./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY --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 f2eb0c28d7a5a117a4edbfc0f5edc80d527e736c .................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:43:54,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:43:54,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:43:54,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:43:54,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:43:54,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:43:54,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:43:54,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:43:54,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:43:54,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:43:54,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:43:54,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:43:54,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:43:54,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:43:54,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:43:54,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:43:54,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:43:54,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:43:54,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:43:54,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:43:54,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:43:54,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:43:54,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:43:54,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:43:54,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:43:54,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:43:54,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:43:54,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:43:54,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:43:54,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:43:54,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:43:54,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:43:54,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:43:54,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:43:54,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:43:54,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:43:54,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:43:54,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:43:54,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:43:54,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:43:54,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:43:54,584 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-13 04:43:54,628 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:43:54,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:43:54,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:43:54,630 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:43:54,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:43:54,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:43:54,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:43:54,631 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 04:43:54,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:43:54,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 04:43:54,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:43:54,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:43:54,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:43:54,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:43:54,634 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 04:43:54,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:43:54,634 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:43:54,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:43:54,634 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:43:54,635 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:43:54,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:43:54,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:43:54,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:43:54,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:43:54,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:43:54,636 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:43:54,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:43:54,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:43:54,637 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_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2eb0c28d7a5a117a4edbfc0f5edc80d527e736c [2021-10-13 04:43:54,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:43:54,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:43:54,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:43:54,969 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:43:54,971 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:43:54,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/eca-rers2012/Problem10_label04.c [2021-10-13 04:43:55,051 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY/data/0b3766634/11bdf0d1125146d48c714ac9c4df5e19/FLAGc6751e22f [2021-10-13 04:43:55,718 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:43:55,718 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/sv-benchmarks/c/eca-rers2012/Problem10_label04.c [2021-10-13 04:43:55,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY/data/0b3766634/11bdf0d1125146d48c714ac9c4df5e19/FLAGc6751e22f [2021-10-13 04:43:55,989 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY/data/0b3766634/11bdf0d1125146d48c714ac9c4df5e19 [2021-10-13 04:43:55,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:43:55,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:43:55,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:43:55,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:43:55,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:43:55,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:43:55" (1/1) ... [2021-10-13 04:43:56,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ac70fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:56, skipping insertion in model container [2021-10-13 04:43:56,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:43:55" (1/1) ... [2021-10-13 04:43:56,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:43:56,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:43:56,308 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_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/sv-benchmarks/c/eca-rers2012/Problem10_label04.c[7502,7515] [2021-10-13 04:43:56,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:43:56,501 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:43:56,552 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_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/sv-benchmarks/c/eca-rers2012/Problem10_label04.c[7502,7515] [2021-10-13 04:43:56,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:43:56,656 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:43:56,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:56 WrapperNode [2021-10-13 04:43:56,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:43:56,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:43:56,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:43:56,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:43:56,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:56" (1/1) ... [2021-10-13 04:43:56,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:56" (1/1) ... [2021-10-13 04:43:56,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:43:56,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:43:56,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:43:56,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:43:56,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:56" (1/1) ... [2021-10-13 04:43:56,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:56" (1/1) ... [2021-10-13 04:43:56,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:56" (1/1) ... [2021-10-13 04:43:56,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:56" (1/1) ... [2021-10-13 04:43:56,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:56" (1/1) ... [2021-10-13 04:43:56,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:56" (1/1) ... [2021-10-13 04:43:56,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:56" (1/1) ... [2021-10-13 04:43:56,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:43:56,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:43:56,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:43:56,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:43:56,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:56" (1/1) ... [2021-10-13 04:43:56,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:43:56,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:43:56,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:43:56,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:43:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 04:43:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 04:43:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:43:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:44:05,050 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:44:05,050 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 04:44:05,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:44:05 BoogieIcfgContainer [2021-10-13 04:44:05,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:44:05,054 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:44:05,054 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:44:05,066 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:44:05,066 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:44:05" (1/1) ... [2021-10-13 04:44:05,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:44:05,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:44:05,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-13 04:44:05,110 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-13 