./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label04.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_3ff35212-ce96-42a6-9279-baf5f5d83d20/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff35212-ce96-42a6-9279-baf5f5d83d20/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_3ff35212-ce96-42a6-9279-baf5f5d83d20/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff35212-ce96-42a6-9279-baf5f5d83d20/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff35212-ce96-42a6-9279-baf5f5d83d20/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_3ff35212-ce96-42a6-9279-baf5f5d83d20/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 fbc8b86e86cd6737c503bef017b2b1abd25895fb1927b426e7290e477fc0b63c .................................................................................................................................................................................................................................................................................................... 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 03:38:55,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:38:55,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:38:55,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:38:55,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:38:55,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:38:55,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:38:55,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:38:55,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:38:55,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:38:55,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:38:55,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:38:55,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:38:55,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:38:55,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:38:55,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:38:55,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:38:55,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:38:55,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:38:55,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:38:55,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:38:55,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:38:55,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:38:55,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:38:55,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:38:55,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:38:55,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:38:55,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:38:55,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:38:55,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:38:55,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:38:55,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:38:55,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:38:55,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:38:55,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:38:55,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:38:55,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:38:55,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:38:55,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:38:55,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:38:55,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:38:55,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff35212-ce96-42a6-9279-baf5f5d83d20/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:38:55,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:38:55,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:38:55,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:38:55,275 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:38:55,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:38:55,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:38:55,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:38:55,278 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:38:55,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:38:55,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:38:55,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:38:55,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:38:55,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:38:55,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:38:55,280 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:38:55,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:38:55,280 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:38:55,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:38:55,281 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:38:55,281 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:38:55,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:38:55,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:38:55,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:38:55,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:38:55,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:38:55,291 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:38:55,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:38:55,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:38:55,292 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_3ff35212-ce96-42a6-9279-baf5f5d83d20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff35212-ce96-42a6-9279-baf5f5d83d20/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbc8b86e86cd6737c503bef017b2b1abd25895fb1927b426e7290e477fc0b63c [2021-10-29 03:38:55,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:38:55,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:38:55,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:38:55,647 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:38:55,649 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:38:55,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff35212-ce96-42a6-9279-baf5f5d83d20/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem14_label04.c [2021-10-29 03:38:55,762 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff35212-ce96-42a6-9279-baf5f5d83d20/bin/ukojak-Rh5K9KB4LI/data/4e156bae9/5a4ffa4af92d41f99175788ba91bc469/FLAGc57346db0 [2021-10-29 03:38:56,418 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:38:56,419 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff35212-ce96-42a6-9279-baf5f5d83d20/sv-benchmarks/c/eca-rers2012/Problem14_label04.c [2021-10-29 03:38:56,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff35212-ce96-42a6-9279-baf5f5d83d20/bin/ukojak-Rh5K9KB4LI/data/4e156bae9/5a4ffa4af92d41f99175788ba91bc469/FLAGc57346db0 [2021-10-29 03:38:56,621 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff35212-ce96-42a6-9279-baf5f5d83d20/bin/ukojak-Rh5K9KB4LI/data/4e156bae9/5a4ffa4af92d41f99175788ba91bc469 [2021-10-29 03:38:56,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:38:56,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:38:56,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:38:56,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:38:56,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:38:56,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:38:56" (1/1) ... [2021-10-29 03:38:56,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3410a606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:38:56, skipping