./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_95c5e404-e502-4d1e-9765-999d622a3ec2/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_95c5e404-e502-4d1e-9765-999d622a3ec2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_95c5e404-e502-4d1e-9765-999d622a3ec2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_95c5e404-e502-4d1e-9765-999d622a3ec2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_95c5e404-e502-4d1e-9765-999d622a3ec2/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_95c5e404-e502-4d1e-9765-999d622a3ec2/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 64bit --witnessprinter.graph.data.programhash 1ff7388905a87f8c37cbb4225dfed3880657ea2f .................................................................................................................................................................................................................................................................................................................. 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 16:21:39,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:21:39,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:21:39,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:21:39,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:21:39,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:21:39,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:21:39,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:21:39,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:21:39,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:21:39,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:21:39,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:21:39,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:21:39,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:21:39,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:21:39,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:21:39,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:21:39,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:21:39,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:21:39,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:21:39,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:21:39,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:21:39,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:21:39,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:21:39,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:21:39,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:21:39,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:21:39,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:21:39,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:21:39,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:21:39,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:21:39,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:21:39,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:21:39,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:21:39,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:21:39,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:21:39,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:21:39,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:21:39,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:21:39,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:21:39,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:21:39,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_95c5e404-e502-4d1e-9765-999d622a3ec2/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2020-12-01 16:21:39,666 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:21:39,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:21:39,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:21:39,669 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:21:39,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:21:39,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:21:39,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:21:39,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:21:39,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:21:39,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:21:39,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:21:39,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:21:39,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:21:39,673 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:21:39,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:21:39,674 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:21:39,674 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:21:39,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:21:39,675 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:21:39,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:21:39,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:21:39,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:21:39,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:21:39,676 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:21:39,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:21:39,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:21:39,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 16:21:39,677 INFO L138 SettingsManager]: * To the following directory=dump/ 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_95c5e404-e502-4d1e-9765-999d622a3ec2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_95c5e404-e502-4d1e-9765-999d622a3ec2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ff7388905a87f8c37cbb4225dfed3880657ea2f [2020-12-01 16:21:39,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:21:39,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:21:39,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:21:39,972 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:21:39,973 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:21:39,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_95c5e404-e502-4d1e-9765-999d622a3ec2/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-12-01 16:21:40,053 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95c5e404-e502-4d1e-9765-999d622a3ec2/bin/ukojak/data/30bc58c2e/4ce7e4f4394c444180ae56cb54c24a56/FLAGfa2454e7d [2020-12-01 16:21:40,727 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:21:40,727 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_95c5e404-e502-4d1e-9765-999d622a3ec2/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-12-01 16:21:40,767 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95c5e404-e502-4d1e-9765-999d622a3ec2/bin/ukojak/data/30bc58c2e/4ce7e4f4394c444180ae56cb54c24a56/FLAGfa2454e7d [2020-12-01 16:21:40,888 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_95c5e404-e502-4d1e-9765-999d622a3ec2/bin/ukojak/data/30bc58c2e/4ce7e4f4394c444180ae56cb54c24a56 [2020-12-01 16:21:40,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:21:40,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:21:40,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:21:40,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:21:40,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:21:40,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:21:40" (1/1) ... [2020-12-01 16:21:40,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a6c90c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:40, skipping insertion in model container [2020-12-01 16:21:40,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:21:40" (1/1) ... [2020-12-01 16:21:40,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:21:41,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:21:41,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:21:41,727 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:21:41,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:21:41,954 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:21:41,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:41 WrapperNode [2020-12-01 16:21:41,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:21:41,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:21:41,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:21:41,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:21:41,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:41" (1/1) ... [2020-12-01 16:21:41,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:41" (1/1) ... [2020-12-01 16:21:42,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:21:42,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:21:42,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:21:42,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:21:42,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:41" (1/1) ... [2020-12-01 16:21:42,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:41" (1/1) ... [2020-12-01 16:21:42,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:41" (1/1) ... [2020-12-01 16:21:42,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:41" (1/1) ... [2020-12-01 16:21:42,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:41" (1/1) ... [2020-12-01 16:21:42,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:41" (1/1) ... [2020-12-01 16:21:42,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:41" (1/1) ... [2020-12-01 16:21:42,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:21:42,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:21:42,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:21:42,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:21:42,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95c5e404-e502-4d1e-9765-999d622a3ec2/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 16:21:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:21:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 16:21:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-12-01 16:21:42,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-12-01 16:21:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-12-01 16:21:42,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-12-01 16:21:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 16:21:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:21:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:21:42,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:21:42,580 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 16:21:42,904 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-12-01 16:21:42,905 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-12-01 