./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/bitvector/gcd_4_true-unreach-call_true-no-overflow_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ec317294-cc20-40af-9fc4-3aef06a48472/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ec317294-cc20-40af-9fc4-3aef06a48472/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ec317294-cc20-40af-9fc4-3aef06a48472/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ec317294-cc20-40af-9fc4-3aef06a48472/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_4_true-unreach-call_true-no-overflow_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ec317294-cc20-40af-9fc4-3aef06a48472/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ec317294-cc20-40af-9fc4-3aef06a48472/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 32bit --witnessprinter.graph.data.programhash 9918b49e0d76e4ce36b6a6760021b33460a8ae9b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:54:35,570 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:54:35,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:54:35,578 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:54:35,579 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:54:35,579 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:54:35,580 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:54:35,581 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:54:35,582 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:54:35,583 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:54:35,583 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:54:35,584 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:54:35,584 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:54:35,585 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:54:35,586 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:54:35,586 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:54:35,587 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:54:35,588 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:54:35,589 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:54:35,590 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:54:35,591 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:54:35,592 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:54:35,593 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:54:35,594 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:54:35,594 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:54:35,594 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:54:35,595 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:54:35,596 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:54:35,596 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:54:35,597 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:54:35,597 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:54:35,598 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:54:35,598 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:54:35,598 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:54:35,599 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:54:35,599 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:54:35,599 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ec317294-cc20-40af-9fc4-3aef06a48472/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2018-11-18 17:54:35,610 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:54:35,610 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:54:35,611 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:54:35,611 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:54:35,611 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:54:35,612 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:54:35,612 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:54:35,612 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:54:35,612 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 17:54:35,612 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:54:35,612 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:54:35,612 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:54:35,612 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:54:35,613 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:54:35,613 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:54:35,613 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 17:54:35,613 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:54:35,613 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:54:35,613 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:54:35,613 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:54:35,613 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:54:35,614 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:54:35,614 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:54:35,614 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:54:35,614 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:54:35,614 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:54:35,614 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:54:35,614 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:54:35,614 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:54:35,614 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:54:35,614 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:54:35,614 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_ec317294-cc20-40af-9fc4-3aef06a48472/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9918b49e0d76e4ce36b6a6760021b33460a8ae9b [2018-11-18 17:54:35,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:54:35,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:54:35,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:54:35,647 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:54:35,647 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:54:35,648 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ec317294-cc20-40af-9fc4-3aef06a48472/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/gcd_4_true-unreach-call_true-no-overflow_true-termination.i [2018-11-18 17:54:35,683 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec317294-cc20-40af-9fc4-3aef06a48472/bin-2019/ukojak/data/b489251c7/679a1c8110464563ac14588fa6b6a7c7/FLAGa93ac3cb5 [2018-11-18 17:54:35,983 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:54:35,983 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ec317294-cc20-40af-9fc4-3aef06a48472/sv-benchmarks/c/bitvector/gcd_4_true-unreach-call_true-no-overflow_true-termination.i [2018-11-18 17:54:35,989 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec317294-cc20-40af-9fc4-3aef06a48472/bin-2019/ukojak/data/b489251c7/679a1c8110464563ac14588fa6b6a7c7/FLAGa93ac3cb5 [2018-11-18 17:54:36,000 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ec317294-cc20-40af-9fc4-3aef06a48472/bin-2019/ukojak/data/b489251c7/679a1c8110464563ac14588fa6b6a7c7 [2018-11-18 17:54:36,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:54:36,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:54:36,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:54:36,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:54:36,008 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:54:36,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:54:36" (1/1) ... [2018-11-18 17:54:36,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f35898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:36, skipping insertion in model container [2018-11-18 17:54:36,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:54:36" (1/1) ... [2018-11-18 17:54:36,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:54:36,035 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:54:36,159 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:54:36,161 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:54:36,172 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:54:36,180 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:54:36,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:36 WrapperNode [2018-11-18 17:54:36,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:54:36,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:54:36,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:54:36,181 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:54:36,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:36" (1/1) ... [2018-11-18 17:54:36,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:36" (1/1) ... [2018-11-18 17:54:36,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:54:36,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:54:36,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:54:36,201 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:54:36,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:36" (1/1) ... [2018-11-18 17:54:36,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:36" (1/1) ... [2018-11-18 