./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a46bfd80-8be7-4b0a-95dc-108ece5788cf/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a46bfd80-8be7-4b0a-95dc-108ece5788cf/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a46bfd80-8be7-4b0a-95dc-108ece5788cf/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a46bfd80-8be7-4b0a-95dc-108ece5788cf/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_a46bfd80-8be7-4b0a-95dc-108ece5788cf/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a46bfd80-8be7-4b0a-95dc-108ece5788cf/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 64bit --witnessprinter.graph.data.programhash 17b6ca63314e9bbd90d97451589da4cb7f3ca1eb .................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:56:00,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:56:00,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:56:00,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:56:00,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:56:00,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:56:00,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:56:00,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:56:00,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:56:00,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:56:00,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:56:00,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:56:00,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:56:00,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:56:00,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:56:00,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:56:00,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:56:00,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:56:00,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:56:00,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:56:00,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:56:00,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:56:00,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:56:00,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:56:00,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:56:00,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:56:00,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:56:00,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:56:00,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:56:00,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:56:00,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:56:00,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:56:00,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:56:00,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:56:00,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:56:00,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:56:00,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:56:00,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:56:00,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:56:00,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:56:00,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:56:00,849 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a46bfd80-8be7-4b0a-95dc-108ece5788cf/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2019-11-20 02:56:00,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:56:00,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:56:00,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 02:56:00,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 02:56:00,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:56:00,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:56:00,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:56:00,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:56:00,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:56:00,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:56:00,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:56:00,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:56:00,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:56:00,895 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:56:00,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:56:00,896 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 02:56:00,896 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 02:56:00,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:56:00,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:56:00,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 02:56:00,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:56:00,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:56:00,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:56:00,898 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 02:56:00,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:56:00,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:56:00,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 02:56:00,899 INFO L138 SettingsManager]: * To the following directory=dump/ 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_a46bfd80-8be7-4b0a-95dc-108ece5788cf/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17b6ca63314e9bbd90d97451589da4cb7f3ca1eb [2019-11-20 02:56:01,108 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:56:01,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:56:01,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:56:01,126 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:56:01,126 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:56:01,127 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a46bfd80-8be7-4b0a-95dc-108ece5788cf/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-11-20 02:56:01,188 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a46bfd80-8be7-4b0a-95dc-108ece5788cf/bin/ukojak/data/3760fee4e/5303609ed7a748d08c8eedbe57a9fca7/FLAG16f71a6ec [2019-11-20 02:56:01,909 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:56:01,910 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a46bfd80-8be7-4b0a-95dc-108ece5788cf/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-11-20 02:56:01,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a46bfd80-8be7-4b0a-95dc-108ece5788cf/bin/ukojak/data/3760fee4e/5303609ed7a748d08c8eedbe57a9fca7/FLAG16f71a6ec [2019-11-20 02:56:01,986 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a46bfd80-8be7-4b0a-95dc-108ece5788cf/bin/ukojak/data/3760fee4e/5303609ed7a748d08c8eedbe57a9fca7 [2019-11-20 02:56:01,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:56:01,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:56:02,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:56:02,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:56:02,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:56:02,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:56:01" (1/1) ... [2019-11-20 02:56:02,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc7a2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:56:02, skipping insertion in model container [2019-11-20 02:56:02,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:56:01" (1/1) ... [2019-11-20 02:56:02,016 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:56:02,113 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:56:02,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:56:02,979 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:56:03,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:56:03,235 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:56:03,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:56:03 WrapperNode [2019-11-20 02:56:03,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:56:03,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:56:03,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:56:03,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:56:03,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:56:03" (1/1) ... [2019-11-20 02:56:03,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:56:03" (1/1) ... [2019-11-20 02:56:03,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:56:03,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:56:03,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:56:03,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:56:03,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:56:03" (1/1) ... [2019-11-20 02:56:03,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:56:03" (1/1) ... [2019-11-20 02:56:03,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:56:03" (1/1) ... [2019-11-20 02:56:03,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:56:03" (1/1) ... [2019-11-20 02:56:03,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:56:03" (1/1) ... [2019-11-20 02:56:03,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:56:03" (1/1) ... [2019-11-20 02:56:03,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:56:03" (1/1) ... [2019-11-20 02:56:03,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:56:03,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:56:03,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:56:03,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:56:03,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:56:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a46bfd80-8be7-4b0a-95dc-108ece5788cf/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 [2019-11-20 02:56:03,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 02:56:03,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:56:03,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 02:56:03,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:56:03,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:56:03,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:56:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-11-20 