./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI --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 8d19293d6c97292eadc216d0bdf76553228738bf7b7f58bcd2246dd2ebdace18 ............................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:07:41,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:07:41,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:07:41,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:07:41,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:07:41,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:07:41,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:07:41,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:07:41,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:07:41,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:07:41,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:07:41,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:07:41,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:07:41,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:07:41,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:07:41,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:07:41,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:07:41,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:07:41,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:07:41,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:07:41,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:07:41,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:07:41,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:07:41,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:07:41,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:07:41,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:07:41,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:07:41,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:07:41,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:07:41,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:07:41,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:07:41,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:07:41,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:07:41,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:07:41,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:07:41,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:07:41,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:07:41,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:07:41,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:07:41,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:07:41,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:07:41,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:07:41,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:07:41,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:07:41,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:07:41,467 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:07:41,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:07:41,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:07:41,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:07:41,468 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:07:41,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:07:41,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:07:41,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:07:41,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:07:41,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:07:41,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:07:41,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:07:41,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:07:41,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:07:41,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:07:41,478 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:07:41,478 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:07:41,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:07:41,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:07:41,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:07:41,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:07:41,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:07:41,479 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:07:41,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:07:41,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:07:41,480 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_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d19293d6c97292eadc216d0bdf76553228738bf7b7f58bcd2246dd2ebdace18 [2021-10-29 03:07:41,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:07:41,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:07:41,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:07:41,768 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:07:41,769 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:07:41,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem10_label19.c [2021-10-29 03:07:41,850 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI/data/6ab7c1076/13ef2f3510a642958e2a24de5bff95e1/FLAG971cfe091 [2021-10-29 03:07:42,441 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:07:42,441 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/sv-benchmarks/c/eca-rers2012/Problem10_label19.c [2021-10-29 03:07:42,479 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI/data/6ab7c1076/13ef2f3510a642958e2a24de5bff95e1/FLAG971cfe091 [2021-10-29 03:07:42,672 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI/data/6ab7c1076/13ef2f3510a642958e2a24de5bff95e1 [2021-10-29 03:07:42,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:07:42,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:07:42,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:07:42,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:07:42,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:07:42,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:07:42" (1/1) ... [2021-10-29 03:07:42,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ebf3b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:42, skipping insertion in model container [2021-10-29 03:07:42,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:07:42" (1/1) ... [2021-10-29 03:07:42,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:07:42,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:07:42,966 WARN L228 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_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/sv-benchmarks/c/eca-rers2012/Problem10_label19.c[3486,3499] [2021-10-29 03:07:43,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:07:43,172 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:07:43,194 WARN L228 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_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/sv-benchmarks/c/eca-rers2012/Problem10_label19.c[3486,3499] [2021-10-29 03:07:43,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:07:43,288 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:07:43,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:43 WrapperNode [2021-10-29 03:07:43,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:07:43,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:07:43,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:07:43,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:07:43,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:43" (1/1) ... [2021-10-29 03:07:43,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:43" (1/1) ... [2021-10-29 03:07:43,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:07:43,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:07:43,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:07:43,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:07:43,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:43" (1/1) ... [2021-10-29 03:07:43,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:43" (1/1) ... [2021-10-29 03:07:43,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:43" (1/1) ... [2021-10-29 03:07:43,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:43" (1/1) ... [2021-10-29 03:07:43,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:43" (1/1) ... [2021-10-29 03:07:43,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:43" (1/1) ... [2021-10-29 03:07:43,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:43" (1/1) ... [2021-10-29 03:07:43,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:07:43,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:07:43,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:07:43,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:07:43,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:07:43" (1/1) ... [2021-10-29 03:07:43,548 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:07:43,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:07:43,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:07:43,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:07:43,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:07:43,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:07:43,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:07:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:07:52,557 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:07:52,558 