./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label39.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_2b4a80a5-401f-45de-8895-b248977b3bf3/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b4a80a5-401f-45de-8895-b248977b3bf3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b4a80a5-401f-45de-8895-b248977b3bf3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b4a80a5-401f-45de-8895-b248977b3bf3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label39.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2b4a80a5-401f-45de-8895-b248977b3bf3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b4a80a5-401f-45de-8895-b248977b3bf3/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 13f3de8a203c4aa7e6f687d2455e368968fa6d40 ............................................................................................................................................................................................................................................................... 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 17:18:31,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:18:31,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:18:31,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:18:31,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:18:31,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:18:31,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:18:31,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:18:31,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:18:31,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:18:31,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:18:31,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:18:31,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:18:31,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:18:31,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:18:31,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:18:31,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:18:31,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:18:31,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:18:31,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:18:31,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:18:31,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:18:31,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:18:31,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:18:31,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:18:31,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:18:31,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:18:31,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:18:31,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:18:31,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:18:31,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:18:31,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:18:31,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:18:31,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:18:31,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:18:31,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:18:31,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:18:31,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:18:31,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:18:31,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:18:31,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:18:31,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b4a80a5-401f-45de-8895-b248977b3bf3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:18:31,768 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:18:31,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:18:31,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:18:31,770 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:18:31,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:18:31,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:18:31,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:18:31,772 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:18:31,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:18:31,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:18:31,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:18:31,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:18:31,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:18:31,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:18:31,774 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:18:31,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:18:31,775 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:18:31,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:18:31,776 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:18:31,776 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:18:31,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:18:31,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:18:31,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:18:31,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:18:31,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:18:31,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:18:31,778 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:18:31,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:18:31,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:18:31,779 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_2b4a80a5-401f-45de-8895-b248977b3bf3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2b4a80a5-401f-45de-8895-b248977b3bf3/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13f3de8a203c4aa7e6f687d2455e368968fa6d40 [2020-12-01 17:18:32,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:18:32,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:18:32,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:18:32,150 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:18:32,153 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:18:32,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b4a80a5-401f-45de-8895-b248977b3bf3/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem16_label39.c [2020-12-01 17:18:32,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b4a80a5-401f-45de-8895-b248977b3bf3/bin/ukojak/data/337cc610b/6180ccc322c741d1b32b1be4b4c5cc76/FLAG631569a1e [2020-12-01 17:18:33,150 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:18:33,151 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b4a80a5-401f-45de-8895-b248977b3bf3/sv-benchmarks/c/eca-rers2012/Problem16_label39.c [2020-12-01 17:18:33,169 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b4a80a5-401f-45de-8895-b248977b3bf3/bin/ukojak/data/337cc610b/6180ccc322c741d1b32b1be4b4c5cc76/FLAG631569a1e [2020-12-01 17:18:33,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b4a80a5-401f-45de-8895-b248977b3bf3/bin/ukojak/data/337cc610b/6180ccc322c741d1b32b1be4b4c5cc76 [2020-12-01 17:18:33,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:18:33,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:18:33,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:18:33,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:18:33,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:18:33,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:18:33" (1/1) ... [2020-12-01 17:18:33,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec890aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:18:33, skipping insertion in model container [2020-12-01 17:18:33,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:18:33" (1/1) ... [2020-12-01 17:18:33,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:18:33,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:18:34,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:18:34,444 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:18:34,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:18:34,762 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:18:34,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:18:34 WrapperNode [2020-12-01 17:18:34,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:18:34,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:18:34,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:18:34,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:18:34,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:18:34" (1/1) ... [2020-12-01 17:18:34,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:18:34" (1/1) ... [2020-12-01 17:18:35,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:18:35,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:18:35,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:18:35,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:18:35,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:18:34" (1/1) ... [2020-12-01 17:18:35,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:18:34" (1/1) ... [2020-12-01 17:18:35,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:18:34" (1/1) ... [2020-12-01 17:18:35,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:18:34" (1/1) ... [2020-12-01 17:18:35,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:18:34" (1/1) ... [2020-12-01 17:18:35,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:18:34" (1/1) ... [2020-12-01 17:18:35,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:18:34" (1/1) ... [2020-12-01 