./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label40.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_83f6284c-2c05-4084-b8ae-649d551a77d3/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_83f6284c-2c05-4084-b8ae-649d551a77d3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_83f6284c-2c05-4084-b8ae-649d551a77d3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_83f6284c-2c05-4084-b8ae-649d551a77d3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_83f6284c-2c05-4084-b8ae-649d551a77d3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_83f6284c-2c05-4084-b8ae-649d551a77d3/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 af723d2be74522a51612362d152625588f271a0a .............................................................................................................................................................................................................................................................................................. 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 17:20:39,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:20:39,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:20:39,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:20:39,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:20:39,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:20:39,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:20:39,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:20:39,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:20:39,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:20:39,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:20:39,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:20:39,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:20:39,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:20:39,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:20:39,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:20:39,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:20:39,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:20:39,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:20:39,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:20:39,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:20:39,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:20:39,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:20:39,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:20:39,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:20:39,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:20:39,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:20:39,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:20:39,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:20:39,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:20:39,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:20:39,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:20:39,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:20:39,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:20:39,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:20:39,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:20:39,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:20:39,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:20:39,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:20:39,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:20:39,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:20:39,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_83f6284c-2c05-4084-b8ae-649d551a77d3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:20:39,761 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:20:39,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:20:39,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:20:39,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:20:39,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:20:39,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:20:39,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:20:39,765 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:20:39,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:20:39,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:20:39,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:20:39,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:20:39,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:20:39,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:20:39,768 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:20:39,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:20:39,768 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:20:39,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:20:39,769 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:20:39,769 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:20:39,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:20:39,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:20:39,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:20:39,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:20:39,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:20:39,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:20:39,771 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:20:39,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:20:39,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:20:39,773 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_83f6284c-2c05-4084-b8ae-649d551a77d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_83f6284c-2c05-4084-b8ae-649d551a77d3/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af723d2be74522a51612362d152625588f271a0a [2020-12-01 17:20:40,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:20:40,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:20:40,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:20:40,219 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:20:40,221 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:20:40,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_83f6284c-2c05-4084-b8ae-649d551a77d3/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem16_label40.c [2020-12-01 17:20:40,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83f6284c-2c05-4084-b8ae-649d551a77d3/bin/ukojak/data/9a7198c92/2da9068d8c1641d387146b1f545f99f7/FLAGb649b427d [2020-12-01 17:20:41,327 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:20:41,328 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_83f6284c-2c05-4084-b8ae-649d551a77d3/sv-benchmarks/c/eca-rers2012/Problem16_label40.c [2020-12-01 17:20:41,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83f6284c-2c05-4084-b8ae-649d551a77d3/bin/ukojak/data/9a7198c92/2da9068d8c1641d387146b1f545f99f7/FLAGb649b427d [2020-12-01 17:20:41,889 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_83f6284c-2c05-4084-b8ae-649d551a77d3/bin/ukojak/data/9a7198c92/2da9068d8c1641d387146b1f545f99f7 [2020-12-01 17:20:41,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:20:41,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:20:41,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:20:41,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:20:41,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:20:41,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:20:41" (1/1) ... [2020-12-01 17:20:41,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600d0720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:41, skipping insertion in model container [2020-12-01 17:20:41,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:20:41" (1/1) ... [2020-12-01 17:20:41,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:20:42,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:20:42,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:20:42,905 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:20:43,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:20:43,251 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:20:43,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:43 WrapperNode [2020-12-01 17:20:43,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:20:43,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:20:43,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:20:43,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:20:43,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:43" (1/1) ... [2020-12-01 17:20:43,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:43" (1/1) ... [2020-12-01 17:20:43,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:20:43,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:20:43,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:20:43,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:20:43,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:43" (1/1) ... [2020-12-01 17:20:43,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:43" (1/1) ... [2020-12-01 17:20:43,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:43" (1/1) ... [2020-12-01 17:20:43,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:43" (1/1) ... [2020-12-01 17:20:43,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:43" (1/1) ... [2020-12-01 17:20:43,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:43" (1/1) ... [2020-12-01 17:20:43,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:43" (1/1) ... [2020-12-01 17:20:43,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:20:43,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:20:43,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:20:43,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:20:43,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83f6284c-2c05-4084-b8ae-649d551a77d3/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 17:20:43,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:20:43,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:20:43,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:20:43,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:22:09,116 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:22:09,116 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 17:22:09,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:22:09 BoogieIcfgContainer [2020-12-01 17:22:09,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:22:09,120 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:22:09,121 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:22:09,135 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:22:09,136 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:22:09" (1/1) ... [2020-12-01 17:22:09,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:22:09,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:09,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 17:22:09,203 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 17:22:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:22:09,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:09,546 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 17:22:09,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:09,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 17:22:09,748 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 17:22:09,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:22:09,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:11,834 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 17:22:22,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:22,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2020-12-01 17:22:22,923 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2020-12-01 17:22:22,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:22:22,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:26,252 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2020-12-01 17:22:26,399 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 17:22:27,003 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-12-01 17:22:27,294 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-12-01 17:22:29,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2020-12-01 17:22:29,918 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2020-12-01 17:22:29,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:22:29,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:32,496 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 17:22:33,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:33,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2020-12-01 17:22:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2020-12-01 17:22:33,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:22:33,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:37,703 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2020-12-01 17:22:39,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:39,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 35 states and 70 transitions. [2020-12-01 17:22:39,076 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 70 transitions. [2020-12-01 17:22:39,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:22:39,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:43,025 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:43,196 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-12-01 17:22:43,359 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2020-12-01 17:22:43,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:43,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 75 transitions. [2020-12-01 17:22:43,921 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 75 transitions. [2020-12-01 17:22:43,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:22:43,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:51,261 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 21 [2020-12-01 17:22:51,766 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:51,941 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 23 [2020-12-01 17:22:54,502 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 14 [2020-12-01 17:22:55,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:55,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 46 states and 93 transitions. [2020-12-01 17:22:55,598 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 93 transitions. [2020-12-01 17:22:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:22:55,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:02,010 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:23:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:03,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 105 transitions. [2020-12-01 17:23:03,809 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 105 transitions. [2020-12-01 17:23:03,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:23:03,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:09,433 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:23:09,609 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-12-01 17:23:10,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:10,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 47 states and 103 transitions. [2020-12-01 17:23:10,762 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 103 transitions. [2020-12-01 17:23:10,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:23:10,764 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2020-12-01 17:23:10,771 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:23:11,142 WARN L197 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 28 [2020-12-01 17:23:11,636 WARN L197 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 29 [2020-12-01 17:23:11,962 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2020-12-01 17:23:12,340 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 29 [2020-12-01 17:23:12,341 INFO L569 CodeCheckObserver]: Invariant with dag size 26 [2020-12-01 17:23:12,366 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:23:12,368 INFO L569 CodeCheckObserver]: Invariant with dag size 26 [2020-12-01 17:23:12,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:23:12 ImpRootNode [2020-12-01 17:23:12,372 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:23:12,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:23:12,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:23:12,374 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:23:12,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:22:09" (3/4) ... [2020-12-01 17:23:12,378 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:23:12,432 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 371 nodes and edges [2020-12-01 17:23:12,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-12-01 17:23:12,446 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 17:23:12,452 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 17:23:12,791 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_83f6284c-2c05-4084-b8ae-649d551a77d3/bin/ukojak/witness.graphml [2020-12-01 17:23:12,791 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:23:12,792 INFO L168 Benchmark]: Toolchain (without parser) took 150895.00 ms. Allocated memory was 109.1 MB in the beginning and 7.1 GB in the end (delta: 7.0 GB). Free memory was 75.8 MB in the beginning and 6.5 GB in the end (delta: -6.4 GB). Peak memory consumption was 575.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:23:12,793 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory is still 37.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:23:12,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1350.28 ms. Allocated memory is still 109.1 MB. Free memory was 75.1 MB in the beginning and 80.0 MB in the end (delta: -4.9 MB). Peak memory consumption was 45.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:23:12,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 218.78 ms. Allocated memory is still 109.1 MB. Free memory was 80.0 MB in the beginning and 56.5 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:23:12,795 INFO L168 Benchmark]: Boogie Preprocessor took 337.09 ms. Allocated memory is still 109.1 MB. Free memory was 56.5 MB in the beginning and 62.4 MB in the end (delta: -5.8 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:23:12,796 INFO L168 Benchmark]: RCFGBuilder took 85306.95 ms. Allocated memory was 109.1 MB in the beginning and 7.1 GB in the end (delta: 7.0 GB). Free memory was 62.4 MB in the beginning and 6.6 GB in the end (delta: -6.5 GB). Peak memory consumption was 790.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:23:12,796 INFO L168 Benchmark]: CodeCheck took 63251.78 ms. Allocated memory is still 7.1 GB. Free memory was 6.6 GB in the beginning and 6.5 GB in the end (delta: 65.0 MB). Peak memory consumption was 765.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:23:12,797 INFO L168 Benchmark]: Witness Printer took 417.99 ms. Allocated memory is still 7.1 GB. Free memory was 6.5 GB in the beginning and 6.5 GB in the end (delta: 40.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:23:12,800 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: 61.6s, OverallIterations: 10, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3276 SDtfs, 6426 SDslu, 4504 SDs, 0 SdLazy, 19256 SolverSat, 2818 SolverUnsat, 256 SolverUnknown, 0 SolverNotchecked, 108.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1444 GetRequests, 1288 SyntacticMatches, 56 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5795 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 19.6s SatisfiabilityAnalysisTime, 16.3s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 32536 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 55/192 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: ((((((11 <= a16 || a16 == 9) || !(a15 <= 3)) || a15 <= 2) || 0 <= a18 + 78) || !(5 == a12)) || a18 + 156 <= 0) || a16 <= 8 - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((11 <= a16 || a16 == 9) || !(a15 <= 3)) || a15 <= 2) || 0 <= a18 + 78) || a18 + 156 <= 0) || !(5 == a12)) || a16 <= 8 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory is still 37.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1350.28 ms. Allocated memory is still 109.1 MB. Free memory was 75.1 MB in the beginning and 80.0 MB in the end (delta: -4.9 MB). Peak memory consumption was 45.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 218.78 ms. Allocated memory is still 109.1 MB. Free memory was 80.0 MB in the beginning and 56.5 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 337.09 ms. Allocated memory is still 109.1 MB. Free memory was 56.5 MB in the beginning and 62.4 MB in the end (delta: -5.8 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 85306.95 ms. Allocated memory was 109.1 MB in the beginning and 7.1 GB in the end (delta: 7.0 GB). Free memory was 62.4 MB in the beginning and 6.6 GB in the end (delta: -6.5 GB). Peak memory consumption was 790.8 MB. Max. memory is 16.1 GB. * CodeCheck took 63251.78 ms. Allocated memory is still 7.1 GB. Free memory was 6.6 GB in the beginning and 6.5 GB in the end (delta: 65.0 MB). Peak memory consumption was 765.5 MB. Max. memory is 16.1 GB. * Witness Printer took 417.99 ms. Allocated memory is still 7.1 GB. Free memory was 6.5 GB in the beginning and 6.5 GB in the end (delta: 40.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...