17:54:36,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:36" (1/1) ... [2018-11-18 17:54:36,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:36" (1/1) ... [2018-11-18 17:54:36,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:36" (1/1) ... [2018-11-18 17:54:36,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:36" (1/1) ... [2018-11-18 17:54:36,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:36" (1/1) ... [2018-11-18 17:54:36,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:54:36,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:54:36,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:54:36,213 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:54:36,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec317294-cc20-40af-9fc4-3aef06a48472/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 17:54:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:54:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:54:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 17:54:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 17:54:36,451 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:54:36,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:54:36 BoogieIcfgContainer [2018-11-18 17:54:36,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:54:36,452 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:54:36,452 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:54:36,458 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:54:36,459 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:54:36" (1/1) ... [2018-11-18 17:54:36,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:36,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:36,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2018-11-18 17:54:36,490 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2018-11-18 17:54:36,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 17:54:36,491 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:36,575 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 17:54:36,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2018-11-18 17:54:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2018-11-18 17:54:36,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-18 17:54:36,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:36,618 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 17:54:36,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:36,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2018-11-18 17:54:36,707 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2018-11-18 17:54:36,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 17:54:36,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:36,761 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 17:54:36,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:36,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2018-11-18 17:54:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2018-11-18 17:54:36,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 17:54:36,866 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:36,896 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 17:54:36,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:36,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2018-11-18 17:54:36,983 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2018-11-18 17:54:36,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 17:54:36,984 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:36,999 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 17:54:37,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:37,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2018-11-18 17:54:37,025 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2018-11-18 17:54:37,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 17:54:37,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:37,060 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 17:54:37,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:37,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2018-11-18 17:54:37,125 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2018-11-18 17:54:37,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 17:54:37,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:37,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:37,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:37,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2018-11-18 17:54:37,193 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2018-11-18 17:54:37,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 17:54:37,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:37,225 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 17:54:37,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:37,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2018-11-18 17:54:37,365 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2018-11-18 17:54:37,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 17:54:37,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:37,407 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:54:37,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2018-11-18 17:54:37,468 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2018-11-18 17:54:37,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 17:54:37,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:37,499 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:54:37,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:37,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2018-11-18 17:54:37,578 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2018-11-18 17:54:37,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 17:54:37,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:37,629 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:54:37,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:37,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2018-11-18 17:54:37,870 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2018-11-18 17:54:37,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 17:54:37,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:37,913 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:38,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:38,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2018-11-18 17:54:38,069 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2018-11-18 17:54:38,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 17:54:38,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:38,138 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:54:38,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:38,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2018-11-18 17:54:38,245 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2018-11-18 17:54:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 17:54:38,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:54:38,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:38,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 84 transitions. [2018-11-18 17:54:38,339 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2018-11-18 17:54:38,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 17:54:38,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 17:54:38,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:38,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 60 states and 82 transitions. [2018-11-18 17:54:38,484 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2018-11-18 17:54:38,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 17:54:38,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:38,492 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 17:54:38,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:38,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 58 states and 77 transitions. [2018-11-18 17:54:38,535 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2018-11-18 17:54:38,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 17:54:38,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:38,604 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:54:39,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:39,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2018-11-18 17:54:39,234 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2018-11-18 17:54:39,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 17:54:39,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:39,335 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:54:39,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 85 states and 115 transitions. [2018-11-18 17:54:39,714 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2018-11-18 17:54:39,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 17:54:39,715 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:39,730 