./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b45edb8-1cdf-4648-9fca-e4930a69714c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b45edb8-1cdf-4648-9fca-e4930a69714c/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_0b45edb8-1cdf-4648-9fca-e4930a69714c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b45edb8-1cdf-4648-9fca-e4930a69714c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b45edb8-1cdf-4648-9fca-e4930a69714c/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_0b45edb8-1cdf-4648-9fca-e4930a69714c/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 ba084f2fa236db54388aca511060366bb6c01451f2201814c167025a30650a8b --- 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 [2022-12-15 01:09:22,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:09:22,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:09:22,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:09:22,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:09:22,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:09:22,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:09:22,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:09:23,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:09:23,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:09:23,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:09:23,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:09:23,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:09:23,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:09:23,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:09:23,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:09:23,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:09:23,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:09:23,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:09:23,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:09:23,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:09:23,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:09:23,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:09:23,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:09:23,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:09:23,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:09:23,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:09:23,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:09:23,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:09:23,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:09:23,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:09:23,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:09:23,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:09:23,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:09:23,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:09:23,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:09:23,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:09:23,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:09:23,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:09:23,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:09:23,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:09:23,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b45edb8-1cdf-4648-9fca-e4930a69714c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:09:23,063 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:09:23,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:09:23,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:09:23,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:09:23,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:09:23,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:09:23,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:09:23,065 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:09:23,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:09:23,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:09:23,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:09:23,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:09:23,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:09:23,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:09:23,072 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:09:23,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:09:23,072 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:09:23,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:09:23,073 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:09:23,073 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:09:23,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:09:23,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:09:23,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:09:23,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:09:23,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:09:23,074 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:09:23,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:09:23,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:09:23,074 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_0b45edb8-1cdf-4648-9fca-e4930a69714c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b45edb8-1cdf-4648-9fca-e4930a69714c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba084f2fa236db54388aca511060366bb6c01451f2201814c167025a30650a8b [2022-12-15 01:09:23,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:09:23,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:09:23,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:09:23,283 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:09:23,283 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:09:23,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b45edb8-1cdf-4648-9fca-e4930a69714c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem11_label32.c [2022-12-15 01:09:25,803 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:09:26,007 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:09:26,008 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b45edb8-1cdf-4648-9fca-e4930a69714c/sv-benchmarks/c/eca-rers2012/Problem11_label32.c [2022-12-15 01:09:26,016 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b45edb8-1cdf-4648-9fca-e4930a69714c/bin/ukojak-rkRKPMF4O4/data/288b7fa9f/916bd303c3ae4d97a32c4f7dc83553a3/FLAG243852a29 [2022-12-15 01:09:26,032 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b45edb8-1cdf-4648-9fca-e4930a69714c/bin/ukojak-rkRKPMF4O4/data/288b7fa9f/916bd303c3ae4d97a32c4f7dc83553a3 [2022-12-15 01:09:26,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:09:26,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:09:26,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:09:26,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:09:26,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:09:26,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:09:26" (1/1) ... [2022-12-15 01:09:26,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f6844b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:26, skipping insertion in model container [2022-12-15 01:09:26,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:09:26" (1/1) ... [2022-12-15 01:09:26,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:09:26,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:09:26,258 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_0b45edb8-1cdf-4648-9fca-e4930a69714c/sv-benchmarks/c/eca-rers2012/Problem11_label32.c[5857,5870] [2022-12-15 01:09:26,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:09:26,420 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:09:26,439 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_0b45edb8-1cdf-4648-9fca-e4930a69714c/sv-benchmarks/c/eca-rers2012/Problem11_label32.c[5857,5870] [2022-12-15 01:09:26,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:09:26,549 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:09:26,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:26 WrapperNode [2022-12-15 01:09:26,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:09:26,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:09:26,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:09:26,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:09:26,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:26" (1/1) ... [2022-12-15 01:09:26,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:26" (1/1) ... [2022-12-15 01:09:26,656 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-12-15 01:09:26,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:09:26,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:09:26,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:09:26,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:09:26,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:26" (1/1) ... [2022-12-15 01:09:26,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:26" (1/1) ... [2022-12-15 01:09:26,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:26" (1/1) ... [2022-12-15 01:09:26,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:26" (1/1) ... [2022-12-15 01:09:26,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:26" (1/1) ... [2022-12-15 01:09:26,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:26" (1/1) ... [2022-12-15 01:09:26,722 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:26" (1/1) ... [2022-12-15 01:09:26,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:26" (1/1) ... [2022-12-15 01:09:26,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:09:26,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:09:26,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:09:26,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:09:26,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:26" (1/1) ... [2022-12-15 01:09:26,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:09:26,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b45edb8-1cdf-4648-9fca-e4930a69714c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:09:26,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b45edb8-1cdf-4648-9fca-e4930a69714c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:09:26,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b45edb8-1cdf-4648-9fca-e4930a69714c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:09:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:09:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:09:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:09:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:09:26,855 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:09:26,856 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:09:28,068 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:09:32,354 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:09:32,354 