./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8242a980-da3e-42f4-8145-3309b1a2c6c0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8242a980-da3e-42f4-8145-3309b1a2c6c0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8242a980-da3e-42f4-8145-3309b1a2c6c0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8242a980-da3e-42f4-8145-3309b1a2c6c0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_5.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8242a980-da3e-42f4-8145-3309b1a2c6c0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8242a980-da3e-42f4-8145-3309b1a2c6c0/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f33d015f37d4475f0ca85a8ea6311ffc3e89abb ................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:17:39,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:17:39,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:17:39,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:17:39,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:17:39,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:17:39,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:17:39,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:17:39,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:17:39,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:17:39,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:17:39,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:17:39,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:17:39,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:17:39,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:17:39,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:17:39,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:17:39,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:17:39,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:17:39,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:17:39,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:17:39,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:17:39,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:17:39,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:17:39,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:17:39,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:17:39,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:17:39,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:17:39,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:17:39,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:17:39,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:17:39,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:17:39,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:17:39,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:17:39,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:17:39,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:17:39,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:17:39,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:17:39,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:17:39,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:17:39,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:17:39,559 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8242a980-da3e-42f4-8145-3309b1a2c6c0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:17:39,569 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:17:39,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:17:39,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:17:39,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:17:39,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:17:39,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:17:39,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:17:39,571 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:17:39,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:17:39,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:17:39,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:17:39,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:17:39,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:17:39,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:17:39,572 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:17:39,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:17:39,573 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:17:39,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:17:39,573 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:17:39,573 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:17:39,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:17:39,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:17:39,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:17:39,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:17:39,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:17:39,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:17:39,574 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:17:39,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:17:39,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:17:39,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_8242a980-da3e-42f4-8145-3309b1a2c6c0/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f33d015f37d4475f0ca85a8ea6311ffc3e89abb [2019-10-22 10:17:39,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:17:39,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:17:39,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:17:39,613 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:17:39,613 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:17:39,614 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8242a980-da3e-42f4-8145-3309b1a2c6c0/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_5.c [2019-10-22 10:17:39,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8242a980-da3e-42f4-8145-3309b1a2c6c0/bin/ukojak/data/093444651/c5702ad4f69e4594a2373a5711e1b860/FLAG7bfff9ae7 [2019-10-22 10:17:40,014 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:17:40,014 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8242a980-da3e-42f4-8145-3309b1a2c6c0/sv-benchmarks/c/locks/test_locks_5.c [2019-10-22 10:17:40,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8242a980-da3e-42f4-8145-3309b1a2c6c0/bin/ukojak/data/093444651/c5702ad4f69e4594a2373a5711e1b860/FLAG7bfff9ae7 [2019-10-22 10:17:40,035 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8242a980-da3e-42f4-8145-3309b1a2c6c0/bin/ukojak/data/093444651/c5702ad4f69e4594a2373a5711e1b860 [2019-10-22 10:17:40,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:17:40,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:17:40,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:40,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:17:40,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:17:40,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:40" (1/1) ... [2019-10-22 10:17:40,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141dc806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:40, skipping insertion in model container [2019-10-22 10:17:40,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:40" (1/1) ... [2019-10-22 10:17:40,053 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:17:40,068 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:17:40,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:40,205 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:17:40,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:40,286 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:17:40,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:40 WrapperNode [2019-10-22 10:17:40,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:40,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:40,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:17:40,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:17:40,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:40" (1/1) ... [2019-10-22 10:17:40,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:40" (1/1) ... [2019-10-22 10:17:40,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:40,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:17:40,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:17:40,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:17:40,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:40" (1/1) ... [2019-10-22 10:17:40,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:40" (1/1) ... [2019-10-22 10:17:40,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:40" (1/1) ... [2019-10-22 10:17:40,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:40" (1/1) ... [2019-10-22 10:17:40,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:40" (1/1) ... [2019-10-22 10:17:40,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:40" (1/1) ... [2019-10-22 10:17:40,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:40" (1/1) ... [2019-10-22 10:17:40,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:17:40,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:17:40,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:17:40,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:17:40,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8242a980-da3e-42f4-8145-3309b1a2c6c0/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:17:40,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:17:40,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:17:40,680 