./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i --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_365204ad-d26e-439d-a019-931378ec3d06/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_365204ad-d26e-439d-a019-931378ec3d06/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_365204ad-d26e-439d-a019-931378ec3d06/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_365204ad-d26e-439d-a019-931378ec3d06/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /tmp/vcloud-vcloud-master/worker/run_dir_365204ad-d26e-439d-a019-931378ec3d06/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_365204ad-d26e-439d-a019-931378ec3d06/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 dc63a805379d435830d30b53773a27b22aa93e78 .................................................................................................................................................................................................................................................................................................................... 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 04:42:00,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:00,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:00,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:00,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:00,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:00,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:00,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:00,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:00,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:00,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:00,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:00,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:00,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:00,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:00,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:00,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:00,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:00,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:00,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:00,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:00,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:00,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:00,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:00,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:00,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:00,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:00,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:00,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:00,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:00,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:00,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:00,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:00,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:00,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:00,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:00,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:00,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:00,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:00,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:00,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:00,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_365204ad-d26e-439d-a019-931378ec3d06/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:42:00,495 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:00,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:00,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:42:00,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:42:00,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:00,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:00,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:00,498 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:42:00,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:42:00,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:42:00,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:00,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:42:00,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:00,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:42:00,500 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:42:00,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:42:00,501 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:00,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:42:00,501 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:00,501 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:00,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:00,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:00,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:00,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:00,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:00,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:42:00,503 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:42:00,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:42:00,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:42:00,503 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_365204ad-d26e-439d-a019-931378ec3d06/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_365204ad-d26e-439d-a019-931378ec3d06/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc63a805379d435830d30b53773a27b22aa93e78 [2020-11-28 04:42:00,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:00,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:00,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:00,819 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:00,820 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:00,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_365204ad-d26e-439d-a019-931378ec3d06/bin/ukojak/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2020-11-28 04:42:00,894 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_365204ad-d26e-439d-a019-931378ec3d06/bin/ukojak/data/7baa041cc/f9fd479f7e554c1d9d8edbe8a33307a4/FLAGadcff1e74 [2020-11-28 04:42:01,356 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:01,357 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_365204ad-d26e-439d-a019-931378ec3d06/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2020-11-28 04:42:01,366 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_365204ad-d26e-439d-a019-931378ec3d06/bin/ukojak/data/7baa041cc/f9fd479f7e554c1d9d8edbe8a33307a4/FLAGadcff1e74 [2020-11-28 04:42:01,731 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_365204ad-d26e-439d-a019-931378ec3d06/bin/ukojak/data/7baa041cc/f9fd479f7e554c1d9d8edbe8a33307a4 [2020-11-28 04:42:01,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:01,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:01,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:01,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:01,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:01,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:01" (1/1) ... [2020-11-28 04:42:01,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe291db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:01, skipping insertion in model container [2020-11-28 04:42:01,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:01" (1/1) ... [2020-11-28 04:42:01,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:01,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:01,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:01,956 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:42:01,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:01,995 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:42:02,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:02 WrapperNode [2020-11-28 04:42:02,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:02,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:02,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:42:02,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:42:02,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:02" (1/1) ... [2020-11-28 04:42:02,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:02" (1/1) ... [2020-11-28 04:42:02,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:02,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:42:02,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:42:02,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:42:02,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:02" (1/1) ... [2020-11-28 04:42:02,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:02" (1/1) ... [2020-11-28 04:42:02,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:02" (1/1) ... [2020-11-28 04:42:02,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:02" (1/1) ... [2020-11-28 04:42:02,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:02" (1/1) ... [2020-11-28 04:42:02,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:02" (1/1) ... [2020-11-28 04:42:02,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:02" (1/1) ... [2020-11-28 04:42:02,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:42:02,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:42:02,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:42:02,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:42:02,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_365204ad-d26e-439d-a019-931378ec3d06/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 04:42:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:42:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:42:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:42:02,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:42:02,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:42:02,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:42:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-28 04:42:02,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-28 04:42:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:42:03,011 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:42:03,012 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-11-28 04:42:03,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:03 BoogieIcfgContainer [2020-11-28 04:42:03,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:42:03,015 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:42:03,015 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:42:03,026 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:42:03,027 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:03" (1/1) ... [2020-11-28 04:42:03,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:42:03,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2020-11-28 04:42:03,087 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2020-11-28 04:42:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:42:03,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:03,257 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 04:42:03,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:03,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2020-11-28 04:42:03,304 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2020-11-28 04:42:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:42:03,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:03,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:03,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2020-11-28 04:42:03,465 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2020-11-28 04:42:03,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:42:03,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:03,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:42:03,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 37 transitions. [2020-11-28 04:42:03,974 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2020-11-28 04:42:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:42:03,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:04,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:42:04,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:04,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 39 transitions. [2020-11-28 04:42:04,100 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2020-11-28 04:42:04,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 04:42:04,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:04,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:42:04,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:04,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 41 transitions. [2020-11-28 04:42:04,342 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2020-11-28 04:42:04,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:42:04,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:04,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:42:04,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:04,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 43 transitions. [2020-11-28 04:42:04,426 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2020-11-28 04:42:04,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:04,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:42:05,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:05,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 33 states and 54 transitions. [2020-11-28 04:42:05,039 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2020-11-28 04:42:05,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:42:05,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:05,127 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:42:05,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:05,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 56 transitions. [2020-11-28 04:42:05,336 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2020-11-28 04:42:05,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:42:05,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:05,394 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:42:05,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:05,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 38 states and 67 transitions. [2020-11-28 04:42:05,930 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2020-11-28 04:42:05,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:42:05,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:42:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:06,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 39 states and 68 transitions. [2020-11-28 04:42:06,027 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2020-11-28 04:42:06,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:42:06,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:06,082 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-28 04:42:06,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:06,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2020-11-28 04:42:06,120 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2020-11-28 04:42:06,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:42:06,121 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2020-11-28 04:42:06,127 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:42:06,271 INFO L569 CodeCheckObserver]: Invariant with dag size 6 [2020-11-28 04:42:06,281 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:42:06,281 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:42:06,282 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2020-11-28 04:42:06,284 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:42:06,285 INFO L569 CodeCheckObserver]: Invariant with dag size 6 [2020-11-28 04:42:06,288 INFO L569 CodeCheckObserver]: Invariant with dag size 6 [2020-11-28 04:42:06,288 INFO L569 CodeCheckObserver]: Invariant with dag size 6 [2020-11-28 04:42:06,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:42:06 ImpRootNode [2020-11-28 04:42:06,290 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:42:06,291 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:42:06,292 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:42:06,292 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:42:06,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:03" (3/4) ... [2020-11-28 04:42:06,297 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:42:06,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2020-11-28 04:42:06,323 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2020-11-28 04:42:06,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-11-28 04:42:06,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:42:06,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:42:06,364 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: n == 0 && \result == 0 [2020-11-28 04:42:06,423 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_365204ad-d26e-439d-a019-931378ec3d06/bin/ukojak/witness.graphml [2020-11-28 04:42:06,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:42:06,429 INFO L168 Benchmark]: Toolchain (without parser) took 4693.32 ms. Allocated memory was 98.6 MB in the beginning and 148.9 MB in the end (delta: 50.3 MB). Free memory was 45.1 MB in the beginning and 100.1 MB in the end (delta: -54.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:06,430 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 98.6 MB. Free memory is still 62.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:06,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.54 ms. Allocated memory is still 98.6 MB. Free memory was 45.0 MB in the beginning and 74.7 MB in the end (delta: -29.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:06,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.42 ms. Allocated memory is still 98.6 MB. Free memory was 74.7 MB in the beginning and 72.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:06,433 INFO L168 Benchmark]: Boogie Preprocessor took 27.34 ms. Allocated memory is still 98.6 MB. Free memory was 72.9 MB in the beginning and 71.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:06,433 INFO L168 Benchmark]: RCFGBuilder took 945.10 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 71.3 MB in the beginning and 94.0 MB in the end (delta: -22.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:06,434 INFO L168 Benchmark]: CodeCheck took 3275.76 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 94.0 MB in the beginning and 104.3 MB in the end (delta: -10.2 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:06,434 INFO L168 Benchmark]: Witness Printer took 135.78 ms. Allocated memory is still 148.9 MB. Free memory was 104.3 MB in the beginning and 100.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:06,437 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 2 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 12, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16864 SDtfs, 206 SDslu, 64 SDs, 0 SdLazy, 29180 SolverSat, 16614 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1558 GetRequests, 1495 SyntacticMatches, 5 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1173 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 6099 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 55/58 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: 12]: 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: 61]: Loop Invariant Derived loop invariant: n == 0 && x == 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: n == 0 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: n == 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (n == 0 && i == 0) && size == 0 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: n == 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: n == 0 && \result == 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: n == 0 && x == 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: n == 0 && x == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 98.6 MB. Free memory is still 62.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 265.54 ms. Allocated memory is still 98.6 MB. Free memory was 45.0 MB in the beginning and 74.7 MB in the end (delta: -29.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.42 ms. Allocated memory is still 98.6 MB. Free memory was 74.7 MB in the beginning and 72.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.34 ms. Allocated memory is still 98.6 MB. Free memory was 72.9 MB in the beginning and 71.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 945.10 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 71.3 MB in the beginning and 94.0 MB in the end (delta: -22.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * CodeCheck took 3275.76 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 94.0 MB in the beginning and 104.3 MB in the end (delta: -10.2 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * Witness Printer took 135.78 ms. Allocated memory is still 148.9 MB. Free memory was 104.3 MB in the beginning and 100.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...