./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label43.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_0d7effca-4a5f-41f6-a2c4-f4df3f2312a2/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0d7effca-4a5f-41f6-a2c4-f4df3f2312a2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0d7effca-4a5f-41f6-a2c4-f4df3f2312a2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0d7effca-4a5f-41f6-a2c4-f4df3f2312a2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label43.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0d7effca-4a5f-41f6-a2c4-f4df3f2312a2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0d7effca-4a5f-41f6-a2c4-f4df3f2312a2/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 ac0b031040320d5a951ff97f31d87306ac696587 ............................................................................................................................................................................................................................................................. 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 16:14:17,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:14:17,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:14:17,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:14:17,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:14:17,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:14:17,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:14:17,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:14:17,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:14:17,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:14:17,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:14:17,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:14:17,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:14:17,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:14:17,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:14:17,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:14:17,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:14:17,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:14:17,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:14:17,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:14:17,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:14:17,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:14:17,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:14:17,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:14:17,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:14:17,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:14:17,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:14:17,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:14:17,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:14:17,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:14:17,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:14:17,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:14:17,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:14:17,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:14:17,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:14:17,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:14:17,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:14:17,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:14:17,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:14:17,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:14:17,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:14:17,680 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0d7effca-4a5f-41f6-a2c4-f4df3f2312a2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:14:17,702 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:14:17,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:14:17,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:14:17,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:14:17,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:14:17,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:14:17,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:14:17,706 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:14:17,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:14:17,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:14:17,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:14:17,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:14:17,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:14:17,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:14:17,708 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:14:17,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:14:17,709 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:14:17,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:14:17,710 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:14:17,710 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:14:17,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:14:17,710 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:14:17,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:14:17,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:14:17,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:14:17,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:14:17,712 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:14:17,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:14:17,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:14:17,713 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_0d7effca-4a5f-41f6-a2c4-f4df3f2312a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0d7effca-4a5f-41f6-a2c4-f4df3f2312a2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac0b031040320d5a951ff97f31d87306ac696587 [2020-12-01 16:14:18,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:14:18,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:14:18,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:14:18,048 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:14:18,050 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:14:18,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0d7effca-4a5f-41f6-a2c4-f4df3f2312a2/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem15_label43.c [2020-12-01 16:14:18,156 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d7effca-4a5f-41f6-a2c4-f4df3f2312a2/bin/ukojak/data/b5688fd2a/7452e2e017e84e9e88e80a90d6dd8486/FLAG26697480f [2020-12-01 16:14:18,897 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:14:18,898 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0d7effca-4a5f-41f6-a2c4-f4df3f2312a2/sv-benchmarks/c/eca-rers2012/Problem15_label43.c [2020-12-01 16:14:18,924 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d7effca-4a5f-41f6-a2c4-f4df3f2312a2/bin/ukojak/data/b5688fd2a/7452e2e017e84e9e88e80a90d6dd8486/FLAG26697480f [2020-12-01 16:14:19,011 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0d7effca-4a5f-41f6-a2c4-f4df3f2312a2/bin/ukojak/data/b5688fd2a/7452e2e017e84e9e88e80a90d6dd8486 [2020-12-01 16:14:19,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:14:19,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:14:19,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:14:19,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:14:19,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:14:19,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:14:19" (1/1) ... [2020-12-01 16:14:19,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1583e99f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:19, skipping insertion in model container [2020-12-01 16:14:19,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:14:19" (1/1) ... [2020-12-01 16:14:19,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:14:19,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:14:19,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:14:20,007 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:14:20,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:14:20,472 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:14:20,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:20 WrapperNode [2020-12-01 16:14:20,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:14:20,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:14:20,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:14:20,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:14:20,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:20" (1/1) ... [2020-12-01 16:14:20,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:20" (1/1) ... [2020-12-01 16:14:20,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:14:20,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:14:20,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:14:20,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:14:20,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:20" (1/1) ... [2020-12-01 16:14:20,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:20" (1/1) ... [2020-12-01 16:14:20,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:20" (1/1) ... [2020-12-01 16:14:20,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:20" (1/1) ... [2020-12-01 16:14:20,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:20" (1/1) ... [2020-12-01 16:14:20,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:20" (1/1) ... [2020-12-01 16:14:21,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:20" (1/1) ... [2020-12-01 