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:07:52,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:07:52 BoogieIcfgContainer [2021-10-29 03:07:52,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:07:52,561 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:07:52,561 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:07:52,570 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:07:52,570 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:07:52" (1/1) ... [2021-10-29 03:07:52,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:07:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:52,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:07:52,608 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:07:52,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:07:52,610 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:52,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:52,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:07:52,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:52,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:07:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:07:52,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:07:52,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:52,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:07:53,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:53,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-10-29 03:07:53,653 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-10-29 03:07:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:07:53,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:53,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:54,145 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:07:54,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:54,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2021-10-29 03:07:54,596 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2021-10-29 03:07:54,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:07:54,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:54,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:55,060 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:07:55,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:55,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2021-10-29 03:07:55,209 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2021-10-29 03:07:55,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:07:55,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:55,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:56,697 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:07:57,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:57,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2021-10-29 03:07:57,549 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2021-10-29 03:07:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:07:57,550 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:57,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:58,539 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:07:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:07:59,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2021-10-29 03:07:59,023 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2021-10-29 03:07:59,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:07:59,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:07:59,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:07:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:07:59,963 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:08:00,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:00,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2021-10-29 03:08:00,160 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2021-10-29 03:08:00,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:08:00,160 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2021-10-29 03:08:00,167 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:08:00,388 INFO L565 CodeCheckObserver]: Invariant with dag size 22 [2021-10-29 03:08:00,399 INFO L565 CodeCheckObserver]: Invariant with dag size 18 [2021-10-29 03:08:00,402 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:08:00,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:08:00 ImpRootNode [2021-10-29 03:08:00,403 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:08:00,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:08:00,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:08:00,404 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:08:00,405 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:07:52" (3/4) ... [2021-10-29 03:08:00,413 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:08:00,446 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 182 nodes and edges [2021-10-29 03:08:00,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-29 03:08:00,450 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:08:00,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:08:00,627 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:08:00,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:08:00,628 INFO L168 Benchmark]: Toolchain (without parser) took 17951.72 ms. Allocated memory was 102.8 MB in the beginning and 438.3 MB in the end (delta: 335.5 MB). Free memory was 67.2 MB in the beginning and 140.3 MB in the end (delta: -73.1 MB). Peak memory consumption was 261.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:00,629 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:08:00,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.69 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 67.0 MB in the beginning and 92.5 MB in the end (delta: -25.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:00,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.38 ms. Allocated memory is still 134.2 MB. Free memory was 92.5 MB in the beginning and 84.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:00,630 INFO L168 Benchmark]: Boogie Preprocessor took 114.33 ms. Allocated memory is still 134.2 MB. Free memory was 84.1 MB in the beginning and 79.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:00,631 INFO L168 Benchmark]: RCFGBuilder took 9021.17 ms. Allocated memory was 134.2 MB in the beginning and 268.4 MB in the end (delta: 134.2 MB). Free memory was 79.3 MB in the beginning and 100.9 MB in the end (delta: -21.6 MB). Peak memory consumption was 143.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:00,631 INFO L168 Benchmark]: CodeCheck took 7841.99 ms. Allocated memory was 268.4 MB in the beginning and 438.3 MB in the end (delta: 169.9 MB). Free memory was 100.9 MB in the beginning and 156.0 MB in the end (delta: -55.1 MB). Peak memory consumption was 115.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:00,632 INFO L168 Benchmark]: Witness Printer took 223.84 ms. Allocated memory is still 438.3 MB. Free memory was 156.0 MB in the beginning and 140.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:00,634 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: 7.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 788 SDtfs, 1568 SDslu, 1064 SDs, 0 SdLazy, 4062 SolverSat, 630 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 852 GetRequests, 740 SyntacticMatches, 44 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1996 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 793 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 36/86 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: 101]: 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: ((((8 <= a19 && 14 == a4) && a12 == 0) || ((a19 <= 6 && 14 == a4) && a12 == 0)) || ((14 == a4 && a12 == 0) && 23 <= a1)) || ((14 == a4 && a12 == 0) && !(a10 == 0)) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((218 < a1 || !(7 == a19)) || !(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 0.26 ms. Allocated memory is still 102.8 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 609.69 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 67.0 MB in the beginning and 92.5 MB in the end (delta: -25.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 132.38 ms. Allocated memory is still 134.2 MB. Free memory was 92.5 MB in the beginning and 84.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 114.33 ms. Allocated memory is still 134.2 MB. Free memory was 84.1 MB in the beginning and 79.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9021.17 ms. Allocated memory was 134.2 MB in the beginning and 268.4 MB in the end (delta: 134.2 MB). Free memory was 79.3 MB in the beginning and 100.9 MB in the end (delta: -21.6 MB). Peak memory consumption was 143.7 MB. Max. memory is 16.1 GB. * CodeCheck took 7841.99 ms. Allocated memory was 268.4 MB in the beginning and 438.3 MB in the end (delta: 169.9 MB). Free memory was 100.9 MB in the beginning and 156.0 MB in the end (delta: -55.1 MB). Peak memory consumption was 115.8 MB. Max. memory is 16.1 GB. * Witness Printer took 223.84 ms. Allocated memory is still 438.3 MB. Free memory was 156.0 MB in the beginning and 140.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:08:00,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4e4cb3d-7336-4e0e-af00-cc0e3a9598cd/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...