./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_14307eaf-ac41-47a6-be37-630aa2844715/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_14307eaf-ac41-47a6-be37-630aa2844715/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_14307eaf-ac41-47a6-be37-630aa2844715/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_14307eaf-ac41-47a6-be37-630aa2844715/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_14307eaf-ac41-47a6-be37-630aa2844715/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_14307eaf-ac41-47a6-be37-630aa2844715/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 0.1.25-f470102 [2019-12-02 04:21:23,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 04:21:23,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 04:21:23,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 04:21:23,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 04:21:23,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 04:21:23,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 04:21:23,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 04:21:23,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 04:21:23,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 04:21:23,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 04:21:23,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 04:21:23,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 04:21:23,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 04:21:23,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 04:21:23,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 04:21:23,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 04:21:23,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 04:21:23,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 04:21:23,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 04:21:23,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 04:21:23,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 04:21:23,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 04:21:23,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 04:21:23,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 04:21:23,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 04:21:23,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 04:21:23,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 04:21:23,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 04:21:23,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 04:21:23,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 04:21:23,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 04:21:23,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 04:21:23,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 04:21:23,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 04:21:23,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 04:21:23,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 04:21:23,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 04:21:23,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 04:21:23,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 04:21:23,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 04:21:23,303 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_14307eaf-ac41-47a6-be37-630aa2844715/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 04:21:23,312 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 04:21:23,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 04:21:23,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 04:21:23,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 04:21:23,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 04:21:23,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 04:21:23,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 04:21:23,314 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 04:21:23,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 04:21:23,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 04:21:23,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 04:21:23,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 04:21:23,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 04:21:23,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 04:21:23,314 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 04:21:23,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 04:21:23,315 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 04:21:23,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 04:21:23,315 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 04:21:23,315 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 04:21:23,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 04:21:23,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 04:21:23,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 04:21:23,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 04:21:23,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 04:21:23,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 04:21:23,316 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 04:21:23,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 04:21:23,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 04:21:23,316 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/run_dir_14307eaf-ac41-47a6-be37-630aa2844715/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 [2019-12-02 04:21:23,413 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 04:21:23,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 04:21:23,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 04:21:23,424 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 04:21:23,424 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 04:21:23,425 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_14307eaf-ac41-47a6-be37-630aa2844715/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_5.c [2019-12-02 04:21:23,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_14307eaf-ac41-47a6-be37-630aa2844715/bin/ukojak/data/379ad8245/9ca6415523684962b33cfeb8fd73f4bd/FLAG61122c4e9 [2019-12-02 04:21:23,840 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 04:21:23,840 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_14307eaf-ac41-47a6-be37-630aa2844715/sv-benchmarks/c/locks/test_locks_5.c [2019-12-02 04:21:23,845 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_14307eaf-ac41-47a6-be37-630aa2844715/bin/ukojak/data/379ad8245/9ca6415523684962b33cfeb8fd73f4bd/FLAG61122c4e9 [2019-12-02 04:21:24,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_14307eaf-ac41-47a6-be37-630aa2844715/bin/ukojak/data/379ad8245/9ca6415523684962b33cfeb8fd73f4bd [2019-12-02 04:21:24,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 04:21:24,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 04:21:24,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 04:21:24,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 04:21:24,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 04:21:24,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:21:24" (1/1) ... [2019-12-02 04:21:24,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a9a3eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:24, skipping insertion in model container [2019-12-02 04:21:24,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:21:24" (1/1) ... [2019-12-02 04:21:24,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 04:21:24,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 04:21:24,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 04:21:24,390 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 04:21:24,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 04:21:24,446 INFO L208 MainTranslator]: Completed translation [2019-12-02 04:21:24,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:24 WrapperNode [2019-12-02 04:21:24,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 04:21:24,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 04:21:24,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 04:21:24,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 04:21:24,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:24" (1/1) ... [2019-12-02 04:21:24,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:24" (1/1) ... [2019-12-02 04:21:24,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 04:21:24,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 04:21:24,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 04:21:24,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 04:21:24,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:24" (1/1) ... [2019-12-02 04:21:24,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:24" (1/1) ... [2019-12-02 04:21:24,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:24" (1/1) ... [2019-12-02 04:21:24,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:24" (1/1) ... [2019-12-02 04:21:24,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:24" (1/1) ... [2019-12-02 04:21:24,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:24" (1/1) ... [2019-12-02 04:21:24,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:24" (1/1) ... [2019-12-02 04:21:24,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 04:21:24,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 04:21:24,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 04:21:24,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 04:21:24,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:21:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14307eaf-ac41-47a6-be37-630aa2844715/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 [2019-12-02 04:21:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 04:21:24,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 04:21:24,719 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 04:21:24,720 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-02 04:21:24,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:21:24 BoogieIcfgContainer [2019-12-02 04:21:24,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 04:21:24,721 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 04:21:24,721 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 04:21:24,728 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 