./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_47df97df-1104-43ed-b6bc-720b76a8ffc7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_47df97df-1104-43ed-b6bc-720b76a8ffc7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_47df97df-1104-43ed-b6bc-720b76a8ffc7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_47df97df-1104-43ed-b6bc-720b76a8ffc7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_47df97df-1104-43ed-b6bc-720b76a8ffc7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_47df97df-1104-43ed-b6bc-720b76a8ffc7/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 01c80fcdd0a0da14cc25a34188deb5573e4a4209 ...................................................................................................................................................................................................................................................................................................................................................................................... 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 11:16:29,455 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:16:29,456 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:16:29,463 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:16:29,463 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:16:29,464 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:16:29,465 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:16:29,466 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:16:29,467 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:16:29,468 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:16:29,468 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:16:29,468 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:16:29,469 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:16:29,470 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:16:29,471 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:16:29,472 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:16:29,472 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:16:29,473 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:16:29,475 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:16:29,476 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:16:29,477 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:16:29,478 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:16:29,480 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:16:29,480 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:16:29,480 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:16:29,481 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:16:29,481 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:16:29,482 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:16:29,483 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:16:29,484 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:16:29,484 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:16:29,484 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:16:29,485 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:16:29,485 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:16:29,485 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:16:29,485 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:16:29,486 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_47df97df-1104-43ed-b6bc-720b76a8ffc7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:16:29,495 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:16:29,495 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:16:29,496 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:16:29,496 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:16:29,496 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:16:29,497 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:16:29,497 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:16:29,497 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:16:29,497 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:16:29,497 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:16:29,497 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:16:29,497 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:16:29,497 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:16:29,498 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:16:29,498 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:16:29,498 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:16:29,498 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:16:29,498 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:16:29,498 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:16:29,498 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:16:29,498 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:16:29,499 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:16:29,499 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:16:29,499 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:16:29,499 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:16:29,499 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:16:29,499 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:16:29,499 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:16:29,499 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:16:29,499 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_47df97df-1104-43ed-b6bc-720b76a8ffc7/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 ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01c80fcdd0a0da14cc25a34188deb5573e4a4209 [2018-11-18 11:16:29,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:16:29,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:16:29,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:16:29,534 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:16:29,535 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:16:29,535 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_47df97df-1104-43ed-b6bc-720b76a8ffc7/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/apache-get-tag_true-unreach-call_true-termination.i [2018-11-18 11:16:29,569 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47df97df-1104-43ed-b6bc-720b76a8ffc7/bin-2019/ukojak/data/88bb52d7f/03ffd6b2240541f3bf06c25ca96968b3/FLAG613fbe28a [2018-11-18 11:16:29,981 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:16:29,981 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_47df97df-1104-43ed-b6bc-720b76a8ffc7/sv-benchmarks/c/loop-invgen/apache-get-tag_true-unreach-call_true-termination.i [2018-11-18 11:16:29,986 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47df97df-1104-43ed-b6bc-720b76a8ffc7/bin-2019/ukojak/data/88bb52d7f/03ffd6b2240541f3bf06c25ca96968b3/FLAG613fbe28a [2018-11-18 11:16:29,997 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_47df97df-1104-43ed-b6bc-720b76a8ffc7/bin-2019/ukojak/data/88bb52d7f/03ffd6b2240541f3bf06c25ca96968b3 [2018-11-18 11:16:30,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:16:30,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:16:30,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:16:30,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:16:30,004 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:16:30,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:16:29" (1/1) ... [2018-11-18 11:16:30,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78bb2e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30, skipping insertion in model container [2018-11-18 11:16:30,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:16:29" (1/1) ... [2018-11-18 11:16:30,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:16:30,032 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:16:30,141 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:16:30,143 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:16:30,156 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:16:30,165 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:16:30,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30 WrapperNode [2018-11-18 11:16:30,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:16:30,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:16:30,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:16:30,166 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:16:30,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:16:30,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:16:30,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:16:30,186 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:16:30,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:16:30,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:16:30,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:16:30,201 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:16:30,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:16:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47df97df-1104-43ed-b6bc-720b76a8ffc7/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 11:16:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:16:30,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:16:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 11:16:30,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 11:16:30,441 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:16:30,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:16:30 BoogieIcfgContainer [2018-11-18 11:16:30,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:16:30,442 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:16:30,442 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:16:30,450 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:16:30,451 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:16:30" (1/1) ... [2018-11-18 11:16:30,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:16:30,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2018-11-18 11:16:30,493 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2018-11-18 11:16:30,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:16:30,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:30,557 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 11:16:30,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:30,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2018-11-18 11:16:30,567 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2018-11-18 11:16:30,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 11:16:30,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:30,615 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 11:16:30,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:30,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 47 states and 89 transitions. [2018-11-18 11:16:30,721 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 89 transitions. [2018-11-18 11:16:30,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 11:16:30,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:30,737 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 11:16:30,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:30,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2018-11-18 11:16:30,755 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2018-11-18 11:16:30,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 11:16:30,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:30,769 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 11:16:30,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:30,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2018-11-18 11:16:30,790 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2018-11-18 11:16:30,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 11:16:30,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:30,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:16:31,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:31,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 50 states and 88 transitions. [2018-11-18 11:16:31,161 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2018-11-18 