238/534 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((((2147483647 < y1 && y1 <= y2 + 2147483646) && y2 <= 2147483647) || (((1 <= y1 && y1 <= 2147483647) && y2 <= 2147483647) && 1 <= y2)) || (((1 <= y1 && y1 <= 2 * y2 + 2147483645) && 0 <= y2) && y2 < 1)) || (((y2 <= 2147483647 && 0 <= y2) && y1 <= y2 + 2147483647) && y2 + 2147483646 < y1)) || ((y1 <= y2 + 2147483646 && 0 <= y2) && 2 * y2 + 2147483645 < y1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 154.13 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.49 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 939.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.54 ms. Allocated memory is still 1.0 GB. Free memory is still 939.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 214.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.4 MB). Free memory was 939.2 MB in the beginning and 1.2 GB in the end (delta: -225.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 8589.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 86.3 MB). Peak memory consumption was 271.9 MB. Max. memory is 11.5 GB. * Witness Printer took 36.45 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...