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 01:09:32,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:09:32 BoogieIcfgContainer [2022-12-15 01:09:32,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:09:32,357 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:09:32,357 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:09:32,363 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:09:32,363 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:09:32" (1/1) ... [2022-12-15 01:09:32,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:09:32,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:09:32,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-15 01:09:32,405 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-15 01:09:32,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:09:32,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:09:32,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:09:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:09:32,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:09:32,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:09:32,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-15 01:09:32,699 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-15 01:09:32,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:09:32,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:09:32,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:09:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:10:00,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:10:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:10:01,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-12-15 01:10:01,131 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-12-15 01:10:01,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:10:01,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:10:01,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:10:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:11:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:11:55,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-15 01:11:56,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:11:56,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2022-12-15 01:11:56,622 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2022-12-15 01:11:56,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:11:56,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:11:56,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:11:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:13:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:13:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:13:36,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2022-12-15 01:13:36,660 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2022-12-15 01:13:36,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:13:36,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:13:36,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:13:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:14:19,950 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 01:14:22,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:14:22,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2022-12-15 01:14:22,371 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2022-12-15 01:14:22,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:14:22,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:14:22,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:14:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:15:05,630 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 01:15:05,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:15:05,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2022-12-15 01:15:05,873 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2022-12-15 01:15:05,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:15:05,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:15:05,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:15:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:15:49,266 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 01:15:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:15:49,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2022-12-15 01:15:49,516 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2022-12-15 01:15:49,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:15:49,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:15:49,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:15:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:49,166 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-15 01:16:49,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:49,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2022-12-15 01:16:49,427 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2022-12-15 01:16:49,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:16:49,428 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-15 01:16:49,432 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 01:16:49,805 INFO L560 CodeCheckObserver]: Invariant with dag size 31 [2022-12-15 01:16:49,814 INFO L560 CodeCheckObserver]: Invariant with dag size 30 [2022-12-15 01:16:49,814 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:16:49,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:16:49 ImpRootNode [2022-12-15 01:16:49,814 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:16:49,815 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:16:49,815 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:16:49,815 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:16:49,815 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:09:32" (3/4) ... [2022-12-15 01:16:49,817 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:16:49,831 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 257 nodes and edges [2022-12-15 01:16:49,831 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-12-15 01:16:49,832 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-15 01:16:49,833 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:16:49,911 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b45edb8-1cdf-4648-9fca-e4930a69714c/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:16:49,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:16:49,912 INFO L158 Benchmark]: Toolchain (without parser) took 443876.83ms. Allocated memory was 180.4MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 150.8MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 479.4MB. Max. memory is 16.1GB. [2022-12-15 01:16:49,912 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:16:49,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.30ms. Allocated memory is still 180.4MB. Free memory was 150.2MB in the beginning and 106.3MB in the end (delta: 43.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-15 01:16:49,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.79ms. Allocated memory is still 180.4MB. Free memory was 106.3MB in the beginning and 135.6MB in the end (delta: -29.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 01:16:49,913 INFO L158 Benchmark]: Boogie Preprocessor took 80.46ms. Allocated memory is still 180.4MB. Free memory was 135.6MB in the beginning and 126.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 01:16:49,913 INFO L158 Benchmark]: RCFGBuilder took 5618.16ms. Allocated memory was 180.4MB in the beginning and 794.8MB in the end (delta: 614.5MB). Free memory was 126.1MB in the beginning and 533.7MB in the end (delta: -407.6MB). Peak memory consumption was 489.9MB. Max. memory is 16.1GB. [2022-12-15 01:16:49,913 INFO L158 Benchmark]: CodeCheck took 437457.81ms. Allocated memory was 794.8MB in the beginning and 2.1GB in the end (delta: 1.3GB). Free memory was 533.7MB in the beginning and 1.6GB in the end (delta: -1.1GB). Peak memory consumption was 231.7MB. Max. memory is 16.1GB. [2022-12-15 01:16:49,913 INFO L158 Benchmark]: Witness Printer took 96.49ms. Allocated memory is still 2.1GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 01:16:49,914 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: 437.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 407 SdHoareTripleChecker+Valid, 76.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 345 mSDsluCounter, 386 SdHoareTripleChecker+Invalid, 76.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 236 mSDsCounter, 181 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 988 IncrementalHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 181 mSolverCounterUnsat, 150 mSDtfsCounter, 988 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1135 GetRequests, 1030 SyntacticMatches, 41 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1869 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 417.6s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 2113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 60/122 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: 136]: 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: 1044]: Loop Invariant Derived loop invariant: (((a25 <= 11 || 13 <= a25) && a3 == 1) && a8 == 15) || ((((((a23 + 43 <= 0 || 139 <= a23) || 278 <= a29) || a29 <= 245) || !(a4 == 1)) && a3 == 1) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (a3 == 1 && a8 == 15) && ((((((a23 + 43 <= 0 || a25 <= 11) || 139 <= a23) || a29 <= 245) || !(a29 <= 277)) || !(a4 == 1)) || !(a25 <= 12)) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 514.30ms. Allocated memory is still 180.4MB. Free memory was 150.2MB in the beginning and 106.3MB in the end (delta: 43.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.79ms. Allocated memory is still 180.4MB. Free memory was 106.3MB in the beginning and 135.6MB in the end (delta: -29.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.46ms. Allocated memory is still 180.4MB. Free memory was 135.6MB in the beginning and 126.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5618.16ms. Allocated memory was 180.4MB in the beginning and 794.8MB in the end (delta: 614.5MB). Free memory was 126.1MB in the beginning and 533.7MB in the end (delta: -407.6MB). Peak memory consumption was 489.9MB. Max. memory is 16.1GB. * CodeCheck took 437457.81ms. Allocated memory was 794.8MB in the beginning and 2.1GB in the end (delta: 1.3GB). Free memory was 533.7MB in the beginning and 1.6GB in the end (delta: -1.1GB). Peak memory consumption was 231.7MB. Max. memory is 16.1GB. * Witness Printer took 96.49ms. Allocated memory is still 2.1GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:16:49,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b45edb8-1cdf-4648-9fca-e4930a69714c/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