./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label53.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ba8b304b-4d14-4d08-a7cc-397026c05db1/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ba8b304b-4d14-4d08-a7cc-397026c05db1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ba8b304b-4d14-4d08-a7cc-397026c05db1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ba8b304b-4d14-4d08-a7cc-397026c05db1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label53.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ba8b304b-4d14-4d08-a7cc-397026c05db1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ba8b304b-4d14-4d08-a7cc-397026c05db1/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f2824624fed4ccbdafc00f63c200acab83727308 ................................................................................................................................................................................................................................................................................ 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 18:15:07,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:15:07,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:15:07,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:15:07,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:15:07,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:15:07,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:15:07,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:15:07,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:15:07,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:15:07,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:15:07,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:15:07,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:15:07,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:15:07,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:15:07,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:15:07,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:15:07,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:15:07,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:15:07,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:15:07,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:15:07,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:15:07,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:15:07,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:15:07,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:15:07,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:15:07,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:15:07,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:15:07,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:15:07,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:15:07,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:15:07,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:15:07,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:15:07,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:15:07,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:15:07,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:15:07,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:15:07,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:15:07,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:15:07,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:15:07,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:15:07,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ba8b304b-4d14-4d08-a7cc-397026c05db1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:15:07,916 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:15:07,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:15:07,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:15:07,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:15:07,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:15:07,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:15:07,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:15:07,921 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:15:07,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:15:07,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:15:07,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:15:07,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:15:07,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:15:07,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:15:07,925 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:15:07,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:15:07,925 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:15:07,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:15:07,926 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:15:07,926 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:15:07,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:15:07,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:15:07,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:15:07,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:15:07,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:15:07,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:15:07,928 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:15:07,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:15:07,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:15:07,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ba8b304b-4d14-4d08-a7cc-397026c05db1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ba8b304b-4d14-4d08-a7cc-397026c05db1/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2824624fed4ccbdafc00f63c200acab83727308 [2020-12-01 18:15:08,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:15:08,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:15:08,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:15:08,431 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:15:08,434 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:15:08,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ba8b304b-4d14-4d08-a7cc-397026c05db1/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem11_label53.c [2020-12-01 18:15:08,546 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba8b304b-4d14-4d08-a7cc-397026c05db1/bin/ukojak/data/44478eee1/ef03135ed81b46be97979ce88f7dd1df/FLAG7ad41418f [2020-12-01 18:15:09,433 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:15:09,435 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ba8b304b-4d14-4d08-a7cc-397026c05db1/sv-benchmarks/c/eca-rers2012/Problem11_label53.c [2020-12-01 18:15:09,465 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba8b304b-4d14-4d08-a7cc-397026c05db1/bin/ukojak/data/44478eee1/ef03135ed81b46be97979ce88f7dd1df/FLAG7ad41418f [2020-12-01 18:15:09,582 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ba8b304b-4d14-4d08-a7cc-397026c05db1/bin/ukojak/data/44478eee1/ef03135ed81b46be97979ce88f7dd1df [2020-12-01 18:15:09,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:15:09,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:15:09,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:15:09,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:15:09,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:15:09,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:15:09" (1/1) ... [2020-12-01 18:15:09,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77d1a3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:09, skipping insertion in model container [2020-12-01 18:15:09,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:15:09" (1/1) ... [2020-12-01 18:15:09,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:15:09,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:15:10,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:15:10,491 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:15:10,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:15:10,758 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:15:10,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:10 WrapperNode [2020-12-01 18:15:10,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:15:10,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:15:10,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:15:10,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:15:10,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:10" (1/1) ... [2020-12-01 18:15:10,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:10" (1/1) ... [2020-12-01 18:15:11,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:15:11,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:15:11,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:15:11,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:15:11,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:10" (1/1) ... [2020-12-01 18:15:11,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:10" (1/1) ... [2020-12-01 18:15:11,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:10" (1/1) ... [2020-12-01 18:15:11,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:10" (1/1) ... [2020-12-01 18:15:11,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:10" (1/1) ... [2020-12-01 18:15:11,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:10" (1/1) ... [2020-12-01 18:15:11,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:10" (1/1) ... [2020-12-01 18:15:11,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:15:11,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:15:11,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:15:11,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:15:11,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:15:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba8b304b-4d14-4d08-a7cc-397026c05db1/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 18:15:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:15:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:15:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:15:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:15:52,022 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:15:52,023 