./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ --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 dabfb11a5597c878c4111fedcc12f0c41145d68b0087981aef78b30abe61727d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:36:31,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:36:31,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:36:31,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:36:31,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:36:31,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:36:31,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:36:31,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:36:31,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:36:31,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:36:31,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:36:31,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:36:31,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:36:31,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:36:31,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:36:31,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:36:31,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:36:31,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:36:31,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:36:31,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:36:31,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:36:31,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:36:31,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:36:31,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:36:31,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:36:31,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:36:31,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:36:31,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:36:31,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:36:31,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:36:31,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:36:31,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:36:31,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:36:31,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:36:31,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:36:31,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:36:31,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:36:31,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:36:31,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:36:31,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:36:31,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:36:31,425 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:36:31,477 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:36:31,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:36:31,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:36:31,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:36:31,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:36:31,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:36:31,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:36:31,486 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:36:31,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:36:31,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:36:31,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:36:31,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:36:31,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:36:31,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:36:31,495 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:36:31,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:36:31,495 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:36:31,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:36:31,496 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:36:31,496 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:36:31,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:36:31,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:36:31,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:36:31,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:36:31,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:36:31,497 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:36:31,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:36:31,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:36:31,498 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_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dabfb11a5597c878c4111fedcc12f0c41145d68b0087981aef78b30abe61727d [2021-11-23 01:36:31,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:36:31,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:36:31,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:36:31,873 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:36:31,874 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:36:31,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem10_label02.c [2021-11-23 01:36:31,962 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ/data/9ea178bbb/1f6864c26dba4e3082864eec5cee6189/FLAG206ef6276 [2021-11-23 01:36:32,601 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:36:32,602 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/sv-benchmarks/c/eca-rers2012/Problem10_label02.c [2021-11-23 01:36:32,614 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ/data/9ea178bbb/1f6864c26dba4e3082864eec5cee6189/FLAG206ef6276 [2021-11-23 01:36:32,904 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ/data/9ea178bbb/1f6864c26dba4e3082864eec5cee6189 [2021-11-23 01:36:32,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:36:32,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:36:32,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:36:32,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:36:32,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:36:32,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:32" (1/1) ... [2021-11-23 01:36:32,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719dd6a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:32, skipping insertion in model container [2021-11-23 01:36:32,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:32" (1/1) ... [2021-11-23 01:36:32,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:36:32,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:36:33,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/sv-benchmarks/c/eca-rers2012/Problem10_label02.c[6766,6779] [2021-11-23 01:36:33,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:36:33,429 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:36:33,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/sv-benchmarks/c/eca-rers2012/Problem10_label02.c[6766,6779] [2021-11-23 01:36:33,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:36:33,652 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:36:33,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:33 WrapperNode [2021-11-23 01:36:33,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:36:33,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:36:33,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:36:33,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:36:33,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:33" (1/1) ... [2021-11-23 01:36:33,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:33" (1/1) ... [2021-11-23 01:36:33,744 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2021-11-23 01:36:33,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:36:33,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:36:33,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:36:33,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:36:33,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:33" (1/1) ... [2021-11-23 01:36:33,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:33" (1/1) ... [2021-11-23 01:36:33,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:33" (1/1) ... [2021-11-23 01:36:33,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:33" (1/1) ... [2021-11-23 01:36:33,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:33" (1/1) ... [2021-11-23 01:36:33,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:33" (1/1) ... [2021-11-23 01:36:33,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:33" (1/1) ... [2021-11-23 01:36:33,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:36:33,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:36:33,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:36:33,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:36:33,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:33" (1/1) ... [2021-11-23 