16:14:21,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:14:21,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:14:21,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:14:21,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:14:21,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d7effca-4a5f-41f6-a2c4-f4df3f2312a2/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 16:14:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:14:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:14:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:14:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:16:44,230 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:16:44,230 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 16:16:44,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:16:44 BoogieIcfgContainer [2020-12-01 16:16:44,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:16:44,234 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:16:44,234 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:16:44,242 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:16:44,243 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:16:44" (1/1) ... [2020-12-01 16:16:44,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:16:44,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:44,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 16:16:44,325 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 16:16:44,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:16:44,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:44,618 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 16:16:45,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:45,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 16:16:45,041 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 16:16:45,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:16:45,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:47,936 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 16:16:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:50,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2020-12-01 16:16:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2020-12-01 16:16:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:16:50,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:58,087 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 19 [2020-12-01 16:16:58,381 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2020-12-01 16:16:58,708 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2020-12-01 16:16:58,905 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 16:16:59,822 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-12-01 16:17:03,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:03,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2020-12-01 16:17:03,013 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2020-12-01 16:17:03,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:17:03,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:08,674 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 16:17:10,384 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-12-01 16:17:10,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2020-12-01 16:17:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2020-12-01 16:17:10,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:17:10,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:17:19,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:19,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2020-12-01 16:17:19,647 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2020-12-01 16:17:19,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:17:19,647 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-12-01 16:17:19,656 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:17:20,047 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-12-01 16:17:20,468 WARN L197 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-12-01 16:17:20,759 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2020-12-01 16:17:21,155 WARN L197 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-12-01 16:17:21,174 INFO L569 CodeCheckObserver]: Invariant with dag size 41 [2020-12-01 16:17:21,203 INFO L569 CodeCheckObserver]: Invariant with dag size 39 [2020-12-01 16:17:21,205 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:17:21,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:17:21 ImpRootNode [2020-12-01 16:17:21,206 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:17:21,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:17:21,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:17:21,207 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:17:21,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:16:44" (3/4) ... [2020-12-01 16:17:21,212 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:17:21,266 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 396 nodes and edges [2020-12-01 16:17:21,272 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-12-01 16:17:21,277 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 16:17:21,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:17:21,562 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0d7effca-4a5f-41f6-a2c4-f4df3f2312a2/bin/ukojak/witness.graphml [2020-12-01 16:17:21,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:17:21,564 INFO L168 Benchmark]: Toolchain (without parser) took 182547.18 ms. Allocated memory was 100.7 MB in the beginning and 5.5 GB in the end (delta: 5.4 GB). Free memory was 63.7 MB in the beginning and 1.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 3.5 GB. Max. memory is 16.1 GB. [2020-12-01 16:17:21,564 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 79.7 MB. Free memory was 50.4 MB in the beginning and 50.4 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:17:21,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1455.72 ms. Allocated memory is still 100.7 MB. Free memory was 63.7 MB in the beginning and 46.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:21,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 269.27 ms. Allocated memory is still 100.7 MB. Free memory was 46.9 MB in the beginning and 35.5 MB in the end (delta: 11.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:21,566 INFO L168 Benchmark]: Boogie Preprocessor took 319.68 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 35.5 MB in the beginning and 74.8 MB in the end (delta: -39.3 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:21,566 INFO L168 Benchmark]: RCFGBuilder took 143165.89 ms. Allocated memory was 142.6 MB in the beginning and 5.5 GB in the end (delta: 5.3 GB). Free memory was 74.8 MB in the beginning and 4.8 GB in the end (delta: -4.7 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2020-12-01 16:17:21,567 INFO L168 Benchmark]: CodeCheck took 36972.92 ms. Allocated memory is still 5.5 GB. Free memory was 4.8 GB in the beginning and 2.0 GB in the end (delta: 2.8 GB). Peak memory consumption was 2.8 GB. Max. memory is 16.1 GB. [2020-12-01 16:17:21,567 INFO L168 Benchmark]: Witness Printer took 356.12 ms. Allocated memory is still 5.5 GB. Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:21,570 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: 35.3s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 200 SDtfs, 350 SDslu, 272 SDs, 0 SdLazy, 1032 SolverSat, 202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 492 GetRequests, 435 SyntacticMatches, 11 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 14.1s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 10736 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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: 13]: 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: 1776]: Loop Invariant Derived loop invariant: ((((((0 <= a0 + 60 || 0 <= a4 + 85) || !(2 == a2)) || 0 <= a29 + 143) || a0 + 98 <= 0) && !(0 <= a0 + 44)) || (a0 + 44 <= 0 && 0 <= a29 + 127)) || (!(((a2 == 1 && a4 + 89 <= 0) && a29 + 127 <= 0) && 0 <= a29 + 127) && 0 <= a0 + 44) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((a0 + 44 <= 0 && 0 <= a29 + 127) || ((((0 < a29 + 144 || !(2 == a2)) || 0 < a0 + 61) || a0 + 98 <= 0) && !(((a2 == 1 && a4 + 89 <= 0) && a29 + 127 <= 0) && 0 <= a29 + 127))) || !(a4 + 86 <= 0) - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 79.7 MB. Free memory was 50.4 MB in the beginning and 50.4 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1455.72 ms. Allocated memory is still 100.7 MB. Free memory was 63.7 MB in the beginning and 46.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 269.27 ms. Allocated memory is still 100.7 MB. Free memory was 46.9 MB in the beginning and 35.5 MB in the end (delta: 11.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 319.68 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 35.5 MB in the beginning and 74.8 MB in the end (delta: -39.3 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 143165.89 ms. Allocated memory was 142.6 MB in the beginning and 5.5 GB in the end (delta: 5.3 GB). Free memory was 74.8 MB in the beginning and 4.8 GB in the end (delta: -4.7 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. * CodeCheck took 36972.92 ms. Allocated memory is still 5.5 GB. Free memory was 4.8 GB in the beginning and 2.0 GB in the end (delta: 2.8 GB). Peak memory consumption was 2.8 GB. Max. memory is 16.1 GB. * Witness Printer took 356.12 ms. Allocated memory is still 5.5 GB. Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...