./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label02.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_549abf35-4dde-4a2d-bbaf-7be938ac15ef/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_549abf35-4dde-4a2d-bbaf-7be938ac15ef/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_549abf35-4dde-4a2d-bbaf-7be938ac15ef/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_549abf35-4dde-4a2d-bbaf-7be938ac15ef/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label02.c -s /tmp/vcloud-vcloud-master/worker/run_dir_549abf35-4dde-4a2d-bbaf-7be938ac15ef/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_549abf35-4dde-4a2d-bbaf-7be938ac15ef/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 89c62496deb7fbbb2a9c0a2f85e181ab5f3ba0dc ....................................................................................................................................................................................................................................................................... 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 16:13:53,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:13:53,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:13:53,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:13:53,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:13:53,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:13:53,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:13:53,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:13:53,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:13:53,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:13:53,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:13:53,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:13:53,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:13:53,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:13:53,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:13:53,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:13:53,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:13:54,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:13:54,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:13:54,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:13:54,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:13:54,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:13:54,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:13:54,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:13:54,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:13:54,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:13:54,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:13:54,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:13:54,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:13:54,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:13:54,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:13:54,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:13:54,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:13:54,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:13:54,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:13:54,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:13:54,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:13:54,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:13:54,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:13:54,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:13:54,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:13:54,057 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_549abf35-4dde-4a2d-bbaf-7be938ac15ef/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:13:54,112 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:13:54,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:13:54,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:13:54,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:13:54,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:13:54,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:13:54,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:13:54,115 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:13:54,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:13:54,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:13:54,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:13:54,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:13:54,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:13:54,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:13:54,116 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:13:54,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:13:54,124 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:13:54,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:13:54,124 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:13:54,124 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:13:54,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:13:54,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:13:54,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:13:54,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:13:54,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:13:54,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:13:54,126 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:13:54,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:13:54,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:13:54,127 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_549abf35-4dde-4a2d-bbaf-7be938ac15ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_549abf35-4dde-4a2d-bbaf-7be938ac15ef/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89c62496deb7fbbb2a9c0a2f85e181ab5f3ba0dc [2020-12-01 16:13:54,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:13:54,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:13:54,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:13:54,452 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:13:54,453 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:13:54,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_549abf35-4dde-4a2d-bbaf-7be938ac15ef/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label02.c [2020-12-01 16:13:54,519 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_549abf35-4dde-4a2d-bbaf-7be938ac15ef/bin/ukojak/data/1bc1eefad/79b9f91a25cc4fa38cbe87927d74adf6/FLAG5d3ecbd79 [2020-12-01 16:13:55,301 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:13:55,304 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_549abf35-4dde-4a2d-bbaf-7be938ac15ef/sv-benchmarks/c/eca-rers2012/Problem10_label02.c [2020-12-01 16:13:55,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_549abf35-4dde-4a2d-bbaf-7be938ac15ef/bin/ukojak/data/1bc1eefad/79b9f91a25cc4fa38cbe87927d74adf6/FLAG5d3ecbd79 [2020-12-01 16:13:55,379 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_549abf35-4dde-4a2d-bbaf-7be938ac15ef/bin/ukojak/data/1bc1eefad/79b9f91a25cc4fa38cbe87927d74adf6 [2020-12-01 16:13:55,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:13:55,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:13:55,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:13:55,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:13:55,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:13:55,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:13:55" (1/1) ... [2020-12-01 16:13:55,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f027668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:55, skipping insertion in model container [2020-12-01 16:13:55,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:13:55" (1/1) ... [2020-12-01 16:13:55,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:13:55,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:13:55,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:13:55,814 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:13:55,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:13:55,971 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:13:55,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:55 WrapperNode [2020-12-01 16:13:55,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:13:55,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:13:55,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:13:55,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:13:55,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:55" (1/1) ... [2020-12-01 16:13:56,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:55" (1/1) ... [2020-12-01 16:13:56,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:13:56,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:13:56,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:13:56,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:13:56,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:55" (1/1) ... [2020-12-01 16:13:56,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:55" (1/1) ... [2020-12-01 16:13:56,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:55" (1/1) ... [2020-12-01 16:13:56,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:55" (1/1) ... [2020-12-01 16:13:56,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:55" (1/1) ... [2020-12-01 16:13:56,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:55" (1/1) ... [2020-12-01 16:13:56,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:55" (1/1) ... [2020-12-01 16:13:56,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:13:56,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:13:56,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:13:56,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:13:56,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_549abf35-4dde-4a2d-bbaf-7be938ac15ef/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 16:13:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:13:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:13:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:13:56,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:14:06,103 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:14:06,104 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 16:14:06,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:06 BoogieIcfgContainer [2020-12-01 16:14:06,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:14:06,110 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:14:06,113 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:14:06,125 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:14:06,126 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:06" (1/1) ... [2020-12-01 16:14:06,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:14:06,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 16:14:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 16:14:06,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:14:06,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:06,416 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 16:14:06,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:06,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 16:14:06,511 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 16:14:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:14:06,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:07,109 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 16:14:07,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:07,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2020-12-01 16:14:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2020-12-01 16:14:07,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:14:07,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:08,676 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 16:14:10,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:10,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2020-12-01 16:14:10,181 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2020-12-01 16:14:10,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:14:10,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:10,693 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 16:14:11,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:11,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2020-12-01 16:14:11,302 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2020-12-01 16:14:11,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:14:11,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:12,720 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:14:13,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:13,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2020-12-01 16:14:13,563 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2020-12-01 16:14:13,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:14:13,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:14,447 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:14:14,597 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2020-12-01 16:14:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:15,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2020-12-01 16:14:15,149 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2020-12-01 16:14:15,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:14:15,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:16,116 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:14:16,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:16,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 27 states and 50 transitions. [2020-12-01 16:14:16,413 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 50 transitions. [2020-12-01 16:14:16,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:14:16,414 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2020-12-01 16:14:16,421 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:14:16,537 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 16 [2020-12-01 16:14:16,655 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2020-12-01 16:14:16,770 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 18 [2020-12-01 16:14:16,888 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2020-12-01 16:14:16,889 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2020-12-01 16:14:16,901 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2020-12-01 16:14:16,904 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:16,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:14:16 ImpRootNode [2020-12-01 16:14:16,905 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:14:16,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:14:16,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:14:16,906 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:14:16,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:06" (3/4) ... [2020-12-01 16:14:16,910 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:14:16,952 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 181 nodes and edges [2020-12-01 16:14:16,954 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 16:14:16,956 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 16:14:16,958 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:14:17,128 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_549abf35-4dde-4a2d-bbaf-7be938ac15ef/bin/ukojak/witness.graphml [2020-12-01 16:14:17,129 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:14:17,130 INFO L168 Benchmark]: Toolchain (without parser) took 21746.29 ms. Allocated memory was 92.3 MB in the beginning and 1.0 GB in the end (delta: 922.7 MB). Free memory was 69.5 MB in the beginning and 513.4 MB in the end (delta: -443.9 MB). Peak memory consumption was 480.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:17,131 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 75.5 MB. Free memory is still 47.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:14:17,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.34 ms. Allocated memory is still 92.3 MB. Free memory was 69.2 MB in the beginning and 62.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:17,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.68 ms. Allocated memory is still 92.3 MB. Free memory was 62.5 MB in the beginning and 54.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:17,132 INFO L168 Benchmark]: Boogie Preprocessor took 99.68 ms. Allocated memory is still 92.3 MB. Free memory was 54.6 MB in the beginning and 49.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:17,133 INFO L168 Benchmark]: RCFGBuilder took 9865.67 ms. Allocated memory was 92.3 MB in the beginning and 608.2 MB in the end (delta: 515.9 MB). Free memory was 49.3 MB in the beginning and 502.9 MB in the end (delta: -453.6 MB). Peak memory consumption was 193.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:17,133 INFO L168 Benchmark]: CodeCheck took 10795.26 ms. Allocated memory was 608.2 MB in the beginning and 1.0 GB in the end (delta: 406.8 MB). Free memory was 502.9 MB in the beginning and 530.1 MB in the end (delta: -27.2 MB). Peak memory consumption was 380.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:17,134 INFO L168 Benchmark]: Witness Printer took 223.19 ms. Allocated memory is still 1.0 GB. Free memory was 530.1 MB in the beginning and 513.4 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:17,136 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: 10.2s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 812 SDtfs, 1532 SDslu, 1112 SDs, 0 SdLazy, 4604 SolverSat, 676 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 883 GetRequests, 765 SyntacticMatches, 42 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2645 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 16280 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 54/86 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((14 == a4 && 7 <= a19) && a12 == 0) || ((14 == a4 && a12 == 0) && a1 <= 23)) || (((a19 <= 5 || !(a10 == 0)) && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((14 == a4 && (6 < a19 || a19 <= 5)) && a12 == 0) || ((!(a10 == 0) && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 75.5 MB. Free memory is still 47.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 587.34 ms. Allocated memory is still 92.3 MB. Free memory was 69.2 MB in the beginning and 62.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 168.68 ms. Allocated memory is still 92.3 MB. Free memory was 62.5 MB in the beginning and 54.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.68 ms. Allocated memory is still 92.3 MB. Free memory was 54.6 MB in the beginning and 49.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9865.67 ms. Allocated memory was 92.3 MB in the beginning and 608.2 MB in the end (delta: 515.9 MB). Free memory was 49.3 MB in the beginning and 502.9 MB in the end (delta: -453.6 MB). Peak memory consumption was 193.2 MB. Max. memory is 16.1 GB. * CodeCheck took 10795.26 ms. Allocated memory was 608.2 MB in the beginning and 1.0 GB in the end (delta: 406.8 MB). Free memory was 502.9 MB in the beginning and 530.1 MB in the end (delta: -27.2 MB). Peak memory consumption was 380.6 MB. Max. memory is 16.1 GB. * Witness Printer took 223.19 ms. Allocated memory is still 1.0 GB. Free memory was 530.1 MB in the beginning and 513.4 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...