./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label14.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_d04c2ecd-0eb6-4cb3-b208-42e197d7e54d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d04c2ecd-0eb6-4cb3-b208-42e197d7e54d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d04c2ecd-0eb6-4cb3-b208-42e197d7e54d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d04c2ecd-0eb6-4cb3-b208-42e197d7e54d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label14.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d04c2ecd-0eb6-4cb3-b208-42e197d7e54d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d04c2ecd-0eb6-4cb3-b208-42e197d7e54d/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 017d3654e23edd78942e40c40139f0cd7a1f3659 .......................................................................................................................................................................................................................................................................... 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 17:27:48,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:27:48,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:27:49,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:27:49,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:27:49,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:27:49,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:27:49,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:27:49,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:27:49,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:27:49,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:27:49,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:27:49,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:27:49,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:27:49,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:27:49,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:27:49,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:27:49,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:27:49,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:27:49,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:27:49,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:27:49,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:27:49,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:27:49,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:27:49,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:27:49,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:27:49,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:27:49,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:27:49,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:27:49,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:27:49,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:27:49,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:27:49,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:27:49,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:27:49,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:27:49,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:27:49,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:27:49,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:27:49,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:27:49,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:27:49,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:27:49,125 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d04c2ecd-0eb6-4cb3-b208-42e197d7e54d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:27:49,174 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:27:49,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:27:49,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:27:49,177 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:27:49,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:27:49,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:27:49,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:27:49,179 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:27:49,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:27:49,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:27:49,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:27:49,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:27:49,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:27:49,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:27:49,181 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:27:49,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:27:49,182 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:27:49,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:27:49,182 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:27:49,182 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:27:49,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:27:49,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:27:49,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:27:49,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:27:49,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:27:49,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:27:49,184 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:27:49,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:27:49,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:27:49,185 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_d04c2ecd-0eb6-4cb3-b208-42e197d7e54d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d04c2ecd-0eb6-4cb3-b208-42e197d7e54d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 017d3654e23edd78942e40c40139f0cd7a1f3659 [2020-12-01 17:27:49,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:27:49,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:27:49,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:27:49,610 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:27:49,611 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:27:49,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d04c2ecd-0eb6-4cb3-b208-42e197d7e54d/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label14.c [2020-12-01 17:27:49,698 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d04c2ecd-0eb6-4cb3-b208-42e197d7e54d/bin/ukojak/data/ada0a5124/b6e74d67c7c944649d11a9826f7fc35d/FLAG57eb3d957 [2020-12-01 17:27:50,339 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:27:50,354 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d04c2ecd-0eb6-4cb3-b208-42e197d7e54d/sv-benchmarks/c/eca-rers2012/Problem10_label14.c [2020-12-01 17:27:50,377 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d04c2ecd-0eb6-4cb3-b208-42e197d7e54d/bin/ukojak/data/ada0a5124/b6e74d67c7c944649d11a9826f7fc35d/FLAG57eb3d957 [2020-12-01 17:27:50,677 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d04c2ecd-0eb6-4cb3-b208-42e197d7e54d/bin/ukojak/data/ada0a5124/b6e74d67c7c944649d11a9826f7fc35d [2020-12-01 17:27:50,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:27:50,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:27:50,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:27:50,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:27:50,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:27:50,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:27:50" (1/1) ... [2020-12-01 17:27:50,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49815a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:50, skipping insertion in model container [2020-12-01 17:27:50,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:27:50" (1/1) ... [2020-12-01 17:27:50,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:27:50,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:27:51,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:27:51,197 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:27:51,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:27:51,410 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:27:51,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51 WrapperNode [2020-12-01 17:27:51,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:27:51,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:27:51,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:27:51,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:27:51,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:27:51,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:27:51,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:27:51,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:27:51,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:27:51,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:27:51,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:27:51,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:27:51,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d04c2ecd-0eb6-4cb3-b208-42e197d7e54d/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 17:27:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:27:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:27:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:27:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:28:00,964 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:28:00,964 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 17:28:00,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:28:00 BoogieIcfgContainer [2020-12-01 17:28:00,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:28:00,971 