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:54:39,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:39,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 88 states and 119 transitions. [2018-11-18 17:54:39,835 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2018-11-18 17:54:39,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 17:54:39,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:39,939 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 17:54:40,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:40,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 97 states and 135 transitions. [2018-11-18 17:54:40,410 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 135 transitions. [2018-11-18 17:54:40,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 17:54:40,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 24 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:41,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:41,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 106 states and 149 transitions. [2018-11-18 17:54:41,065 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 149 transitions. [2018-11-18 17:54:41,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 17:54:41,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 24 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:41,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 107 states and 151 transitions. [2018-11-18 17:54:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 151 transitions. [2018-11-18 17:54:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 17:54:41,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:41,289 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 43 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:54:41,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:41,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 113 states and 164 transitions. [2018-11-18 17:54:41,831 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 164 transitions. [2018-11-18 17:54:41,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 17:54:41,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:41,847 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 24 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:41,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:41,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 117 states and 171 transitions. [2018-11-18 17:54:41,980 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 171 transitions. [2018-11-18 17:54:41,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 17:54:41,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:41,989 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 43 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:54:42,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:42,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 121 states and 177 transitions. [2018-11-18 17:54:42,235 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2018-11-18 17:54:42,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 17:54:42,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 40 proven. 14 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:54:42,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:42,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 122 states and 179 transitions. [2018-11-18 17:54:42,420 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 179 transitions. [2018-11-18 17:54:42,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 17:54:42,421 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:42,430 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:54:42,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:42,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 126 states and 185 transitions. [2018-11-18 17:54:42,719 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 185 transitions. [2018-11-18 17:54:42,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 17:54:42,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:42,743 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 40 proven. 14 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:54:43,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:43,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 114 states and 165 transitions. [2018-11-18 17:54:43,013 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 165 transitions. [2018-11-18 17:54:43,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 17:54:43,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:54:43,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:43,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 118 states and 169 transitions. [2018-11-18 17:54:43,406 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2018-11-18 17:54:43,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 17:54:43,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:43,416 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 16 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 17:54:43,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:43,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 119 states and 170 transitions. [2018-11-18 17:54:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 170 transitions. [2018-11-18 17:54:43,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 17:54:43,526 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:54:43,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:43,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 120 states and 171 transitions. [2018-11-18 17:54:43,704 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 171 transitions. [2018-11-18 17:54:43,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 17:54:43,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:43,715 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:54:43,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:43,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 120 states and 170 transitions. [2018-11-18 17:54:43,867 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 170 transitions. [2018-11-18 17:54:43,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 17:54:43,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 24 proven. 81 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:54:45,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:45,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 130 states and 191 transitions. [2018-11-18 17:54:45,045 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 191 transitions. [2018-11-18 17:54:45,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 17:54:45,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 17:54:45,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:45,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 132 states and 197 transitions. [2018-11-18 17:54:45,679 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 197 transitions. [2018-11-18 17:54:45,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 17:54:45,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:45,753 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 83 proven. 14 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 17:54:46,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:46,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 137 states and 203 transitions. [2018-11-18 17:54:46,446 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 203 transitions. [2018-11-18 17:54:46,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 17:54:46,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 72 proven. 53 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:54:47,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 149 states and 217 transitions. [2018-11-18 17:54:47,199 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 217 transitions. [2018-11-18 17:54:47,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 17:54:47,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:47,213 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 17:54:47,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:47,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 154 states and 226 transitions. [2018-11-18 17:54:47,728 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 226 transitions. [2018-11-18 17:54:47,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 17:54:47,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:47,892 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 86 proven. 61 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:54:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:48,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 157 states and 231 transitions. [2018-11-18 17:54:48,343 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 231 transitions. [2018-11-18 17:54:48,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 17:54:48,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:48,356 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 86 proven. 