04:44:05,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:44:05,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:44:05,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:44:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:44:05,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:44:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:44:05,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2021-10-13 04:44:05,555 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-10-13 04:44:05,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 04:44:05,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:44:05,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:44:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:44:05,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:44:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:44:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-10-13 04:44:06,443 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-10-13 04:44:06,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 04:44:06,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:44:06,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:44:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:44:07,571 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:44:08,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:44:08,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 55 transitions. [2021-10-13 04:44:08,674 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 55 transitions. [2021-10-13 04:44:08,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 04:44:08,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:44:08,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:44:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:44:09,072 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:44:09,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:44:09,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2021-10-13 04:44:09,183 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2021-10-13 04:44:09,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 04:44:09,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:44:09,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:44:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:44:11,180 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 04:44:11,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:44:11,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2021-10-13 04:44:11,946 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2021-10-13 04:44:11,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 04:44:11,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:44:11,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:44:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:44:13,466 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 04:44:13,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:44:13,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 67 transitions. [2021-10-13 04:44:13,659 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 67 transitions. [2021-10-13 04:44:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 04:44:13,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:44:13,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:44:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:44:14,875 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 04:44:15,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:44:15,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 37 states and 70 transitions. [2021-10-13 04:44:15,145 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 70 transitions. [2021-10-13 04:44:15,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 04:44:15,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:44:15,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:44:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:44:16,257 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 04:44:16,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:44:16,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2021-10-13 04:44:16,457 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2021-10-13 04:44:16,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 04:44:16,458 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2021-10-13 04:44:16,463 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-13 04:44:16,790 INFO L565 CodeCheckObserver]: Invariant with dag size 23 [2021-10-13 04:44:16,802 INFO L565 CodeCheckObserver]: Invariant with dag size 19 [2021-10-13 04:44:16,803 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:44:16,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:44:16 ImpRootNode [2021-10-13 04:44:16,803 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:44:16,804 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:44:16,804 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:44:16,804 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:44:16,805 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:44:05" (3/4) ... [2021-10-13 04:44:16,814 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 04:44:16,849 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 182 nodes and edges [2021-10-13 04:44:16,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-13 04:44:16,853 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 04:44:16,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 04:44:17,028 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:44:17,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:44:17,031 INFO L168 Benchmark]: Toolchain (without parser) took 21035.90 ms. Allocated memory was 92.3 MB in the beginning and 765.5 MB in the end (delta: 673.2 MB). Free memory was 70.5 MB in the beginning and 300.2 MB in the end (delta: -229.7 MB). Peak memory consumption was 443.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:44:17,031 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 67.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:44:17,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.11 ms. Allocated memory is still 92.3 MB. Free memory was 70.3 MB in the beginning and 48.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-13 04:44:17,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.25 ms. Allocated memory is still 92.3 MB. Free memory was 48.6 MB in the beginning and 40.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:44:17,033 INFO L168 Benchmark]: Boogie Preprocessor took 72.42 ms. Allocated memory is still 92.3 MB. Free memory was 40.5 MB in the beginning and 35.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 04:44:17,034 INFO L168 Benchmark]: RCFGBuilder took 8217.80 ms. Allocated memory was 92.3 MB in the beginning and 434.1 MB in the end (delta: 341.8 MB). Free memory was 35.8 MB in the beginning and 338.1 MB in the end (delta: -302.2 MB). Peak memory consumption was 117.7 MB. Max. memory is 16.1 GB. [2021-10-13 04:44:17,035 INFO L168 Benchmark]: CodeCheck took 11749.96 ms. Allocated memory was 434.1 MB in the beginning and 765.5 MB in the end (delta: 331.4 MB). Free memory was 338.1 MB in the beginning and 315.9 MB in the end (delta: 22.2 MB). Peak memory consumption was 354.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:44:17,035 INFO L168 Benchmark]: Witness Printer took 224.80 ms. Allocated memory is still 765.5 MB. Free memory was 315.9 MB in the beginning and 300.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 04:44:17,037 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: 11373.4ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1576 SDtfs, 2900 SDslu, 2128 SDs, 0 SdLazy, 10112 SolverSat, 1788 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4893.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1103 GetRequests, 962 SyntacticMatches, 59 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2984 ImplicationChecksByTransitivity, 2831.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 57.2ms SsaConstructionTime, 1771.4ms SatisfiabilityAnalysisTime, 6102.7ms InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 1347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 48/107 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 212]: 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: (((7 <= a19 && 14 == a4) && a12 == 0) || ((!(a10 == 1) && 14 == a4) && a12 == 0)) || (((a19 <= 5 || 14 + a1 <= 0) && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(a10 == 1) && 14 == a4) && a12 == 0) || (((6 < a19 || a19 <= 5) && 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 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 67.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 662.11 ms. Allocated memory is still 92.3 MB. Free memory was 70.3 MB in the beginning and 48.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.25 ms. Allocated memory is still 92.3 MB. Free memory was 48.6 MB in the beginning and 40.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.42 ms. Allocated memory is still 92.3 MB. Free memory was 40.5 MB in the beginning and 35.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8217.80 ms. Allocated memory was 92.3 MB in the beginning and 434.1 MB in the end (delta: 341.8 MB). Free memory was 35.8 MB in the beginning and 338.1 MB in the end (delta: -302.2 MB). Peak memory consumption was 117.7 MB. Max. memory is 16.1 GB. * CodeCheck took 11749.96 ms. Allocated memory was 434.1 MB in the beginning and 765.5 MB in the end (delta: 331.4 MB). Free memory was 338.1 MB in the beginning and 315.9 MB in the end (delta: 22.2 MB). Peak memory consumption was 354.5 MB. Max. memory is 16.1 GB. * Witness Printer took 224.80 ms. Allocated memory is still 765.5 MB. Free memory was 315.9 MB in the beginning and 300.2 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! [2021-10-13 04:44:17,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadb64dc-e3f4-493e-8d63-3bd9f0eadc5a/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...