./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label07.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4 --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 56a04ed46850e605182228c8e81c7d165207799703ed3ae3590996aae38bb805 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 16:38:39,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:38:39,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:38:39,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:38:39,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:38:39,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:38:39,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:38:39,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:38:39,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:38:39,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:38:39,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:38:39,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:38:39,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:38:39,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:38:39,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:38:39,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:38:39,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:38:39,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:38:39,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:38:39,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:38:39,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:38:39,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:38:39,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:38:39,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:38:39,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:38:39,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:38:39,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:38:39,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:38:39,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:38:39,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:38:39,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:38:39,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:38:39,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:38:39,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:38:39,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:38:39,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:38:39,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:38:39,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:38:39,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:38:39,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:38:39,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:38:39,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 16:38:39,819 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:38:39,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:38:39,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:38:39,820 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:38:39,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:38:39,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:38:39,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:38:39,822 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:38:39,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:38:39,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:38:39,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:38:39,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:38:39,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:38:39,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:38:39,823 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:38:39,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:38:39,823 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:38:39,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:38:39,824 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:38:39,824 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:38:39,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:38:39,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:38:39,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:38:39,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:38:39,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:38:39,825 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:38:39,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:38:39,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:38:39,825 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_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56a04ed46850e605182228c8e81c7d165207799703ed3ae3590996aae38bb805 [2022-12-14 16:38:40,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:38:40,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:38:40,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:38:40,025 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:38:40,026 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:38:40,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem14_label07.c [2022-12-14 16:38:42,507 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:38:42,702 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:38:42,702 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/sv-benchmarks/c/eca-rers2012/Problem14_label07.c [2022-12-14 16:38:42,710 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4/data/b887561b4/0dd80833b73144b8b15605d223ceff34/FLAG1bf0be2ea [2022-12-14 16:38:43,079 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4/data/b887561b4/0dd80833b73144b8b15605d223ceff34 [2022-12-14 16:38:43,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:38:43,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:38:43,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:38:43,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:38:43,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:38:43,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:38:43" (1/1) ... [2022-12-14 16:38:43,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31221d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:43, skipping insertion in model container [2022-12-14 16:38:43,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:38:43" (1/1) ... [2022-12-14 16:38:43,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:38:43,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:38:43,253 WARN L237 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_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/sv-benchmarks/c/eca-rers2012/Problem14_label07.c[4912,4925] [2022-12-14 16:38:43,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:38:43,375 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:38:43,390 WARN L237 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_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/sv-benchmarks/c/eca-rers2012/Problem14_label07.c[4912,4925] [2022-12-14 16:38:43,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:38:43,491 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:38:43,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:43 WrapperNode [2022-12-14 16:38:43,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:38:43,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:38:43,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:38:43,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:38:43,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:43" (1/1) ... [2022-12-14 16:38:43,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:43" (1/1) ... [2022-12-14 16:38:43,577 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2022-12-14 16:38:43,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:38:43,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:38:43,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:38:43,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:38:43,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:43" (1/1) ... [2022-12-14 16:38:43,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:43" (1/1) ... [2022-12-14 16:38:43,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:43" (1/1) ... [2022-12-14 16:38:43,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:43" (1/1) ... [2022-12-14 16:38:43,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:43" (1/1) ... [2022-12-14 16:38:43,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:43" (1/1) ... [2022-12-14 16:38:43,632 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:43" (1/1) ... [2022-12-14 16:38:43,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:43" (1/1) ... [2022-12-14 16:38:43,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:38:43,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:38:43,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:38:43,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:38:43,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:43" (1/1) ... [2022-12-14 16:38:43,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:38:43,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:38:43,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:38:43,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:38:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:38:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:38:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:38:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:38:43,770 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:38:43,772 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:38:44,683 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:38:47,095 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:38:47,095 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 16:38:47,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:38:47 BoogieIcfgContainer [2022-12-14 16:38:47,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:38:47,098 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:38:47,098 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:38:47,105 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:38:47,105 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:38:47" (1/1) ... [2022-12-14 16:38:47,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:38:47,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:47,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 