./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5c1d579e-e047-477b-bfcf-079284c26405/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5c1d579e-e047-477b-bfcf-079284c26405/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5c1d579e-e047-477b-bfcf-079284c26405/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5c1d579e-e047-477b-bfcf-079284c26405/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5c1d579e-e047-477b-bfcf-079284c26405/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5c1d579e-e047-477b-bfcf-079284c26405/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c904d43a56f7d48de83a40717b42c35f909963a3 ...................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:44:30,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:30,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:30,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:30,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:30,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:30,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:30,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:30,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:30,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:30,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:30,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:30,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:30,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:30,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:30,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:30,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:30,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:30,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:30,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:30,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:30,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:30,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:30,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:30,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:30,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:30,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:30,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:30,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:30,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:30,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:30,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:30,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:30,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:30,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:30,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:30,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:30,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:30,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:30,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:30,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:30,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5c1d579e-e047-477b-bfcf-079284c26405/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:30,640 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:30,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:30,642 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:30,642 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:30,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:30,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:30,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:30,644 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:30,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:30,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:30,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:30,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:30,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:30,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:30,646 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:30,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:30,647 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:30,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:30,647 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:30,647 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:30,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:30,648 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:30,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:30,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:30,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:30,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:30,649 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:30,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:30,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:30,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_5c1d579e-e047-477b-bfcf-079284c26405/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5c1d579e-e047-477b-bfcf-079284c26405/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c904d43a56f7d48de83a40717b42c35f909963a3 [2020-11-28 04:44:30,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:30,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:30,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:30,926 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:30,927 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:30,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5c1d579e-e047-477b-bfcf-079284c26405/bin/ukojak/../../sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c [2020-11-28 04:44:31,025 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5c1d579e-e047-477b-bfcf-079284c26405/bin/ukojak/data/de5824919/16ef316a0ee64ec68df944e485037841/FLAG222c8f06d [2020-11-28 04:44:31,551 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:31,551 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5c1d579e-e047-477b-bfcf-079284c26405/sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c [2020-11-28 04:44:31,557 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5c1d579e-e047-477b-bfcf-079284c26405/bin/ukojak/data/de5824919/16ef316a0ee64ec68df944e485037841/FLAG222c8f06d [2020-11-28 04:44:31,956 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5c1d579e-e047-477b-bfcf-079284c26405/bin/ukojak/data/de5824919/16ef316a0ee64ec68df944e485037841 [2020-11-28 04:44:31,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:31,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:31,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:31,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:31,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:31,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:31" (1/1) ... [2020-11-28 04:44:31,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d489643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:31, skipping insertion in model container [2020-11-28 04:44:31,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:31" (1/1) ... [2020-11-28 04:44:31,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:31,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:32,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:32,176 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:32,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:32,218 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:32,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32 WrapperNode [2020-11-28 04:44:32,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:32,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:32,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:32,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:32,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:32,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:32,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:32,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:32,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:32,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:32,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:32,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:32,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:32,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:32,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:32,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:32,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:32,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:32,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:32,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:32,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:32,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5c1d579e-e047-477b-bfcf-079284c26405/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 [2020-11-28 04:44:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2020-11-28 04:44:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2020-11-28 