./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f6fe60ce-69fa-407b-9597-ff05c76b1ac9/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f6fe60ce-69fa-407b-9597-ff05c76b1ac9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f6fe60ce-69fa-407b-9597-ff05c76b1ac9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f6fe60ce-69fa-407b-9597-ff05c76b1ac9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f6fe60ce-69fa-407b-9597-ff05c76b1ac9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f6fe60ce-69fa-407b-9597-ff05c76b1ac9/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 ef4d0bf6c3c7f70a960b0b2ed556bbb6c40d8116 ....................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:18:20,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:18:20,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:18:20,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:18:20,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:18:20,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:18:20,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:18:20,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:18:20,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:18:20,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:18:20,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:18:20,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:18:20,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:18:20,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:18:20,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:18:20,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:18:20,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:18:20,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:18:20,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:18:20,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:18:20,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:18:20,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:18:20,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:18:20,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:18:20,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:18:20,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:18:20,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:18:20,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:18:20,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:18:20,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:18:20,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:18:20,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:18:20,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:18:20,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:18:20,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:18:20,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:18:20,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:18:20,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:18:20,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:18:20,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:18:20,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:18:20,812 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f6fe60ce-69fa-407b-9597-ff05c76b1ac9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:18:20,859 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:18:20,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:18:20,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:18:20,861 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:18:20,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:18:20,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:18:20,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:18:20,863 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:18:20,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:18:20,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:18:20,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:18:20,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:18:20,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:18:20,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:18:20,864 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:18:20,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:18:20,865 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:18:20,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:18:20,865 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:18:20,865 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:18:20,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:18:20,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:18:20,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:18:20,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:18:20,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:18:20,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:18:20,867 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:18:20,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:18:20,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:18:20,868 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_f6fe60ce-69fa-407b-9597-ff05c76b1ac9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f6fe60ce-69fa-407b-9597-ff05c76b1ac9/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef4d0bf6c3c7f70a960b0b2ed556bbb6c40d8116 [2020-12-01 16:18:21,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:18:21,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:18:21,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:18:21,143 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:18:21,144 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:18:21,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f6fe60ce-69fa-407b-9597-ff05c76b1ac9/bin/ukojak/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2020-12-01 16:18:21,230 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f6fe60ce-69fa-407b-9597-ff05c76b1ac9/bin/ukojak/data/997c4cb94/8cfeaafb8e8349c6955f29bec0edab7a/FLAG3097b548d [2020-12-01 16:18:21,656 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:18:21,656 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f6fe60ce-69fa-407b-9597-ff05c76b1ac9/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2020-12-01 16:18:21,668 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f6fe60ce-69fa-407b-9597-ff05c76b1ac9/bin/ukojak/data/997c4cb94/8cfeaafb8e8349c6955f29bec0edab7a/FLAG3097b548d [2020-12-01 16:18:22,034 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f6fe60ce-69fa-407b-9597-ff05c76b1ac9/bin/ukojak/data/997c4cb94/8cfeaafb8e8349c6955f29bec0edab7a [2020-12-01 16:18:22,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:18:22,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:18:22,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:18:22,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:18:22,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:18:22,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:18:22" (1/1) ... [2020-12-01 16:18:22,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bfe601f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:18:22, skipping insertion in model container [2020-12-01 16:18:22,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:18:22" (1/1) ... [2020-12-01 16:18:22,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:18:22,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:18:22,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:18:22,402 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:18:22,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:18:22,448 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:18:22,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:18:22 WrapperNode [2020-12-01 16:18:22,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:18:22,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:18:22,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:18:22,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:18:22,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:18:22" (1/1) ... [2020-12-01 16:18:22,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:18:22" (1/1) ... [2020-12-01 16:18:22,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:18:22,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:18:22,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:18:22,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:18:22,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:18:22" (1/1) ... [2020-12-01 16:18:22,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:18:22" (1/1) ... [2020-12-01 16:18:22,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:18:22" (1/1) ... [2020-12-01 16:18:22,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:18:22" (1/1) ... [2020-12-01 16:18:22,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:18:22" (1/1) ... [2020-12-01 16:18:22,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:18:22" (1/1) ... [2020-12-01 16:18:22,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:18:22" (1/1) ... [2020-12-01 