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 18:15:52,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:15:52 BoogieIcfgContainer [2020-12-01 18:15:52,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:15:52,030 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:15:52,031 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:15:52,047 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:15:52,047 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:15:52" (1/1) ... [2020-12-01 18:15:52,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:15:52,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:15:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 18:15:52,125 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 18:15:52,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:15:52,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:15:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:15:52,427 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 18:15:52,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:15:52,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 18:15:52,658 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 18:15:52,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:15:52,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:15:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:15:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:15:54,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:15:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2020-12-01 18:15:54,529 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2020-12-01 18:15:54,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:15:54,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:15:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:15:57,800 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:16,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:16,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2020-12-01 18:16:16,838 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2020-12-01 18:16:16,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:16:16,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:19,034 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:16:20,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:20,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2020-12-01 18:16:20,064 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2020-12-01 18:16:20,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:16:20,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:19,573 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:17:20,568 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-12-01 18:17:31,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:31,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 76 transitions. [2020-12-01 18:17:31,608 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 76 transitions. [2020-12-01 18:17:31,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:17:31,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:18:21,070 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2020-12-01 18:18:21,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:21,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 43 states and 79 transitions. [2020-12-01 18:18:21,611 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2020-12-01 18:18:21,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:18:21,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:11,130 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:19:11,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:11,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 82 transitions. [2020-12-01 18:19:11,677 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2020-12-01 18:19:11,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:19:11,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:19,381 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 18:19:20,356 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2020-12-01 18:19:20,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:20,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2020-12-01 18:19:20,626 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2020-12-01 18:19:20,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:19:20,628 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2020-12-01 18:19:20,635 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:19:20,903 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 30 [2020-12-01 18:19:21,012 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 24 [2020-12-01 18:19:21,275 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 30 [2020-12-01 18:19:21,621 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 28 [2020-12-01 18:19:21,621 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:19:21,627 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2020-12-01 18:19:21,636 INFO L569 CodeCheckObserver]: Invariant with dag size 30 [2020-12-01 18:19:21,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:19:21 ImpRootNode [2020-12-01 18:19:21,642 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:19:21,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:19:21,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:19:21,650 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:19:21,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:15:52" (3/4) ... [2020-12-01 18:19:21,655 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:19:21,706 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 254 nodes and edges [2020-12-01 18:19:21,710 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-12-01 18:19:21,713 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 18:19:21,717 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:19:21,993 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ba8b304b-4d14-4d08-a7cc-397026c05db1/bin/ukojak/witness.graphml [2020-12-01 18:19:21,994 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:19:21,995 INFO L168 Benchmark]: Toolchain (without parser) took 252404.87 ms. Allocated memory was 92.3 MB in the beginning and 3.4 GB in the end (delta: 3.3 GB). Free memory was 58.5 MB in the beginning and 1.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.1 GB. [2020-12-01 18:19:21,996 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 92.3 MB. Free memory was 49.5 MB in the beginning and 49.4 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:19:21,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1165.71 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 58.3 MB in the beginning and 83.3 MB in the end (delta: -25.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:21,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 294.09 ms. Allocated memory is still 111.1 MB. Free memory was 83.3 MB in the beginning and 66.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:21,997 INFO L168 Benchmark]: Boogie Preprocessor took 150.90 ms. Allocated memory is still 111.1 MB. Free memory was 66.0 MB in the beginning and 56.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:21,998 INFO L168 Benchmark]: RCFGBuilder took 40818.18 ms. Allocated memory was 111.1 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 56.1 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 413.8 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:22,006 INFO L168 Benchmark]: CodeCheck took 209618.53 ms. Allocated memory was 2.0 GB in the beginning and 3.4 GB in the end (delta: 1.4 GB). Free memory was 1.7 GB in the beginning and 1.5 GB in the end (delta: 148.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2020-12-01 18:19:22,007 INFO L168 Benchmark]: Witness Printer took 344.90 ms. Allocated memory is still 3.4 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:22,010 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 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 208.5s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1696 SDtfs, 3460 SDslu, 2368 SDs, 0 SdLazy, 9606 SolverSat, 1310 SolverUnsat, 80 SolverUnknown, 0 SolverNotchecked, 160.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1126 GetRequests, 1009 SyntacticMatches, 47 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2365 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 11.5s SatisfiabilityAnalysisTime, 160.9s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 20868 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 60/122 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: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((a23 <= 138 || 306 < a23) || a25 <= 12) || !(a4 == 1)) || a29 <= 245) || 13 < a25) && a8 == 15) && a3 == 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((99912 <= a29 || 307 <= a23) || a29 <= 245) && a8 == 15) && a3 == 1) || ((((a23 <= 138 || !(a4 == 1)) || 14 <= a25) && a8 == 15) && a3 == 1)) || ((a25 <= 12 && a8 == 15) && a3 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 92.3 MB. Free memory was 49.5 MB in the beginning and 49.4 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1165.71 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 58.3 MB in the beginning and 83.3 MB in the end (delta: -25.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 294.09 ms. Allocated memory is still 111.1 MB. Free memory was 83.3 MB in the beginning and 66.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 150.90 ms. Allocated memory is still 111.1 MB. Free memory was 66.0 MB in the beginning and 56.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40818.18 ms. Allocated memory was 111.1 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 56.1 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 413.8 MB. Max. memory is 16.1 GB. * CodeCheck took 209618.53 ms. Allocated memory was 2.0 GB in the beginning and 3.4 GB in the end (delta: 1.4 GB). Free memory was 1.7 GB in the beginning and 1.5 GB in the end (delta: 148.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. * Witness Printer took 344.90 ms. Allocated memory is still 3.4 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...