./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9c9b1c3f-51fe-43e4-950f-505a056d794c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c9b1c3f-51fe-43e4-950f-505a056d794c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c9b1c3f-51fe-43e4-950f-505a056d794c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c9b1c3f-51fe-43e4-950f-505a056d794c/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_9c9b1c3f-51fe-43e4-950f-505a056d794c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c9b1c3f-51fe-43e4-950f-505a056d794c/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-a4ecdab [2020-11-29 20:42:59,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:42:59,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:42:59,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:42:59,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:42:59,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:42:59,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:42:59,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:42:59,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:42:59,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:42:59,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:42:59,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:42:59,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:42:59,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:42:59,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:42:59,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:42:59,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:42:59,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:42:59,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:42:59,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:42:59,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:42:59,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:42:59,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:42:59,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:42:59,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:42:59,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:42:59,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:42:59,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:42:59,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:42:59,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:42:59,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:42:59,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:42:59,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:42:59,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:42:59,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:42:59,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:42:59,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:42:59,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:42:59,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:42:59,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:42:59,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:42:59,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c9b1c3f-51fe-43e4-950f-505a056d794c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 20:42:59,922 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:42:59,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:42:59,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:42:59,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:42:59,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:42:59,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:42:59,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:42:59,926 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:42:59,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:42:59,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:42:59,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:42:59,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:42:59,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:42:59,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:42:59,928 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:42:59,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:42:59,929 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:42:59,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:42:59,929 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:42:59,929 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:42:59,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:42:59,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:42:59,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:42:59,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:42:59,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:42:59,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:42:59,931 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:42:59,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:42:59,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:42:59,932 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_9c9b1c3f-51fe-43e4-950f-505a056d794c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9c9b1c3f-51fe-43e4-950f-505a056d794c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef4d0bf6c3c7f70a960b0b2ed556bbb6c40d8116 [2020-11-29 20:43:00,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:43:00,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:43:00,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:43:00,258 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:43:00,259 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:43:00,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c9b1c3f-51fe-43e4-950f-505a056d794c/bin/ukojak/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2020-11-29 20:43:00,324 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c9b1c3f-51fe-43e4-950f-505a056d794c/bin/ukojak/data/495de2507/59d3cbdd116c4e3687a9138493bb59bd/FLAG724145f35 [2020-11-29 20:43:00,781 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:43:00,781 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c9b1c3f-51fe-43e4-950f-505a056d794c/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2020-11-29 20:43:00,788 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c9b1c3f-51fe-43e4-950f-505a056d794c/bin/ukojak/data/495de2507/59d3cbdd116c4e3687a9138493bb59bd/FLAG724145f35 [2020-11-29 20:43:01,151 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c9b1c3f-51fe-43e4-950f-505a056d794c/bin/ukojak/data/495de2507/59d3cbdd116c4e3687a9138493bb59bd [2020-11-29 20:43:01,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:43:01,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:43:01,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:43:01,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:43:01,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:43:01,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:43:01" (1/1) ... [2020-11-29 20:43:01,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df24714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:43:01, skipping insertion in model container [2020-11-29 20:43:01,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:43:01" (1/1) ... [2020-11-29 20:43:01,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:43:01,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:43:01,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:43:01,434 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:43:01,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:43:01,481 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:43:01,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:43:01 WrapperNode [2020-11-29 20:43:01,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:43:01,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:43:01,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:43:01,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:43:01,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:43:01" (1/1) ... [2020-11-29 20:43:01,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:43:01" (1/1) ... [2020-11-29 20:43:01,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:43:01,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:43:01,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:43:01,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:43:01,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:43:01" (1/1) ... [2020-11-29 20:43:01,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:43:01" (1/1) ... [2020-11-29 20:43:01,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:43:01" (1/1) ... [2020-11-29 20:43:01,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:43:01" (1/1) ... [2020-11-29 20:43:01,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:43:01" (1/1) ... [2020-11-29 20:43:01,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:43:01" (1/1) ... [2020-11-29 20:43:01,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:43:01" (1/1) ... [2020-11-29 