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:17:40,680 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 10:17:40,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:40 BoogieIcfgContainer [2019-10-22 10:17:40,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:17:40,682 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:17:40,682 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:17:40,701 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:17:40,701 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:40" (1/1) ... [2019-10-22 10:17:40,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:17:40,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:40,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2019-10-22 10:17:40,785 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2019-10-22 10:17:40,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:17:40,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:41,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:41,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2019-10-22 10:17:41,045 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2019-10-22 10:17:41,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:17:41,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:41,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:41,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:41,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2019-10-22 10:17:41,263 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2019-10-22 10:17:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:17:41,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:41,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:41,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2019-10-22 10:17:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2019-10-22 10:17:41,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:17:41,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:41,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:41,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:41,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2019-10-22 10:17:41,743 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2019-10-22 10:17:41,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:17:41,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:41,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:41,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2019-10-22 10:17:41,886 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2019-10-22 10:17:41,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:17:41,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:42,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:42,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2019-10-22 10:17:42,539 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2019-10-22 10:17:42,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:17:42,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:42,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:42,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:42,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2019-10-22 10:17:42,679 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2019-10-22 10:17:42,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:17:42,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:42,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:42,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:42,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2019-10-22 10:17:42,844 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2019-10-22 10:17:42,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:17:42,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:42,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:42,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2019-10-22 10:17:42,960 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2019-10-22 10:17:42,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:17:42,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:43,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:43,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2019-10-22 10:17:43,703 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2019-10-22 10:17:43,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:17:43,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:43,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:43,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2019-10-22 10:17:43,874 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2019-10-22 10:17:43,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:17:43,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:44,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:44,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2019-10-22 10:17:44,037 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2019-10-22 10:17:44,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:17:44,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:44,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:44,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:44,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2019-10-22 10:17:44,198 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2019-10-22 10:17:44,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:17:44,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:44,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:44,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:44,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2019-10-22 10:17:44,328 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2019-10-22 10:17:44,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:17:44,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:44,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:44,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:44,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2019-10-22 10:17:44,484 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2019-10-22 10:17:44,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:17:44,485 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2019-10-22 10:17:44,493 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:17:44,567 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:44,570 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:44,570 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:44,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:17:44 ImpRootNode [2019-10-22 10:17:44,570 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:17:44,571 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:17:44,571 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:17:44,571 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:17:44,571 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:40" (3/4) ... [2019-10-22 10:17:44,574 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:17:44,583 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-10-22 10:17:44,584 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 10:17:44,584 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:17:44,624 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8242a980-da3e-42f4-8145-3309b1a2c6c0/bin/ukojak/witness.graphml [2019-10-22 10:17:44,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:17:44,626 INFO L168 Benchmark]: Toolchain (without parser) took 4587.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 941.8 MB in the beginning and 1.0 GB in the end (delta: -90.3 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:44,627 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:44,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -196.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:44,627 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:44,628 INFO L168 Benchmark]: Boogie Preprocessor took 19.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:44,628 INFO L168 Benchmark]: RCFGBuilder took 342.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:44,629 INFO L168 Benchmark]: CodeCheck took 3888.89 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.0 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:44,629 INFO L168 Benchmark]: Witness Printer took 54.12 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:44,631 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Result: SAFE, OverallTime: 3.7s, OverallIterations: 16, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 180224 SDtfs, 116700 SDslu, 0 SDs, 0 SdLazy, 572728 SolverSat, 212700 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1247 GetRequests, 1147 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3906 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 4775 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 91]: 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: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 247.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -196.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 342.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * CodeCheck took 3888.89 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.0 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. * Witness Printer took 54.12 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...