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:28:00,972 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:28:00,982 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:28:00,982 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:28:00" (1/1) ... [2020-12-01 17:28:00,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:28:01,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:01,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 17:28:01,033 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 17:28:01,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:28:01,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:01,279 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 17:28:01,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:01,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 17:28:01,373 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 17:28:01,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:28:01,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:01,840 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 17:28:02,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2020-12-01 17:28:02,205 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2020-12-01 17:28:02,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:28:02,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:03,672 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 152 [2020-12-01 17:28:03,839 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2020-12-01 17:28:03,907 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 17:28:04,547 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-12-01 17:28:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:05,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2020-12-01 17:28:05,102 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2020-12-01 17:28:05,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:28:05,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:05,966 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 17:28:06,083 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 22 [2020-12-01 17:28:06,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:06,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2020-12-01 17:28:06,344 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2020-12-01 17:28:06,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:28:06,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:07,078 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:28:07,813 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-12-01 17:28:08,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:08,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2020-12-01 17:28:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2020-12-01 17:28:08,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:28:08,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:09,182 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:28:09,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:09,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2020-12-01 17:28:09,526 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2020-12-01 17:28:09,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:28:09,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:10,315 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 17:28:10,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:10,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2020-12-01 17:28:10,973 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2020-12-01 17:28:10,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:28:10,974 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2020-12-01 17:28:10,986 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:28:11,157 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2020-12-01 17:28:11,319 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2020-12-01 17:28:11,451 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2020-12-01 17:28:11,541 INFO L569 CodeCheckObserver]: Invariant with dag size 23 [2020-12-01 17:28:11,553 INFO L569 CodeCheckObserver]: Invariant with dag size 26 [2020-12-01 17:28:11,555 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:28:11,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:28:11 ImpRootNode [2020-12-01 17:28:11,556 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:28:11,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:28:11,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:28:11,557 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:28:11,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:28:00" (3/4) ... [2020-12-01 17:28:11,561 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:28:11,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2020-12-01 17:28:11,590 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-12-01 17:28:11,597 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 17:28:11,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 17:28:11,789 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d04c2ecd-0eb6-4cb3-b208-42e197d7e54d/bin/ukojak/witness.graphml [2020-12-01 17:28:11,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:28:11,791 INFO L168 Benchmark]: Toolchain (without parser) took 21106.97 ms. Allocated memory was 96.5 MB in the beginning and 675.3 MB in the end (delta: 578.8 MB). Free memory was 52.2 MB in the beginning and 385.9 MB in the end (delta: -333.7 MB). Peak memory consumption was 246.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:28:11,791 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory was 70.7 MB in the beginning and 70.6 MB in the end (delta: 117.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:28:11,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.73 ms. Allocated memory was 96.5 MB in the beginning and 136.3 MB in the end (delta: 39.8 MB). Free memory was 52.0 MB in the beginning and 95.5 MB in the end (delta: -43.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:28:11,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.18 ms. Allocated memory is still 136.3 MB. Free memory was 95.5 MB in the beginning and 87.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:28:11,793 INFO L168 Benchmark]: Boogie Preprocessor took 131.43 ms. Allocated memory is still 136.3 MB. Free memory was 87.1 MB in the beginning and 81.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:28:11,793 INFO L168 Benchmark]: RCFGBuilder took 9288.92 ms. Allocated memory was 136.3 MB in the beginning and 425.7 MB in the end (delta: 289.4 MB). Free memory was 81.9 MB in the beginning and 224.6 MB in the end (delta: -142.7 MB). Peak memory consumption was 150.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:28:11,794 INFO L168 Benchmark]: CodeCheck took 10584.74 ms. Allocated memory was 425.7 MB in the beginning and 675.3 MB in the end (delta: 249.6 MB). Free memory was 224.6 MB in the beginning and 402.7 MB in the end (delta: -178.1 MB). Peak memory consumption was 71.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:28:11,794 INFO L168 Benchmark]: Witness Printer took 233.23 ms. Allocated memory is still 675.3 MB. Free memory was 402.7 MB in the beginning and 385.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:28:11,797 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: 9.9s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 780 SDtfs, 1514 SDslu, 1048 SDs, 0 SdLazy, 4104 SolverSat, 570 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 910 GetRequests, 794 SyntacticMatches, 48 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2155 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 17468 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 48/101 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: (((a19 <= 5 && 14 == a4) && a12 == 0) || ((14 == a4 && 7 <= a19) && a12 == 0)) || (((a1 <= 218 || !(a10 == 3)) && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((a1 + 13 <= 0 || 38 < a1) && a1 <= 218) || !(a10 == 3)) || !(a19 == 6)) && 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 0.32 ms. Allocated memory is still 96.5 MB. Free memory was 70.7 MB in the beginning and 70.6 MB in the end (delta: 117.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 724.73 ms. Allocated memory was 96.5 MB in the beginning and 136.3 MB in the end (delta: 39.8 MB). Free memory was 52.0 MB in the beginning and 95.5 MB in the end (delta: -43.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 134.18 ms. Allocated memory is still 136.3 MB. Free memory was 95.5 MB in the beginning and 87.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 131.43 ms. Allocated memory is still 136.3 MB. Free memory was 87.1 MB in the beginning and 81.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9288.92 ms. Allocated memory was 136.3 MB in the beginning and 425.7 MB in the end (delta: 289.4 MB). Free memory was 81.9 MB in the beginning and 224.6 MB in the end (delta: -142.7 MB). Peak memory consumption was 150.8 MB. Max. memory is 16.1 GB. * CodeCheck took 10584.74 ms. Allocated memory was 425.7 MB in the beginning and 675.3 MB in the end (delta: 249.6 MB). Free memory was 224.6 MB in the beginning and 402.7 MB in the end (delta: -178.1 MB). Peak memory consumption was 71.5 MB. Max. memory is 16.1 GB. * Witness Printer took 233.23 ms. Allocated memory is still 675.3 MB. Free memory was 402.7 MB in the beginning and 385.9 MB in the end (delta: 16.8 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...