11:16:31,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 11:16:31,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:31,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:16:31,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:31,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 56 states and 96 transitions. [2018-11-18 11:16:31,212 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 96 transitions. [2018-11-18 11:16:31,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 11:16:31,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:31,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:16:31,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:31,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 58 states and 98 transitions. [2018-11-18 11:16:31,262 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2018-11-18 11:16:31,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 11:16:31,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:31,271 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:16:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:31,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 96 transitions. [2018-11-18 11:16:31,276 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2018-11-18 11:16:31,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 11:16:31,277 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:31,309 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:16:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:31,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 62 states and 103 transitions. [2018-11-18 11:16:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 103 transitions. [2018-11-18 11:16:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 11:16:31,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:31,419 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:16:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:31,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 55 states and 93 transitions. [2018-11-18 11:16:31,447 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2018-11-18 11:16:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:16:31,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:31,466 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:16:31,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:31,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 58 states and 101 transitions. [2018-11-18 11:16:31,487 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 101 transitions. [2018-11-18 11:16:31,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:16:31,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:31,504 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:16:31,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:31,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 59 states and 103 transitions. [2018-11-18 11:16:31,527 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2018-11-18 11:16:31,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:16:31,528 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:31,546 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:16:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:31,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 61 states and 106 transitions. [2018-11-18 11:16:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2018-11-18 11:16:31,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 11:16:31,575 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 11:16:31,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:31,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 62 states and 107 transitions. [2018-11-18 11:16:31,687 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 107 transitions. [2018-11-18 11:16:31,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 11:16:31,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:31,763 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 11:16:31,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 54 states and 95 transitions. [2018-11-18 11:16:31,930 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 95 transitions. [2018-11-18 11:16:31,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 11:16:31,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:31,947 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 11:16:32,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:32,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 61 states and 108 transitions. [2018-11-18 11:16:32,027 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 108 transitions. [2018-11-18 11:16:32,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 11:16:32,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:32,050 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 11:16:32,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:32,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 63 states and 111 transitions. [2018-11-18 11:16:32,082 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 111 transitions. [2018-11-18 11:16:32,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 11:16:32,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:32,099 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 11:16:32,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:32,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 66 states and 115 transitions. [2018-11-18 11:16:32,141 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 115 transitions. [2018-11-18 11:16:32,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 11:16:32,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:32,157 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:16:32,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:32,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 66 states and 113 transitions. [2018-11-18 11:16:32,201 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 113 transitions. [2018-11-18 11:16:32,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 11:16:32,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:32,218 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:16:32,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:32,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 55 states and 85 transitions. [2018-11-18 11:16:32,263 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2018-11-18 11:16:32,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 11:16:32,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:32,281 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 11:16:32,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 55 states and 84 transitions. [2018-11-18 11:16:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 84 transitions. [2018-11-18 11:16:32,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 11:16:32,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:32,395 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 11:16:32,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:32,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 55 states and 83 transitions. [2018-11-18 11:16:32,554 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2018-11-18 11:16:32,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 11:16:32,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 17 proven. 18 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 11:16:32,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:32,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 58 states and 88 transitions. [2018-11-18 11:16:32,681 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 88 transitions. [2018-11-18 11:16:32,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 11:16:32,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:16:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:16:32,743 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 11:16:32,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:16:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 39 states and 61 transitions. [2018-11-18 11:16:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2018-11-18 11:16:32,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:16:32,754 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2018-11-18 11:16:32,762 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:16:32,888 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:16:32,890 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:16:32,890 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:16:32,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:16:32 ImpRootNode [2018-11-18 11:16:32,891 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:16:32,891 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:16:32,891 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:16:32,891 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:16:32,891 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:16:30" (3/4) ... [2018-11-18 11:16:32,894 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:16:32,898 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-18 11:16:32,902 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 11:16:32,902 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:16:32,902 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:16:32,939 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_47df97df-1104-43ed-b6bc-720b76a8ffc7/bin-2019/ukojak/witness.graphml [2018-11-18 11:16:32,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:16:32,940 INFO L168 Benchmark]: Toolchain (without parser) took 2939.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.0 MB). Free memory was 958.1 MB in the beginning and 1.0 GB in the end (delta: -83.0 MB). Peak memory consumption was 123.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:16:32,941 INFO L168 Benchmark]: CDTParser took 0.10 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 11:16:32,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.94 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:16:32,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.21 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:16:32,942 INFO L168 Benchmark]: Boogie Preprocessor took 14.92 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:16:32,942 INFO L168 Benchmark]: RCFGBuilder took 240.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:16:32,943 INFO L168 Benchmark]: CodeCheck took 2448.89 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.7 MB). Peak memory consumption was 135.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:16:32,943 INFO L168 Benchmark]: Witness Printer took 48.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:16:32,945 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, 45 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 25 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 328081408 SDtfs, 81283208 SDslu, 56520316 SDs, 0 SdLazy, 518539184 SolverSat, 105635600 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6910 GetRequests, 6695 SyntacticMatches, 165 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1141 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 638 NumberOfCodeBlocks, 638 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 614 ConstructedInterpolants, 0 QuantifiedInterpolants, 46395 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 5 PerfectInterpolantSequences, 281/431 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: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 163.94 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 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 20.21 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.92 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 240.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * CodeCheck took 2448.89 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.7 MB). Peak memory consumption was 135.4 MB. Max. memory is 11.5 GB. * Witness Printer took 48.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...