04:44:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-11-28 04:44:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-11-28 04:44:32,622 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:32,622 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-28 04:44:32,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:32 BoogieIcfgContainer [2020-11-28 04:44:32,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:32,625 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:32,625 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:32,650 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:32,650 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:32,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:32,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:32,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2020-11-28 04:44:32,689 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2020-11-28 04:44:32,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:44:32,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:32,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:33,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:33,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 25 transitions. [2020-11-28 04:44:33,030 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2020-11-28 04:44:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 04:44:33,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:33,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:33,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:33,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 32 transitions. [2020-11-28 04:44:33,358 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-11-28 04:44:33,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:44:33,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:33,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:33,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 43 transitions. [2020-11-28 04:44:33,753 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2020-11-28 04:44:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:44:33,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:33,892 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:44:34,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:34,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 56 transitions. [2020-11-28 04:44:34,222 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2020-11-28 04:44:34,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:44:34,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:34,389 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:34,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:34,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 45 states and 71 transitions. [2020-11-28 04:44:34,749 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2020-11-28 04:44:34,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:44:34,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:35,515 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-28 04:44:38,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:38,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 64 states and 117 transitions. [2020-11-28 04:44:38,883 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2020-11-28 04:44:38,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:44:38,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:39,575 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-28 04:44:42,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:42,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 73 states and 83 transitions. [2020-11-28 04:44:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2020-11-28 04:44:42,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:44:42,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:42,561 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:44:43,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 49 states and 53 transitions. [2020-11-28 04:44:43,595 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2020-11-28 04:44:43,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:44:43,596 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2020-11-28 04:44:43,603 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:44:43,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:43 ImpRootNode [2020-11-28 04:44:43,789 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:43,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:43,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:43,790 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:43,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:32" (3/4) ... [2020-11-28 04:44:43,793 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:44:43,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2020-11-28 04:44:43,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2020-11-28 04:44:43,802 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:44:43,802 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 04:44:43,802 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:43,803 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:43,852 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5c1d579e-e047-477b-bfcf-079284c26405/bin/ukojak/witness.graphml [2020-11-28 04:44:43,852 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:43,857 INFO L168 Benchmark]: Toolchain (without parser) took 11893.54 ms. Allocated memory was 88.1 MB in the beginning and 188.7 MB in the end (delta: 100.7 MB). Free memory was 55.4 MB in the beginning and 116.5 MB in the end (delta: -61.0 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:43,861 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory was 61.0 MB in the beginning and 60.9 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:43,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.14 ms. Allocated memory is still 88.1 MB. Free memory was 55.2 MB in the beginning and 66.3 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:43,864 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.64 ms. Allocated memory is still 88.1 MB. Free memory was 66.3 MB in the beginning and 65.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:43,865 INFO L168 Benchmark]: Boogie Preprocessor took 20.35 ms. Allocated memory is still 88.1 MB. Free memory was 65.1 MB in the beginning and 64.2 MB in the end (delta: 827.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:43,866 INFO L168 Benchmark]: RCFGBuilder took 341.47 ms. Allocated memory is still 88.1 MB. Free memory was 63.9 MB in the beginning and 51.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:43,866 INFO L168 Benchmark]: CodeCheck took 11164.22 ms. Allocated memory was 88.1 MB in the beginning and 188.7 MB in the end (delta: 100.7 MB). Free memory was 51.0 MB in the beginning and 118.6 MB in the end (delta: -67.6 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:43,867 INFO L168 Benchmark]: Witness Printer took 62.75 ms. Allocated memory is still 188.7 MB. Free memory was 118.6 MB in the beginning and 116.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:43,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.9s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2584 SDtfs, 2648 SDslu, 4284 SDs, 0 SdLazy, 12444 SolverSat, 3020 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2777 GetRequests, 2523 SyntacticMatches, 96 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8856 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 240 NumberOfCodeBlocks, 240 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 22408 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 147/180 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: 4]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory was 61.0 MB in the beginning and 60.9 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 258.14 ms. Allocated memory is still 88.1 MB. Free memory was 55.2 MB in the beginning and 66.3 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.64 ms. Allocated memory is still 88.1 MB. Free memory was 66.3 MB in the beginning and 65.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.35 ms. Allocated memory is still 88.1 MB. Free memory was 65.1 MB in the beginning and 64.2 MB in the end (delta: 827.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 341.47 ms. Allocated memory is still 88.1 MB. Free memory was 63.9 MB in the beginning and 51.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 11164.22 ms. Allocated memory was 88.1 MB in the beginning and 188.7 MB in the end (delta: 100.7 MB). Free memory was 51.0 MB in the beginning and 118.6 MB in the end (delta: -67.6 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. * Witness Printer took 62.75 ms. Allocated memory is still 188.7 MB. Free memory was 118.6 MB in the beginning and 116.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...