insertion in model container [2021-10-29 03:38:56,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:38:56" (1/1) ... [2021-10-29 03:38:56,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:38:56,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:38:56,997 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_3ff35212-ce96-42a6-9279-baf5f5d83d20/sv-benchmarks/c/eca-rers2012/Problem14_label04.c[5382,5395] [2021-10-29 03:38:57,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:38:57,273 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:38:57,317 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_3ff35212-ce96-42a6-9279-baf5f5d83d20/sv-benchmarks/c/eca-rers2012/Problem14_label04.c[5382,5395] [2021-10-29 03:38:57,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:38:57,456 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:38:57,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:38:57 WrapperNode [2021-10-29 03:38:57,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:38:57,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:38:57,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:38:57,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:38:57,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:38:57" (1/1) ... [2021-10-29 03:38:57,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:38:57" (1/1) ... [2021-10-29 03:38:57,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:38:57,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:38:57,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:38:57,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:38:57,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:38:57" (1/1) ... [2021-10-29 03:38:57,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:38:57" (1/1) ... [2021-10-29 03:38:57,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:38:57" (1/1) ... [2021-10-29 03:38:57,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:38:57" (1/1) ... [2021-10-29 03:38:57,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:38:57" (1/1) ... [2021-10-29 03:38:57,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:38:57" (1/1) ... [2021-10-29 03:38:57,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:38:57" (1/1) ... [2021-10-29 03:38:57,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:38:57,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:38:57,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:38:57,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:38:57,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:38:57" (1/1) ... [2021-10-29 03:38:57,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:38:57,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff35212-ce96-42a6-9279-baf5f5d83d20/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:38:57,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff35212-ce96-42a6-9279-baf5f5d83d20/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:38:57,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff35212-ce96-42a6-9279-baf5f5d83d20/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:38:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:38:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:38:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:38:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:39:12,438 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:39:12,438 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:39:12,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:39:12 BoogieIcfgContainer [2021-10-29 03:39:12,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:39:12,442 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:39:12,443 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:39:12,456 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:39:12,456 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:39:12" (1/1) ... [2021-10-29 03:39:12,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:39:12,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:12,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:39:12,506 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:39:12,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:39:12,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:12,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:12,801 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 03:39:12,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:12,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2021-10-29 03:39:12,901 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-10-29 03:39:12,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:39:12,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:12,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:13,615 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 03:39:14,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:14,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2021-10-29 03:39:14,043 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2021-10-29 03:39:14,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:39:14,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:14,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:15,362 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 03:39:16,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:16,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2021-10-29 03:39:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2021-10-29 03:39:16,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:39:16,951 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:16,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:19,031 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:21,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:21,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 40 states and 81 transitions. [2021-10-29 03:39:21,198 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 81 transitions. [2021-10-29 03:39:21,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:39:21,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:21,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:22,803 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:24,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:24,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 47 states and 95 transitions. [2021-10-29 03:39:24,500 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 95 transitions. [2021-10-29 03:39:24,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:39:24,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:24,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:28,136 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:30,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:30,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 54 states and 115 transitions. [2021-10-29 03:39:30,802 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 115 transitions. [2021-10-29 03:39:30,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:39:30,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:30,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:33,471 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:34,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:34,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 58 states and 125 transitions. [2021-10-29 03:39:34,550 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 