61 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:54:48,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:48,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 160 states and 235 transitions. [2018-11-18 17:54:48,541 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 235 transitions. [2018-11-18 17:54:48,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 17:54:48,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:48,549 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 87 proven. 9 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-18 17:54:48,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:48,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 150 states and 222 transitions. [2018-11-18 17:54:48,751 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 222 transitions. [2018-11-18 17:54:48,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 17:54:48,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 86 proven. 61 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:54:49,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:49,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 156 states and 234 transitions. [2018-11-18 17:54:49,600 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 234 transitions. [2018-11-18 17:54:49,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 17:54:49,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:49,612 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 86 proven. 61 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:54:49,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:49,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 157 states and 234 transitions. [2018-11-18 17:54:49,810 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 234 transitions. [2018-11-18 17:54:49,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 17:54:49,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:49,985 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 17:54:51,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:51,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 164 states and 247 transitions. [2018-11-18 17:54:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 247 transitions. [2018-11-18 17:54:51,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 17:54:51,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 114 proven. 116 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:54:52,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:52,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 172 states and 266 transitions. [2018-11-18 17:54:52,657 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 266 transitions. [2018-11-18 17:54:52,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 17:54:52,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:52,666 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 118 proven. 8 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-18 17:54:52,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:52,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 132 states and 199 transitions. [2018-11-18 17:54:52,852 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 199 transitions. [2018-11-18 17:54:52,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:54:52,852 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2018-11-18 17:54:52,858 INFO L775 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-11-18 17:54:53,097 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2018-11-18 17:54:53,326 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2018-11-18 17:54:53,583 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2018-11-18 17:54:53,713 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 43 [2018-11-18 17:54:53,823 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 45 [2018-11-18 17:54:53,978 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:54:53,980 INFO L579 CodeCheckObserver]: Invariant with dag size 62 [2018-11-18 17:54:53,988 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:54:53,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:54:53 ImpRootNode [2018-11-18 17:54:53,988 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:54:53,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:54:53,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:54:53,989 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:54:53,989 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:54:36" (3/4) ... [2018-11-18 17:54:53,994 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:54:53,999 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-18 17:54:54,002 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-18 17:54:54,002 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 17:54:54,002 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 17:54:54,036 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ec317294-cc20-40af-9fc4-3aef06a48472/bin-2019/ukojak/witness.graphml [2018-11-18 17:54:54,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:54:54,037 INFO L168 Benchmark]: Toolchain (without parser) took 18033.42 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 386.9 MB). Free memory was 959.1 MB in the beginning and 1.2 GB in the end (delta: -244.8 MB). Peak memory consumption was 142.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:54,037 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:54:54,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.99 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:54,038 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.93 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:54,038 INFO L168 Benchmark]: Boogie Preprocessor took 11.20 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:54:54,038 INFO L168 Benchmark]: RCFGBuilder took 239.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:54,038 INFO L168 Benchmark]: CodeCheck took 17536.59 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 235.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -70.0 MB). Peak memory consumption was 521.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:54,039 INFO L168 Benchmark]: Witness Printer took 47.45 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 29.7 kB). Peak memory consumption was 29.7 kB. Max. memory is 11.5 GB. [2018-11-18 17:54:54,040 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 2 procedures, 38 locations, 8 error locations. SAFE Result, 16.3s OverallTime, 46 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -49402972 SDslu, -742756416 SDs, 0 SdLazy, -1061844778 SolverSat, -1381783318 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13064 GetRequests, 11916 SyntacticMatches, 712 SemanticMatches, 436 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110500 ImplicationChecksByTransitivity, 14.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1560 NumberOfCodeBlocks, 1560 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 1515 ConstructedInterpolants, 0 QuantifiedInterpolants, 220759 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 10 PerfectInterpolantSequences, 2647/3826 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: 12]: 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: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: 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: 13]: 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((((((((((((a <= 1073741823 && 1 <= a) && a + 16 < b) && b <= a + 2147483646) || (((1073741823 < a && a <= 2147483647) && a + 16 < b) && b <= a + 2147483646)) || ((a <= 9 && 0 <= b) && b < a)) || ((a <= b && a <= 2147483647) && 2 * b + 9 < 3 * a)) || (((a <= b && b <= a + 16) && 1 <= a) && 2 * a < b + 9)) || ((b <= 17 && 9 < a) && a <= 2 * b + 9)) || ((a <= b && a <= 9) && b + 9 <= 2 * a)) || ((a <= b + 2147483647 && 2 * b + 9 < a) && 0 <= b)) || ((b <= 2147483647 && 2147483647 < a) && a <= b + 18)) || (((a <= b + 2147483647 && b <= 2147483645) && a <= 2 * b + 9) && b + 18 < a)) || ((b <= a + 16 && 9 < a) && 3 * a <= 2 * b + 9)) || ((a <= 2147483647 && b < a) && 17 < b) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.99 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 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 19.93 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.20 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 239.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 17536.59 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 235.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -70.0 MB). Peak memory consumption was 521.6 MB. Max. memory is 11.5 GB. * Witness Printer took 47.45 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 29.7 kB). Peak memory consumption was 29.7 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...