20:43:01,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:43:01,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:43:01,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:43:01,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:43:01,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:43:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c9b1c3f-51fe-43e4-950f-505a056d794c/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 [2020-11-29 20:43:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 20:43:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-29 20:43:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-11-29 20:43:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:43:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 20:43:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:43:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 20:43:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 20:43:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-11-29 20:43:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-11-29 20:43:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:43:01,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:43:02,253 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:43:02,254 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-29 20:43:02,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:43:02 BoogieIcfgContainer [2020-11-29 20:43:02,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:43:02,257 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 20:43:02,257 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 20:43:02,267 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 20:43:02,268 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:43:02" (1/1) ... [2020-11-29 20:43:02,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:43:02,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:43:02,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2020-11-29 20:43:02,321 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2020-11-29 20:43:02,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 20:43:02,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:43:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:43:02,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:43:02,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:43:02,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2020-11-29 20:43:02,589 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2020-11-29 20:43:02,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 20:43:02,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:43:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:43:02,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 20:43:02,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:43:02,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2020-11-29 20:43:02,834 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2020-11-29 20:43:02,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 20:43:02,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:43:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:43:02,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 20:43:03,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:43:03,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2020-11-29 20:43:03,036 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2020-11-29 20:43:03,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 20:43:03,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:43:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:43:03,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 20:43:03,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:43:03,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2020-11-29 20:43:03,175 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2020-11-29 20:43:03,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 20:43:03,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:43:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:43:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 20:43:03,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:43:03,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 27 transitions. [2020-11-29 20:43:03,382 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2020-11-29 20:43:03,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:43:03,383 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-11-29 20:43:03,394 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 20:43:03,438 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:43:03,443 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 20:43:03,451 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:43:03,452 INFO L569 CodeCheckObserver]: Invariant with dag size 4 [2020-11-29 20:43:03,453 INFO L569 CodeCheckObserver]: Invariant with dag size 4 [2020-11-29 20:43:03,454 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:43:03,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 08:43:03 ImpRootNode [2020-11-29 20:43:03,455 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 20:43:03,456 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:43:03,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:43:03,457 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:43:03,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:43:02" (3/4) ... [2020-11-29 20:43:03,461 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:43:03,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2020-11-29 20:43:03,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2020-11-29 20:43:03,488 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-11-29 20:43:03,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-29 20:43:03,500 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:43:03,500 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:43:03,573 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9c9b1c3f-51fe-43e4-950f-505a056d794c/bin/ukojak/witness.graphml [2020-11-29 20:43:03,573 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:43:03,575 INFO L168 Benchmark]: Toolchain (without parser) took 2418.66 ms. Allocated memory was 77.6 MB in the beginning and 130.0 MB in the end (delta: 52.4 MB). Free memory was 43.6 MB in the beginning and 81.3 MB in the end (delta: -37.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:43:03,576 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 77.6 MB. Free memory is still 59.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:43:03,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.83 ms. Allocated memory was 77.6 MB in the beginning and 102.8 MB in the end (delta: 25.2 MB). Free memory was 43.4 MB in the beginning and 77.6 MB in the end (delta: -34.3 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:43:03,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.16 ms. Allocated memory is still 102.8 MB. Free memory was 77.6 MB in the beginning and 76.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:43:03,577 INFO L168 Benchmark]: Boogie Preprocessor took 30.12 ms. Allocated memory is still 102.8 MB. Free memory was 76.0 MB in the beginning and 74.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:43:03,578 INFO L168 Benchmark]: RCFGBuilder took 695.83 ms. Allocated memory is still 102.8 MB. Free memory was 74.6 MB in the beginning and 71.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. [2020-11-29 20:43:03,579 INFO L168 Benchmark]: CodeCheck took 1197.68 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 71.4 MB in the beginning and 84.7 MB in the end (delta: -13.3 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:43:03,587 INFO L168 Benchmark]: Witness Printer took 116.80 ms. Allocated memory is still 130.0 MB. Free memory was 84.7 MB in the beginning and 81.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:43:03,590 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: 1.0s, 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, 0.2s 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, 0.2s 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 0.27 ms. Allocated memory is still 77.6 MB. Free memory is still 59.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 325.83 ms. Allocated memory was 77.6 MB in the beginning and 102.8 MB in the end (delta: 25.2 MB). Free memory was 43.4 MB in the beginning and 77.6 MB in the end (delta: -34.3 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.16 ms. Allocated memory is still 102.8 MB. Free memory was 77.6 MB in the beginning and 76.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.12 ms. Allocated memory is still 102.8 MB. Free memory was 76.0 MB in the beginning and 74.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 695.83 ms. Allocated memory is still 102.8 MB. Free memory was 74.6 MB in the beginning and 71.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. * CodeCheck took 1197.68 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 71.4 MB in the beginning and 84.7 MB in the end (delta: -13.3 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. * Witness Printer took 116.80 ms. Allocated memory is still 130.0 MB. Free memory was 84.7 MB in the beginning and 81.3 MB in the end (delta: 3.4 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...