01:36:33,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:36:33,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:36:33,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:36:33,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:36:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:36:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:36:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:36:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:36:34,028 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:36:34,030 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:36:35,153 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:36:36,920 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:36:36,920 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:36:36,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:36 BoogieIcfgContainer [2021-11-23 01:36:36,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:36:36,924 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:36:36,924 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:36:36,934 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:36:36,934 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:36" (1/1) ... [2021-11-23 01:36:36,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:36:37,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:37,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:36:37,039 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:36:37,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:36:37,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:37,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:37,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:37,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:37,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 01:36:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 01:36:37,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:36:37,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:37,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:37,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:38,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:38,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 01:36:38,165 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 01:36:38,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:36:38,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:38,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:38,895 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:39,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:39,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2021-11-23 01:36:39,693 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2021-11-23 01:36:39,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:36:39,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:39,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:40,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 01:36:40,454 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 01:36:40,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:36:40,455 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-11-23 01:36:40,469 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:36:40,688 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2021-11-23 01:36:40,700 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2021-11-23 01:36:40,701 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:36:40,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:36:40 ImpRootNode [2021-11-23 01:36:40,702 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:36:40,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:36:40,703 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:36:40,703 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:36:40,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:36" (3/4) ... [2021-11-23 01:36:40,707 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:36:40,728 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 184 nodes and edges [2021-11-23 01:36:40,730 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-23 01:36:40,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-23 01:36:40,734 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:36:40,871 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:36:40,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:36:40,872 INFO L158 Benchmark]: Toolchain (without parser) took 7962.63ms. Allocated memory was 111.1MB in the beginning and 343.9MB in the end (delta: 232.8MB). Free memory was 67.7MB in the beginning and 169.1MB in the end (delta: -101.5MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB. [2021-11-23 01:36:40,872 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 85.3MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:36:40,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 742.37ms. Allocated memory is still 111.1MB. Free memory was 67.5MB in the beginning and 68.4MB in the end (delta: -935.0kB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2021-11-23 01:36:40,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.08ms. Allocated memory is still 111.1MB. Free memory was 68.4MB in the beginning and 60.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:36:40,873 INFO L158 Benchmark]: Boogie Preprocessor took 104.02ms. Allocated memory is still 111.1MB. Free memory was 60.4MB in the beginning and 55.4MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:36:40,874 INFO L158 Benchmark]: RCFGBuilder took 3072.92ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 55.4MB in the beginning and 70.1MB in the end (delta: -14.6MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2021-11-23 01:36:40,874 INFO L158 Benchmark]: CodeCheck took 3778.08ms. Allocated memory was 172.0MB in the beginning and 343.9MB in the end (delta: 172.0MB). Free memory was 70.1MB in the beginning and 185.8MB in the end (delta: -115.8MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2021-11-23 01:36:40,874 INFO L158 Benchmark]: Witness Printer took 168.46ms. Allocated memory is still 343.9MB. Free memory was 185.8MB in the beginning and 169.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 01:36:40,877 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. OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 98 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 192 IncrementalHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 42 mSDtfsCounter, 192 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 360 GetRequests, 303 SyntacticMatches, 11 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 385 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 8/23 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: 191]: call to reach_error is unreachable For all program executions holds that call to reach_error is 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 || !(a10 == 0)) && 14 == a4) && a12 == 0) || ((7 <= a19 && 14 == a4) && a12 == 0)) || ((a1 <= 23 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((6 < a19 || a19 <= 5) || !(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 0.32ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 85.3MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 742.37ms. Allocated memory is still 111.1MB. Free memory was 67.5MB in the beginning and 68.4MB in the end (delta: -935.0kB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.08ms. Allocated memory is still 111.1MB. Free memory was 68.4MB in the beginning and 60.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.02ms. Allocated memory is still 111.1MB. Free memory was 60.4MB in the beginning and 55.4MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3072.92ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 55.4MB in the beginning and 70.1MB in the end (delta: -14.6MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. * CodeCheck took 3778.08ms. Allocated memory was 172.0MB in the beginning and 343.9MB in the end (delta: 172.0MB). Free memory was 70.1MB in the beginning and 185.8MB in the end (delta: -115.8MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * Witness Printer took 168.46ms. Allocated memory is still 343.9MB. Free memory was 185.8MB in the beginning and 169.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:36:40,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565fa999-4d79-42f7-8abe-08b99d910090/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE