./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_934a3966-c065-4aaa-a9ae-93e47552cbe0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_934a3966-c065-4aaa-a9ae-93e47552cbe0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_934a3966-c065-4aaa-a9ae-93e47552cbe0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_934a3966-c065-4aaa-a9ae-93e47552cbe0/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_934a3966-c065-4aaa-a9ae-93e47552cbe0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_934a3966-c065-4aaa-a9ae-93e47552cbe0/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3296e44e2ada4db375cf31b8823cddd76a460f7b .............................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 21:23:56,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 21:23:56,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 21:23:56,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 21:23:56,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 21:23:56,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 21:23:56,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 21:23:56,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 21:23:56,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 21:23:56,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 21:23:56,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 21:23:56,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 21:23:56,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 21:23:56,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 21:23:56,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 21:23:56,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 21:23:56,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 21:23:56,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 21:23:56,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 21:23:56,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 21:23:56,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 21:23:56,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 21:23:56,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 21:23:56,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 21:23:56,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 21:23:56,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 21:23:56,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 21:23:56,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 21:23:56,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 21:23:56,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 21:23:56,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 21:23:56,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 21:23:56,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 21:23:56,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 21:23:56,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 21:23:56,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 21:23:56,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 21:23:56,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 21:23:56,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 21:23:56,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 21:23:56,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 21:23:56,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_934a3966-c065-4aaa-a9ae-93e47552cbe0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 21:23:56,370 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 21:23:56,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 21:23:56,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 21:23:56,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 21:23:56,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 21:23:56,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 21:23:56,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 21:23:56,372 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 21:23:56,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 21:23:56,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 21:23:56,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 21:23:56,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 21:23:56,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 21:23:56,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 21:23:56,373 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 21:23:56,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 21:23:56,373 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 21:23:56,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 21:23:56,373 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 21:23:56,373 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 21:23:56,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 21:23:56,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 21:23:56,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 21:23:56,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 21:23:56,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 21:23:56,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 21:23:56,374 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 21:23:56,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 21:23:56,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 21:23:56,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_934a3966-c065-4aaa-a9ae-93e47552cbe0/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3296e44e2ada4db375cf31b8823cddd76a460f7b [2019-12-01 21:23:56,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 21:23:56,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 21:23:56,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 21:23:56,485 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 21:23:56,485 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 21:23:56,486 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_934a3966-c065-4aaa-a9ae-93e47552cbe0/bin/ukojak/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2019-12-01 21:23:56,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_934a3966-c065-4aaa-a9ae-93e47552cbe0/bin/ukojak/data/4fb22a447/4d32365c9fdd4780a836d787b09fbac4/FLAG930384d50 [2019-12-01 21:23:56,985 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 21:23:56,985 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_934a3966-c065-4aaa-a9ae-93e47552cbe0/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2019-12-01 21:23:56,989 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_934a3966-c065-4aaa-a9ae-93e47552cbe0/bin/ukojak/data/4fb22a447/4d32365c9fdd4780a836d787b09fbac4/FLAG930384d50 [2019-12-01 21:23:56,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_934a3966-c065-4aaa-a9ae-93e47552cbe0/bin/ukojak/data/4fb22a447/4d32365c9fdd4780a836d787b09fbac4 [2019-12-01 21:23:57,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 21:23:57,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 21:23:57,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 21:23:57,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 21:23:57,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 21:23:57,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:23:57" (1/1) ... [2019-12-01 21:23:57,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c25e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:23:57, skipping insertion in model container [2019-12-01 21:23:57,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:23:57" (1/1) ... [2019-12-01 21:23:57,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 21:23:57,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 21:23:57,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:23:57,181 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 21:23:57,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:23:57,208 INFO L208 MainTranslator]: Completed translation [2019-12-01 21:23:57,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:23:57 WrapperNode [2019-12-01 21:23:57,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 21:23:57,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 21:23:57,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 21:23:57,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 21:23:57,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:23:57" (1/1) ... [2019-12-01 21:23:57,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:23:57" (1/1) ... [2019-12-01 21:23:57,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 21:23:57,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 21:23:57,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 21:23:57,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 21:23:57,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:23:57" (1/1) ... [2019-12-01 21:23:57,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:23:57" (1/1) ... [2019-12-01 