16:21:43,266 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:21:43,266 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-12-01 16:21:43,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:21:43 BoogieIcfgContainer [2020-12-01 16:21:43,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:21:43,274 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:21:43,276 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:21:43,288 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:21:43,289 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:21:43" (1/1) ... [2020-12-01 16:21:43,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:21:43,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:43,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2020-12-01 16:21:43,356 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-12-01 16:21:43,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:21:43,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:43,654 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 16:21:43,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:43,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2020-12-01 16:21:43,701 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2020-12-01 16:21:43,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:21:43,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:43,835 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 16:21:43,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:43,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2020-12-01 16:21:43,843 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-12-01 16:21:43,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:21:43,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:43,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:21:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2020-12-01 16:21:43,950 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2020-12-01 16:21:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:21:43,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:44,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:21:44,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:44,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2020-12-01 16:21:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2020-12-01 16:21:44,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:21:44,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:44,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:21:44,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:44,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2020-12-01 16:21:44,126 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2020-12-01 16:21:44,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:21:44,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:44,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:21:44,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:44,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2020-12-01 16:21:44,225 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-12-01 16:21:44,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:21:44,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:44,451 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 16:21:44,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:44,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2020-12-01 16:21:44,585 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2020-12-01 16:21:44,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:21:44,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:44,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:21:44,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:44,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2020-12-01 16:21:44,889 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2020-12-01 16:21:44,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:21:44,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:45,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:21:46,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:46,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2020-12-01 16:21:46,413 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2020-12-01 16:21:46,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:21:46,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:46,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:21:47,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:47,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 23 states and 29 transitions. [2020-12-01 16:21:47,478 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2020-12-01 16:21:47,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:21:47,479 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2020-12-01 16:21:47,485 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:21:47,696 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:21:47,700 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:21:47,701 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:21:47,701 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:21:47,701 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:21:47,702 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:21:47,702 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:21:47,702 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:21:47,702 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:21:47,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:21:47 ImpRootNode [2020-12-01 16:21:47,704 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:21:47,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:21:47,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:21:47,707 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:21:47,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:21:43" (3/4) ... [2020-12-01 16:21:47,721 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:21:47,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2020-12-01 16:21:47,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2020-12-01 16:21:47,746 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2020-12-01 16:21:47,747 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 16:21:47,747 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 16:21:47,748 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:21:47,854 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_95c5e404-e502-4d1e-9765-999d622a3ec2/bin/ukojak/witness.graphml [2020-12-01 16:21:47,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:21:47,857 INFO L168 Benchmark]: Toolchain (without parser) took 6957.04 ms. Allocated memory was 83.9 MB in the beginning and 169.9 MB in the end (delta: 86.0 MB). Free memory was 60.9 MB in the beginning and 128.5 MB in the end (delta: -67.6 MB). Peak memory consumption was 103.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:21:47,857 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 83.9 MB. Free memory was 63.3 MB in the beginning and 63.3 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:21:47,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1055.35 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 60.9 MB in the beginning and 52.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 50.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:21:47,859 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.29 ms. Allocated memory is still 100.7 MB. Free memory was 52.8 MB in the beginning and 50.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:21:47,860 INFO L168 Benchmark]: Boogie Preprocessor took 72.59 ms. Allocated memory is still 100.7 MB. Free memory was 50.3 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:21:47,864 INFO L168 Benchmark]: RCFGBuilder took 1163.04 ms. Allocated memory is still 100.7 MB. Free memory was 48.2 MB in the beginning and 48.4 MB in the end (delta: -286.4 kB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:21:47,865 INFO L168 Benchmark]: CodeCheck took 4431.02 ms. Allocated memory was 100.7 MB in the beginning and 169.9 MB in the end (delta: 69.2 MB). Free memory was 48.0 MB in the beginning and 47.5 MB in the end (delta: 434.0 kB). Peak memory consumption was 70.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:21:47,865 INFO L168 Benchmark]: Witness Printer took 148.47 ms. Allocated memory is still 169.9 MB. Free memory was 47.5 MB in the beginning and 128.5 MB in the end (delta: -81.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:21:47,867 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: 4.1s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8512 SDtfs, 6432 SDslu, 10480 SDs, 0 SdLazy, 2098 SolverSat, 1706 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1288 GetRequests, 1235 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 846 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 10479 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5060]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5081]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5063]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4976]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4956]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 83.9 MB. Free memory was 63.3 MB in the beginning and 63.3 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1055.35 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 60.9 MB in the beginning and 52.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 50.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.29 ms. Allocated memory is still 100.7 MB. Free memory was 52.8 MB in the beginning and 50.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.59 ms. Allocated memory is still 100.7 MB. Free memory was 50.3 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1163.04 ms. Allocated memory is still 100.7 MB. Free memory was 48.2 MB in the beginning and 48.4 MB in the end (delta: -286.4 kB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * CodeCheck took 4431.02 ms. Allocated memory was 100.7 MB in the beginning and 169.9 MB in the end (delta: 69.2 MB). Free memory was 48.0 MB in the beginning and 47.5 MB in the end (delta: 434.0 kB). Peak memory consumption was 70.6 MB. Max. memory is 16.1 GB. * Witness Printer took 148.47 ms. Allocated memory is still 169.9 MB. Free memory was 47.5 MB in the beginning and 128.5 MB in the end (delta: -81.0 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...