./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2018/Problem17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a21ea-2658-47a0-9977-153c0691715b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a21ea-2658-47a0-9977-153c0691715b/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a21ea-2658-47a0-9977-153c0691715b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a21ea-2658-47a0-9977-153c0691715b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2018/Problem17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a21ea-2658-47a0-9977-153c0691715b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a21ea-2658-47a0-9977-153c0691715b/bin/ukojak-CwSLpZB5Qu --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 2f0fefb336ced3373e2a35ef2949c2a01a98c911001e38ec001a25171ac41e58 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:33,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:33,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:33,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:33,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:33,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:33,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:33,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:33,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:33,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:33,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:33,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:33,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:33,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:33,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:33,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:33,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:33,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:33,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:33,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:33,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:33,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:33,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:33,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:33,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:33,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:33,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:33,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:33,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:33,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:33,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:33,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:33,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:33,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:33,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:33,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:33,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:33,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:33,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:33,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:33,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:33,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a21ea-2658-47a0-9977-153c0691715b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:33,368 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:33,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:33,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:33,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:33,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:33,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:33,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:33,373 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:33,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:33,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:33,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:33,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:33,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:33,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:33,376 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:33,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:33,377 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:33,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:33,377 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:33,378 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:33,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:33,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:33,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:33,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:33,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:33,379 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:33,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:33,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:33,380 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_612a21ea-2658-47a0-9977-153c0691715b/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a21ea-2658-47a0-9977-153c0691715b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f0fefb336ced3373e2a35ef2949c2a01a98c911001e38ec001a25171ac41e58 [2021-11-23 15:53:33,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:33,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:33,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:33,680 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:33,681 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:33,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a21ea-2658-47a0-9977-153c0691715b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2018/Problem17.c [2021-11-23 15:53:33,778 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a21ea-2658-47a0-9977-153c0691715b/bin/ukojak-CwSLpZB5Qu/data/9d7f076c0/d7a0cc0ff9fc45ad9def8c3f19d25921/FLAG82a44c63a [2021-11-23 15:53:40,192 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:40,192 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a21ea-2658-47a0-9977-153c0691715b/sv-benchmarks/c/eca-rers2018/Problem17.c [2021-11-23 15:53:40,833 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a21ea-2658-47a0-9977-153c0691715b/bin/ukojak-CwSLpZB5Qu/data/9d7f076c0/d7a0cc0ff9fc45ad9def8c3f19d25921/FLAG82a44c63a [2021-11-23 15:53:41,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612a21ea-2658-47a0-9977-153c0691715b/bin/ukojak-CwSLpZB5Qu/data/9d7f076c0/d7a0cc0ff9fc45ad9def8c3f19d25921 [2021-11-23 15:53:41,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:41,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:41,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:41,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:41,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:41,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:41" (1/1) ... [2021-11-23 15:53:41,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d76e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:41, skipping insertion in model container [2021-11-23 15:53:41,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:41" (1/1) ... [2021-11-23 15:53:41,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:44,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:45,480 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_612a21ea-2658-47a0-9977-153c0691715b/sv-benchmarks/c/eca-rers2018/Problem17.c[778,791] [2021-11-23 15:53:45,684 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_612a21ea-2658-47a0-9977-153c0691715b/sv-benchmarks/c/eca-rers2018/Problem17.c[817,830] [2021-11-23 15:58:00,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:00,445 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:00,458 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_612a21ea-2658-47a0-9977-153c0691715b/sv-benchmarks/c/eca-rers2018/Problem17.c[778,791] [2021-11-23 15:58:00,459 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_612a21ea-2658-47a0-9977-153c0691715b/sv-benchmarks/c/eca-rers2018/Problem17.c[817,830] [2021-11-23 15:58:10,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:13,592 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:13,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:13 WrapperNode [2021-11-23 15:58:13,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:13,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:13,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:13,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:13,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:13" (1/1) ... [2021-11-23 15:58:17,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:13" (1/1) ...