21:23:57,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:23:57" (1/1) ... [2019-12-01 21:23:57,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:23:57" (1/1) ... [2019-12-01 21:23:57,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:23:57" (1/1) ... [2019-12-01 21:23:57,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:23:57" (1/1) ... [2019-12-01 21:23:57,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:23:57" (1/1) ... [2019-12-01 21:23:57,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 21:23:57,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 21:23:57,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 21:23:57,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 21:23:57,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:23:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_934a3966-c065-4aaa-a9ae-93e47552cbe0/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 21:23:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-01 21:23:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-12-01 21:23:57,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-12-01 21:23:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-01 21:23:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 21:23:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 21:23:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-12-01 21:23:57,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-12-01 21:23:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 21:23:57,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 21:23:57,535 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 21:23:57,535 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-01 21:23:57,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:23:57 BoogieIcfgContainer [2019-12-01 21:23:57,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 21:23:57,537 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 21:23:57,537 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 21:23:57,544 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 21:23:57,544 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:23:57" (1/1) ... [2019-12-01 21:23:57,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 21:23:57,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:23:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2019-12-01 21:23:57,576 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2019-12-01 21:23:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 21:23:57,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:23:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:23:57,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:23:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:23:57,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2019-12-01 21:23:57,736 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2019-12-01 21:23:57,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 21:23:57,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:23:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:23:57,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:23:57,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:23:57,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2019-12-01 21:23:57,829 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2019-12-01 21:23:57,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 21:23:57,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:23:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:23:57,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 21:23:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:23:57,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2019-12-01 21:23:57,924 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2019-12-01 21:23:57,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 21:23:57,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:23:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:23:57,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 21:23:57,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:23:57,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2019-12-01 21:23:57,986 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2019-12-01 21:23:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 21:23:57,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:23:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:23:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 21:23:58,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:23:58,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 27 transitions. [2019-12-01 21:23:58,102 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2019-12-01 21:23:58,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 21:23:58,103 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2019-12-01 21:23:58,112 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 21:23:58,133 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 21:23:58,140 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 21:23:58,141 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 21:23:58,141 INFO L569 CodeCheckObserver]: Invariant with dag size 4 [2019-12-01 21:23:58,141 INFO L569 CodeCheckObserver]: Invariant with dag size 4 [2019-12-01 21:23:58,142 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 21:23:58,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 09:23:58 ImpRootNode [2019-12-01 21:23:58,142 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 21:23:58,142 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 21:23:58,142 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 21:23:58,143 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 21:23:58,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:23:57" (3/4) ... [2019-12-01 21:23:58,145 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 21:23:58,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2019-12-01 21:23:58,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2019-12-01 21:23:58,153 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2019-12-01 21:23:58,153 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-01 21:23:58,153 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 21:23:58,193 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_934a3966-c065-4aaa-a9ae-93e47552cbe0/bin/ukojak/witness.graphml [2019-12-01 21:23:58,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 21:23:58,195 INFO L168 Benchmark]: Toolchain (without parser) took 1191.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 940.9 MB in the beginning and 978.3 MB in the end (delta: -37.4 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. [2019-12-01 21:23:58,195 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 21:23:58,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -157.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-12-01 21:23:58,196 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-12-01 21:23:58,196 INFO L168 Benchmark]: Boogie Preprocessor took 17.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-01 21:23:58,197 INFO L168 Benchmark]: RCFGBuilder took 282.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2019-12-01 21:23:58,197 INFO L168 Benchmark]: CodeCheck took 605.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 982.6 MB in the end (delta: 79.5 MB). Peak memory consumption was 79.5 MB. Max. memory is 11.5 GB. [2019-12-01 21:23:58,197 INFO L168 Benchmark]: Witness Printer took 51.22 ms. Allocated memory is still 1.1 GB. Free memory was 982.6 MB in the beginning and 978.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. [2019-12-01 21:23:58,199 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 29 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 500 SDtfs, 88 SDslu, 112 SDs, 0 SdLazy, 378 SolverSat, 202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 697 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s 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: 6]: 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: 115]: Loop Invariant Derived loop invariant: used_tmp_slot == 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: !(kzalloc(sizeof(struct bus_info), 0) == 0) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: !(0 == bus_info_ptr1) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 204.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -157.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 282.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * CodeCheck took 605.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 982.6 MB in the end (delta: 79.5 MB). Peak memory consumption was 79.5 MB. Max. memory is 11.5 GB. * Witness Printer took 51.22 ms. Allocated memory is still 1.1 GB. Free memory was 982.6 MB in the beginning and 978.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...