17:18:35,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:18:35,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:18:35,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:18:35,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:18:35,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:18:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b4a80a5-401f-45de-8895-b248977b3bf3/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 17:18:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:18:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:18:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:18:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:20:05,376 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:20:05,376 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 17:20:05,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:20:05 BoogieIcfgContainer [2020-12-01 17:20:05,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:20:05,380 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:20:05,380 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:20:05,394 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:20:05,394 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:20:05" (1/1) ... [2020-12-01 17:20:05,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:20:05,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:05,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 17:20:05,441 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 17:20:05,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:20:05,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:05,637 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 17:20:06,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:06,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 17:20:06,224 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 17:20:06,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:20:06,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:07,772 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 17:20:09,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:09,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2020-12-01 17:20:09,678 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2020-12-01 17:20:09,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:20:09,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:12,534 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2020-12-01 17:20:12,733 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2020-12-01 17:20:12,789 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 17:20:13,448 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-12-01 17:20:13,753 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-12-01 17:20:13,902 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-01 17:20:15,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:16,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2020-12-01 17:20:16,000 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2020-12-01 17:20:16,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:20:16,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:18,152 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 17:20:18,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:18,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2020-12-01 17:20:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2020-12-01 17:20:18,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:20:18,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:21,546 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 17:20:21,720 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-01 17:20:21,989 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-01 17:20:32,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:32,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2020-12-01 17:20:32,710 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2020-12-01 17:20:32,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:20:32,712 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-12-01 17:20:32,720 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:20:32,981 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 22 [2020-12-01 17:20:33,139 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 21 [2020-12-01 17:20:33,408 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2020-12-01 17:20:33,660 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2020-12-01 17:20:33,661 INFO L569 CodeCheckObserver]: Invariant with dag size 21 [2020-12-01 17:20:33,674 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:20:33,674 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2020-12-01 17:20:33,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:20:33 ImpRootNode [2020-12-01 17:20:33,676 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:20:33,677 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:20:33,677 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:20:33,677 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:20:33,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:20:05" (3/4) ... [2020-12-01 17:20:33,682 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:20:33,740 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 372 nodes and edges [2020-12-01 17:20:33,747 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 17:20:33,753 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 17:20:33,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:20:34,086 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2b4a80a5-401f-45de-8895-b248977b3bf3/bin/ukojak/witness.graphml [2020-12-01 17:20:34,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:20:34,087 INFO L168 Benchmark]: Toolchain (without parser) took 120746.04 ms. Allocated memory was 90.2 MB in the beginning and 5.7 GB in the end (delta: 5.6 GB). Free memory was 54.3 MB in the beginning and 4.8 GB in the end (delta: -4.7 GB). Peak memory consumption was 838.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:34,088 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 90.2 MB. Free memory was 49.8 MB in the beginning and 49.7 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:20:34,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1419.81 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 54.1 MB in the beginning and 71.9 MB in the end (delta: -17.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:34,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 322.70 ms. Allocated memory is still 117.4 MB. Free memory was 71.9 MB in the beginning and 72.9 MB in the end (delta: -1.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:34,090 INFO L168 Benchmark]: Boogie Preprocessor took 190.27 ms. Allocated memory is still 117.4 MB. Free memory was 72.9 MB in the beginning and 58.4 MB in the end (delta: 14.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:34,090 INFO L168 Benchmark]: RCFGBuilder took 90099.56 ms. Allocated memory was 117.4 MB in the beginning and 5.7 GB in the end (delta: 5.5 GB). Free memory was 58.4 MB in the beginning and 5.2 GB in the end (delta: -5.1 GB). Peak memory consumption was 815.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:34,091 INFO L168 Benchmark]: CodeCheck took 28296.24 ms. Allocated memory is still 5.7 GB. Free memory was 5.2 GB in the beginning and 4.8 GB in the end (delta: 329.3 MB). Peak memory consumption was 328.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:34,091 INFO L168 Benchmark]: Witness Printer took 409.54 ms. Allocated memory is still 5.7 GB. Free memory was 4.8 GB in the beginning and 4.8 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:34,094 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: 27.2s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 204 SDtfs, 412 SDslu, 280 SDs, 0 SdLazy, 1166 SolverSat, 176 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 22.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 529 GetRequests, 470 SyntacticMatches, 7 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1238 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 8848 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: 33]: Loop Invariant Derived loop invariant: (((((a12 <= 4 || a16 <= 9) || 5 < a12) || a15 <= 2) || 3 < a15) || 10 < a16) || 0 < a18 + 156 - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((11 <= a16 || 4 <= a15) || a12 <= 4) || a16 <= 9) || a15 <= 2) || 0 < a18 + 156) || 6 <= a12 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 90.2 MB. Free memory was 49.8 MB in the beginning and 49.7 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1419.81 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 54.1 MB in the beginning and 71.9 MB in the end (delta: -17.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 322.70 ms. Allocated memory is still 117.4 MB. Free memory was 71.9 MB in the beginning and 72.9 MB in the end (delta: -1.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 190.27 ms. Allocated memory is still 117.4 MB. Free memory was 72.9 MB in the beginning and 58.4 MB in the end (delta: 14.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 90099.56 ms. Allocated memory was 117.4 MB in the beginning and 5.7 GB in the end (delta: 5.5 GB). Free memory was 58.4 MB in the beginning and 5.2 GB in the end (delta: -5.1 GB). Peak memory consumption was 815.6 MB. Max. memory is 16.1 GB. * CodeCheck took 28296.24 ms. Allocated memory is still 5.7 GB. Free memory was 5.2 GB in the beginning and 4.8 GB in the end (delta: 329.3 MB). Peak memory consumption was 328.2 MB. Max. memory is 16.1 GB. * Witness Printer took 409.54 ms. Allocated memory is still 5.7 GB. Free memory was 4.8 GB in the beginning and 4.8 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...