04:21:24,729 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:21:24" (1/1) ... [2019-12-02 04:21:24,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 04:21:24,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:21:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2019-12-02 04:21:24,759 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2019-12-02 04:21:24,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-02 04:21:24,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:21:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:21:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:21:24,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:21:24,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2019-12-02 04:21:24,900 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2019-12-02 04:21:24,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 04:21:24,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:21:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:21:24,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:21:25,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:21:25,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2019-12-02 04:21:25,029 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2019-12-02 04:21:25,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 04:21:25,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:21:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:21:25,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:21:25,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:21:25,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2019-12-02 04:21:25,104 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2019-12-02 04:21:25,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 04:21:25,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:21:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:21:25,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:21:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:21:25,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2019-12-02 04:21:25,326 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2019-12-02 04:21:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 04:21:25,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:21:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:21:25,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:21:25,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:21:25,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2019-12-02 04:21:25,423 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2019-12-02 04:21:25,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 04:21:25,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:21:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:21:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:21:25,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:21:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2019-12-02 04:21:25,826 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2019-12-02 04:21:25,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 04:21:25,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:21:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:21:25,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:21:25,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:21:25,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2019-12-02 04:21:25,926 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2019-12-02 04:21:25,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 04:21:25,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:21:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:21:25,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:21:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:21:26,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2019-12-02 04:21:26,049 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2019-12-02 04:21:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 04:21:26,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:21:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:21:26,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:21:26,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:21:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2019-12-02 04:21:26,139 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2019-12-02 04:21:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 04:21:26,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:21:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:21:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:21:26,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:21:26,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2019-12-02 04:21:26,772 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2019-12-02 04:21:26,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 04:21:26,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:21:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:21:26,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:21:26,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:21:26,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2019-12-02 04:21:26,897 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2019-12-02 04:21:26,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 04:21:26,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:21:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:21:26,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:21:27,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:21:27,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2019-12-02 04:21:27,059 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2019-12-02 04:21:27,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 04:21:27,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:21:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:21:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:21:27,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:21:27,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2019-12-02 04:21:27,186 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2019-12-02 04:21:27,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 04:21:27,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:21:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:21:27,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:21:27,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:21:27,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2019-12-02 04:21:27,313 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2019-12-02 04:21:27,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 04:21:27,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:21:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:21:27,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:21:27,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:21:27,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2019-12-02 04:21:27,461 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2019-12-02 04:21:27,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 04:21:27,462 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2019-12-02 04:21:27,468 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 04:21:27,537 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:21:27,540 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:21:27,541 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:21:27,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 04:21:27 ImpRootNode [2019-12-02 04:21:27,541 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 04:21:27,542 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 04:21:27,542 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 04:21:27,542 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 04:21:27,543 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:21:24" (3/4) ... [2019-12-02 04:21:27,545 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 04:21:27,551 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-02 04:21:27,552 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-02 04:21:27,552 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 04:21:27,589 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_14307eaf-ac41-47a6-be37-630aa2844715/bin/ukojak/witness.graphml [2019-12-02 04:21:27,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 04:21:27,591 INFO L168 Benchmark]: Toolchain (without parser) took 3337.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 940.9 MB in the beginning and 1.0 GB in the end (delta: -60.1 MB). Peak memory consumption was 83.5 MB. Max. memory is 11.5 GB. [2019-12-02 04:21:27,591 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 04:21:27,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-02 04:21:27,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 04:21:27,592 INFO L168 Benchmark]: Boogie Preprocessor took 13.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2019-12-02 04:21:27,592 INFO L168 Benchmark]: RCFGBuilder took 233.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-12-02 04:21:27,593 INFO L168 Benchmark]: CodeCheck took 2819.94 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 44.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.8 MB). Peak memory consumption was 100.9 MB. Max. memory is 11.5 GB. [2019-12-02 04:21:27,593 INFO L168 Benchmark]: Witness Printer took 47.56 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-12-02 04:21:27,594 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: 2.7s, 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, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1247 GetRequests, 1147 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3906 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 233.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * CodeCheck took 2819.94 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 44.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.8 MB). Peak memory consumption was 100.9 MB. Max. memory is 11.5 GB. * Witness Printer took 47.56 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...