02:56:03,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-11-20 02:56:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-11-20 02:56:03,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-11-20 02:56:03,688 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 02:56:04,017 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-11-20 02:56:04,017 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-11-20 02:56:04,286 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:56:04,287 INFO L285 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-20 02:56:04,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:56:04 BoogieIcfgContainer [2019-11-20 02:56:04,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:56:04,289 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 02:56:04,289 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 02:56:04,300 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 02:56:04,300 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:56:04" (1/1) ... [2019-11-20 02:56:04,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:56:04,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:56:04,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2019-11-20 02:56:04,353 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2019-11-20 02:56:04,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 02:56:04,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:56:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:56:04,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:56:04,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:56:04,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2019-11-20 02:56:04,590 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2019-11-20 02:56:04,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 02:56:04,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:56:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:56:04,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:56:04,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:56:04,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2019-11-20 02:56:04,701 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2019-11-20 02:56:04,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 02:56:04,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:56:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:56:04,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:56:04,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:56:04,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2019-11-20 02:56:04,780 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2019-11-20 02:56:04,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 02:56:04,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:56:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:56:04,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:56:04,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:56:04,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2019-11-20 02:56:04,873 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2019-11-20 02:56:04,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 02:56:04,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:56:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:56:04,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:56:04,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:56:04,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2019-11-20 02:56:04,984 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2019-11-20 02:56:04,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 02:56:04,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:56:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:56:05,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:56:05,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:56:05,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2019-11-20 02:56:05,226 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2019-11-20 02:56:05,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 02:56:05,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:56:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:56:05,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:56:05,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:56:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2019-11-20 02:56:05,522 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2019-11-20 02:56:05,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 02:56:05,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:56:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:56:05,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:56:07,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:56:07,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2019-11-20 02:56:07,484 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2019-11-20 02:56:07,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 02:56:07,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:56:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:56:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:56:08,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:56:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 23 states and 29 transitions. [2019-11-20 02:56:08,726 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2019-11-20 02:56:08,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:56:08,727 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2019-11-20 02:56:08,736 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 02:56:08,926 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:56:08,930 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:56:08,930 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:56:08,931 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:56:08,931 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:56:08,931 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:56:08,931 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:56:08,931 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:56:08,931 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:56:08,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 02:56:08 ImpRootNode [2019-11-20 02:56:08,932 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 02:56:08,932 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:56:08,932 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:56:08,932 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:56:08,933 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:56:04" (3/4) ... [2019-11-20 02:56:08,936 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:56:08,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2019-11-20 02:56:08,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2019-11-20 02:56:08,948 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2019-11-20 02:56:08,949 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-20 02:56:08,949 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 02:56:09,032 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a46bfd80-8be7-4b0a-95dc-108ece5788cf/bin/ukojak/witness.graphml [2019-11-20 02:56:09,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:56:09,035 INFO L168 Benchmark]: Toolchain (without parser) took 7042.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 934.0 MB in the beginning and 875.9 MB in the end (delta: 58.1 MB). Peak memory consumption was 194.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:56:09,035 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:56:09,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1235.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:56:09,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:56:09,037 INFO L168 Benchmark]: Boogie Preprocessor took 80.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:56:09,037 INFO L168 Benchmark]: RCFGBuilder took 874.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:56:09,038 INFO L168 Benchmark]: CodeCheck took 4643.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 882.8 MB in the end (delta: 125.6 MB). Peak memory consumption was 125.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:56:09,038 INFO L168 Benchmark]: Witness Printer took 100.78 ms. Allocated memory is still 1.2 GB. Free memory was 882.8 MB in the beginning and 875.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:56:09,041 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, 26 locations, 1 error locations. Result: SAFE, OverallTime: 4.4s, OverallIterations: 10, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3840 SDtfs, 3296 SDslu, 5296 SDs, 0 SdLazy, 1298 SolverSat, 938 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1072 GetRequests, 1015 SyntacticMatches, 5 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 916 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 8570 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 12/12 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: 4984]: 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: 4930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5049]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5052]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4864]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4965]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4945]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1235.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 874.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * CodeCheck took 4643.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 882.8 MB in the end (delta: 125.6 MB). Peak memory consumption was 125.6 MB. Max. memory is 11.5 GB. * Witness Printer took 100.78 ms. Allocated memory is still 1.2 GB. Free memory was 882.8 MB in the beginning and 875.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...