125 transitions. [2021-10-29 03:39:34,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:39:34,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:34,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:36,609 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:36,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:36,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 59 states and 126 transitions. [2021-10-29 03:39:36,920 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 126 transitions. [2021-10-29 03:39:36,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:39:36,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:36,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:39:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:39:41,731 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:39:58,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:39:58,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 75 states and 173 transitions. [2021-10-29 03:39:58,699 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 173 transitions. [2021-10-29 03:39:58,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:39:58,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:39:58,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:11,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:11,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 76 states and 193 transitions. [2021-10-29 03:40:11,683 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 193 transitions. [2021-10-29 03:40:11,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:40:11,684 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2021-10-29 03:40:11,692 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:40:12,759 INFO L565 CodeCheckObserver]: Invariant with dag size 42 [2021-10-29 03:40:12,771 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:40:12,771 INFO L565 CodeCheckObserver]: Invariant with dag size 41 [2021-10-29 03:40:12,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:40:12 ImpRootNode [2021-10-29 03:40:12,775 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:40:12,776 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:40:12,776 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:40:12,776 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:40:12,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:39:12" (3/4) ... [2021-10-29 03:40:12,780 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:40:12,815 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 221 nodes and edges [2021-10-29 03:40:12,817 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-29 03:40:12,820 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 03:40:12,823 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:40:13,017 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff35212-ce96-42a6-9279-baf5f5d83d20/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:40:13,017 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:40:13,019 INFO L168 Benchmark]: Toolchain (without parser) took 76389.92 ms. Allocated memory was 86.0 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 46.5 MB in the beginning and 1.0 GB in the end (delta: -976.7 MB). Peak memory consumption was 869.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:40:13,019 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:40:13,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.20 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 46.3 MB in the beginning and 60.4 MB in the end (delta: -14.1 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:40:13,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 185.91 ms. Allocated memory is still 104.9 MB. Free memory was 60.4 MB in the beginning and 50.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:40:13,021 INFO L168 Benchmark]: Boogie Preprocessor took 110.27 ms. Allocated memory is still 104.9 MB. Free memory was 50.9 MB in the beginning and 45.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:40:13,021 INFO L168 Benchmark]: RCFGBuilder took 14686.13 ms. Allocated memory was 104.9 MB in the beginning and 570.4 MB in the end (delta: 465.6 MB). Free memory was 44.8 MB in the beginning and 413.5 MB in the end (delta: -368.7 MB). Peak memory consumption was 250.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:40:13,022 INFO L168 Benchmark]: CodeCheck took 60332.69 ms. Allocated memory was 570.4 MB in the beginning and 1.9 GB in the end (delta: 1.4 GB). Free memory was 413.5 MB in the beginning and 1.0 GB in the end (delta: -630.6 MB). Peak memory consumption was 734.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:40:13,022 INFO L168 Benchmark]: Witness Printer took 241.83 ms. Allocated memory is still 1.9 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:40:13,025 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: 59.2s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 7400 SDtfs, 16434 SDslu, 10704 SDs, 0 SdLazy, 50852 SolverSat, 7882 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 35.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2101 GetRequests, 1759 SyntacticMatches, 78 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38959 ImplicationChecksByTransitivity, 21.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 10.0s SatisfiabilityAnalysisTime, 16.7s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 4649 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/296 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: 170]: 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: 30]: Loop Invariant Derived loop invariant: (((((a12 <= 599997 && a21 == 10) || a12 + 43 <= 0) || ((a12 <= 529035 || a21 <= 7) && a15 == 8)) || ((a12 + 43 <= 0 || a15 <= 5) && ((!(a24 == 1) || a15 <= 4) || !(a21 == 6)))) || (a12 <= 11 && !(a12 + 43 <= 0 || a15 <= 5))) || (!(a12 <= 11) && !(a15 == 8)) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((a12 <= 599997 && a21 == 10) || a12 + 43 <= 0) || ((a12 <= 529035 || a21 <= 7) && a15 == 8)) || (12 <= a12 && !(95320 <= a12))) || (95320 <= a12 && !(7 <= a21))) || (!(a15 == 8) && !((a24 == 1 && 5 == a15) && a21 == 6)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 823.20 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 46.3 MB in the beginning and 60.4 MB in the end (delta: -14.1 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 185.91 ms. Allocated memory is still 104.9 MB. Free memory was 60.4 MB in the beginning and 50.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.27 ms. Allocated memory is still 104.9 MB. Free memory was 50.9 MB in the beginning and 45.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 14686.13 ms. Allocated memory was 104.9 MB in the beginning and 570.4 MB in the end (delta: 465.6 MB). Free memory was 44.8 MB in the beginning and 413.5 MB in the end (delta: -368.7 MB). Peak memory consumption was 250.4 MB. Max. memory is 16.1 GB. * CodeCheck took 60332.69 ms. Allocated memory was 570.4 MB in the beginning and 1.9 GB in the end (delta: 1.4 GB). Free memory was 413.5 MB in the beginning and 1.0 GB in the end (delta: -630.6 MB). Peak memory consumption was 734.6 MB. Max. memory is 16.1 GB. * Witness Printer took 241.83 ms. Allocated memory is still 1.9 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:40:13,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff35212-ce96-42a6-9279-baf5f5d83d20/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...