16:18:22,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:18:22,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:18:22,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:18:22,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:18:22,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:18:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f6fe60ce-69fa-407b-9597-ff05c76b1ac9/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 [2020-12-01 16:18:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 16:18:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-12-01 16:18:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-12-01 16:18:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:18:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 16:18:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:18:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:18:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 16:18:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-12-01 16:18:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-12-01 16:18:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:18:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:18:23,258 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:18:23,258 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-12-01 16:18:23,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:18:23 BoogieIcfgContainer [2020-12-01 16:18:23,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:18:23,262 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:18:23,262 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:18:23,272 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:18:23,272 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:18:23" (1/1) ... [2020-12-01 16:18:23,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:18:23,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2020-12-01 16:18:23,325 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2020-12-01 16:18:23,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:18:23,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:23,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:18:23,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:23,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2020-12-01 16:18:23,629 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2020-12-01 16:18:23,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:18:23,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:18:23,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:23,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2020-12-01 16:18:23,809 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2020-12-01 16:18:23,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:18:23,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:23,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:18:23,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:23,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2020-12-01 16:18:23,952 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2020-12-01 16:18:23,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:18:23,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:24,021 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:18:24,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:24,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2020-12-01 16:18:24,040 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2020-12-01 16:18:24,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:18:24,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:18:24,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:24,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 27 transitions. [2020-12-01 16:18:24,274 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2020-12-01 16:18:24,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:18:24,275 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-12-01 16:18:24,282 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:18:24,362 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:18:24,366 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 16:18:24,371 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:18:24,372 INFO L569 CodeCheckObserver]: Invariant with dag size 4 [2020-12-01 16:18:24,373 INFO L569 CodeCheckObserver]: Invariant with dag size 4 [2020-12-01 16:18:24,373 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:18:24,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:18:24 ImpRootNode [2020-12-01 16:18:24,388 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:18:24,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:18:24,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:18:24,389 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:18:24,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:18:23" (3/4) ... [2020-12-01 16:18:24,392 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:18:24,397 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2020-12-01 16:18:24,397 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2020-12-01 16:18:24,403 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-12-01 16:18:24,403 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 16:18:24,403 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:18:24,420 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:18:24,534 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f6fe60ce-69fa-407b-9597-ff05c76b1ac9/bin/ukojak/witness.graphml [2020-12-01 16:18:24,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:18:24,539 INFO L168 Benchmark]: Toolchain (without parser) took 2497.31 ms. Allocated memory was 81.8 MB in the beginning and 100.7 MB in the end (delta: 18.9 MB). Free memory was 50.8 MB in the beginning and 68.7 MB in the end (delta: -17.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:18:24,539 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 41.3 MB in the beginning and 41.3 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:18:24,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.05 ms. Allocated memory is still 81.8 MB. Free memory was 50.7 MB in the beginning and 58.8 MB in the end (delta: -8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:18:24,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.11 ms. Allocated memory is still 81.8 MB. Free memory was 58.8 MB in the beginning and 57.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:18:24,541 INFO L168 Benchmark]: Boogie Preprocessor took 30.46 ms. Allocated memory is still 81.8 MB. Free memory was 57.0 MB in the beginning and 55.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:18:24,541 INFO L168 Benchmark]: RCFGBuilder took 735.97 ms. Allocated memory was 81.8 MB in the beginning and 100.7 MB in the end (delta: 18.9 MB). Free memory was 55.6 MB in the beginning and 77.8 MB in the end (delta: -22.2 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:18:24,542 INFO L168 Benchmark]: CodeCheck took 1126.00 ms. Allocated memory is still 100.7 MB. Free memory was 77.3 MB in the beginning and 72.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:18:24,542 INFO L168 Benchmark]: Witness Printer took 148.24 ms. Allocated memory is still 100.7 MB. Free memory was 72.2 MB in the beginning and 68.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:18:24,545 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, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.9s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 500 SDtfs, 88 SDslu, 112 SDs, 0 SdLazy, 378 SolverSat, 202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 697 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 3301 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 22/22 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: 3]: 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: 72]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: used_tmp_slot == 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: !(kzalloc(sizeof(struct bus_info), 0) == 0) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: !(bus_info_ptr1 == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 41.3 MB in the beginning and 41.3 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 404.05 ms. Allocated memory is still 81.8 MB. Free memory was 50.7 MB in the beginning and 58.8 MB in the end (delta: -8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.11 ms. Allocated memory is still 81.8 MB. Free memory was 58.8 MB in the beginning and 57.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.46 ms. Allocated memory is still 81.8 MB. Free memory was 57.0 MB in the beginning and 55.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 735.97 ms. Allocated memory was 81.8 MB in the beginning and 100.7 MB in the end (delta: 18.9 MB). Free memory was 55.6 MB in the beginning and 77.8 MB in the end (delta: -22.2 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. * CodeCheck took 1126.00 ms. Allocated memory is still 100.7 MB. Free memory was 77.3 MB in the beginning and 72.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * Witness Printer took 148.24 ms. Allocated memory is still 100.7 MB. Free memory was 72.2 MB in the beginning and 68.7 MB in the end (delta: 3.5 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...