16:38:47,153 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 16:38:47,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 16:38:47,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:47,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:47,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:47,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 16:38:47,393 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 16:38:47,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 16:38:47,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:47,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:39:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:39:00,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:39:00,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2022-12-14 16:39:00,366 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2022-12-14 16:39:00,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 16:39:00,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:39:00,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:39:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:39:28,913 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:39:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:39:29,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2022-12-14 16:39:29,785 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2022-12-14 16:39:29,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 16:39:29,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:39:29,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:39:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:39:58,000 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:39:58,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:39:58,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2022-12-14 16:39:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-12-14 16:39:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 16:39:58,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:39:58,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:39:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:40:59,061 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:41:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:41:00,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2022-12-14 16:41:00,083 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2022-12-14 16:41:00,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 16:41:00,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:41:00,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:41:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:42:00,658 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:42:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:42:00,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2022-12-14 16:42:00,878 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2022-12-14 16:42:00,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 16:42:00,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:42:00,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:42:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:43:27,283 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:43:28,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:43:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 50 states and 91 transitions. [2022-12-14 16:43:28,220 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 91 transitions. [2022-12-14 16:43:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 16:43:28,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:43:28,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:43:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:46:09,926 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 16:46:10,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:46:10,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 55 states and 98 transitions. [2022-12-14 16:46:10,538 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 98 transitions. [2022-12-14 16:46:10,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 16:46:10,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:46:10,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:46:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:48:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 16:48:50,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:48:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2022-12-14 16:48:50,641 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-12-14 16:48:50,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 16:48:50,642 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2022-12-14 16:48:50,648 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 16:48:50,867 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2022-12-14 16:48:50,875 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 16:48:50,875 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2022-12-14 16:48:50,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 04:48:50 ImpRootNode [2022-12-14 16:48:50,876 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 16:48:50,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:48:50,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:48:50,876 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:48:50,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:38:47" (3/4) ... [2022-12-14 16:48:50,879 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 16:48:50,891 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 222 nodes and edges [2022-12-14 16:48:50,892 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-14 16:48:50,893 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 16:48:50,894 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 16:48:50,986 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 16:48:50,986 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:48:50,987 INFO L158 Benchmark]: Toolchain (without parser) took 607903.48ms. Allocated memory was 107.0MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 71.4MB in the beginning and 736.8MB in the end (delta: -665.5MB). Peak memory consumption was 696.3MB. Max. memory is 16.1GB. [2022-12-14 16:48:50,987 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:48:50,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.49ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 71.0MB in the beginning and 97.8MB in the end (delta: -26.8MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2022-12-14 16:48:50,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.95ms. Allocated memory is still 130.0MB. Free memory was 97.8MB in the beginning and 88.0MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 16:48:50,988 INFO L158 Benchmark]: Boogie Preprocessor took 68.67ms. Allocated memory is still 130.0MB. Free memory was 88.0MB in the beginning and 81.6MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 16:48:50,988 INFO L158 Benchmark]: RCFGBuilder took 3449.79ms. Allocated memory was 130.0MB in the beginning and 471.9MB in the end (delta: 341.8MB). Free memory was 81.6MB in the beginning and 237.0MB in the end (delta: -155.4MB). Peak memory consumption was 230.9MB. Max. memory is 16.1GB. [2022-12-14 16:48:50,989 INFO L158 Benchmark]: CodeCheck took 603777.79ms. Allocated memory was 471.9MB in the beginning and 1.5GB in the end (delta: 996.1MB). Free memory was 237.0MB in the beginning and 751.5MB in the end (delta: -514.5MB). Peak memory consumption was 480.6MB. Max. memory is 16.1GB. [2022-12-14 16:48:50,989 INFO L158 Benchmark]: Witness Printer took 109.83ms. Allocated memory is still 1.5GB. Free memory was 750.5MB in the beginning and 736.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 16:48:50,991 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: 603.5s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 473 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 425 mSDsluCounter, 435 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 266 mSDsCounter, 255 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1238 IncrementalHoareTripleChecker+Invalid, 1493 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 255 mSolverCounterUnsat, 169 mSDtfsCounter, 1238 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1432 GetRequests, 1231 SyntacticMatches, 75 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9379 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 596.7s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 3038 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 8/211 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: 155]: 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: (((((a21 == 8 || a12 + 43 <= 0) || 7 == a21) || !(a24 == 1)) || a21 == 6) || 11 < a12) || !(5 == a15) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((((a21 == 8 || a12 + 43 <= 0) || 7 == a21) || 12 <= a12) || !(a24 == 1)) || a21 == 6) || a21 == 10) || !(5 == a15) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.49ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 71.0MB in the beginning and 97.8MB in the end (delta: -26.8MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.95ms. Allocated memory is still 130.0MB. Free memory was 97.8MB in the beginning and 88.0MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.67ms. Allocated memory is still 130.0MB. Free memory was 88.0MB in the beginning and 81.6MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3449.79ms. Allocated memory was 130.0MB in the beginning and 471.9MB in the end (delta: 341.8MB). Free memory was 81.6MB in the beginning and 237.0MB in the end (delta: -155.4MB). Peak memory consumption was 230.9MB. Max. memory is 16.1GB. * CodeCheck took 603777.79ms. Allocated memory was 471.9MB in the beginning and 1.5GB in the end (delta: 996.1MB). Free memory was 237.0MB in the beginning and 751.5MB in the end (delta: -514.5MB). Peak memory consumption was 480.6MB. Max. memory is 16.1GB. * Witness Printer took 109.83ms. Allocated memory is still 1.5GB. Free memory was 750.5MB in the beginning and 736.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 16:48:51,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd015a0d-653d-46ea-a2bd-3ea09ee2bf5b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE