./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label23.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_0ed481c9-fa7c-4703-9459-59427d9099b4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed481c9-fa7c-4703-9459-59427d9099b4/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_0ed481c9-fa7c-4703-9459-59427d9099b4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed481c9-fa7c-4703-9459-59427d9099b4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed481c9-fa7c-4703-9459-59427d9099b4/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_0ed481c9-fa7c-4703-9459-59427d9099b4/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 f869ff34b8d1fc9233da1bce651f8bc007d942cb0a36d4a975409aebb2d888b1 --- 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 18:32:39,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:32:39,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:32:39,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:32:39,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:32:39,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:32:39,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:32:39,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:32:39,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:32:39,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:32:39,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:32:39,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:32:39,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:32:39,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:32:39,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:32:39,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:32:39,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:32:39,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:32:39,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:32:39,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:32:39,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:32:39,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:32:39,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:32:39,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:32:39,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:32:39,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:32:39,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:32:39,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:32:39,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:32:39,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:32:39,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:32:39,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:32:39,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:32:39,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:32:39,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:32:39,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:32:39,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:32:39,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:32:39,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:32:39,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:32:39,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:32:39,973 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed481c9-fa7c-4703-9459-59427d9099b4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 18:32:40,010 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:32:40,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:32:40,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:32:40,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:32:40,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:32:40,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:32:40,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:32:40,012 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:32:40,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:32:40,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:32:40,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:32:40,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:32:40,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:32:40,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:32:40,014 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:32:40,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:32:40,014 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:32:40,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:32:40,014 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:32:40,015 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:32:40,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:32:40,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:32:40,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:32:40,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:32:40,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:32:40,016 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:32:40,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:32:40,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:32:40,016 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_0ed481c9-fa7c-4703-9459-59427d9099b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed481c9-fa7c-4703-9459-59427d9099b4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f869ff34b8d1fc9233da1bce651f8bc007d942cb0a36d4a975409aebb2d888b1 [2022-12-14 18:32:40,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:32:40,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:32:40,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:32:40,210 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:32:40,210 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:32:40,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed481c9-fa7c-4703-9459-59427d9099b4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem11_label23.c [2022-12-14 18:32:42,846 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:32:43,065 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:32:43,065 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed481c9-fa7c-4703-9459-59427d9099b4/sv-benchmarks/c/eca-rers2012/Problem11_label23.c [2022-12-14 18:32:43,076 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed481c9-fa7c-4703-9459-59427d9099b4/bin/ukojak-rkRKPMF4O4/data/fa0d66bfe/960bc28c22c94d899e36c5df2e7a5d8c/FLAGd6900155a [2022-12-14 18:32:43,091 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed481c9-fa7c-4703-9459-59427d9099b4/bin/ukojak-rkRKPMF4O4/data/fa0d66bfe/960bc28c22c94d899e36c5df2e7a5d8c [2022-12-14 18:32:43,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:32:43,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:32:43,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:32:43,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:32:43,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:32:43,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:32:43" (1/1) ... [2022-12-14 18:32:43,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428ec3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:43, skipping insertion in model container [2022-12-14 18:32:43,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:32:43" (1/1) ... [2022-12-14 18:32:43,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:32:43,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:32:43,330 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_0ed481c9-fa7c-4703-9459-59427d9099b4/sv-benchmarks/c/eca-rers2012/Problem11_label23.c[9364,9377] [2022-12-14 18:32:43,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:32:43,502 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:32:43,534 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_0ed481c9-fa7c-4703-9459-59427d9099b4/sv-benchmarks/c/eca-rers2012/Problem11_label23.c[9364,9377] [2022-12-14 18:32:43,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:32:43,647 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:32:43,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:43 WrapperNode [2022-12-14 18:32:43,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:32:43,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:32:43,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:32:43,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:32:43,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:43" (1/1) ... [2022-12-14 18:32:43,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:43" (1/1) ... [2022-12-14 18:32:43,776 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-12-14 18:32:43,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:32:43,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:32:43,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:32:43,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:32:43,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:43" (1/1) ... [2022-12-14 18:32:43,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:43" (1/1) ... [2022-12-14 18:32:43,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:43" (1/1) ... [2022-12-14 18:32:43,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:43" (1/1) ... [2022-12-14 18:32:43,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:43" (1/1) ... [2022-12-14 18:32:43,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:43" (1/1) ... [2022-12-14 18:32:43,836 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:43" (1/1) ... [2022-12-14 18:32:43,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:43" (1/1) ... [2022-12-14 18:32:43,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:32:43,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:32:43,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:32:43,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:32:43,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:32:43" (1/1) ... [2022-12-14 18:32:43,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:32:43,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed481c9-fa7c-4703-9459-59427d9099b4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:32:43,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed481c9-fa7c-4703-9459-59427d9099b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:32:43,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed481c9-fa7c-4703-9459-59427d9099b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:32:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:32:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:32:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:32:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:32:43,977 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:32:43,978 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:32:45,165 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:32:49,017 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:32:49,017 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 18:32:49,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:32:49 BoogieIcfgContainer [2022-12-14 18:32:49,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:32:49,020 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:32:49,020 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:32:49,027 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:32:49,027 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:32:49" (1/1) ... [2022-12-14 18:32:49,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:32:49,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:32:49,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 18:32:49,069 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 18:32:49,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:32:49,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:32:49,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:32:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:32:49,230 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 18:32:49,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:32:49,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 18:32:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 18:32:49,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:32:49,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:32:49,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:32:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:33:20,122 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 18:33:22,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 18:33:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:33:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-12-14 18:33:22,813 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-12-14 18:33:22,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:33:22,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:33:22,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:33:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:34:35,567 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 18:34:46,388 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 [] [2022-12-14 18:34:46,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:34:46,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2022-12-14 18:34:46,626 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2022-12-14 18:34:46,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:34:46,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:34:46,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:34:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:35:58,984 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:35:59,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:35:59,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2022-12-14 18:35:59,256 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2022-12-14 18:35:59,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:35:59,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:35:59,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:35:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:54,403 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 18:36:55,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:55,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2022-12-14 18:36:55,321 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2022-12-14 18:36:55,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:36:55,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:55,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:37:49,155 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 18:37:49,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:37:49,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 43 states and 79 transitions. [2022-12-14 18:37:49,567 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2022-12-14 18:37:49,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:37:49,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:37:49,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:37:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:38:44,785 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 18:38:45,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:38:45,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2022-12-14 18:38:45,357 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2022-12-14 18:38:45,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:38:45,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:38:45,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:38:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 18:39:47,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:47,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2022-12-14 18:39:47,564 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2022-12-14 18:39:47,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:39:47,565 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-14 18:39:47,570 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 18:39:47,822 INFO L560 CodeCheckObserver]: Invariant with dag size 38 [2022-12-14 18:39:47,830 INFO L560 CodeCheckObserver]: Invariant with dag size 31 [2022-12-14 18:39:47,831 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:39:47,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:39:47 ImpRootNode [2022-12-14 18:39:47,831 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:39:47,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:39:47,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:39:47,832 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:39:47,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:32:49" (3/4) ... [2022-12-14 18:39:47,834 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:39:47,850 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 257 nodes and edges [2022-12-14 18:39:47,852 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 18:39:47,853 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 18:39:47,855 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:39:47,967 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed481c9-fa7c-4703-9459-59427d9099b4/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:39:47,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:39:47,968 INFO L158 Benchmark]: Toolchain (without parser) took 424873.01ms. Allocated memory was 136.3MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 91.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 813.3MB. Max. memory is 16.1GB. [2022-12-14 18:39:47,969 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 136.3MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:39:47,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.43ms. Allocated memory is still 136.3MB. Free memory was 91.6MB in the beginning and 48.0MB in the end (delta: 43.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-12-14 18:39:47,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.36ms. Allocated memory was 136.3MB in the beginning and 220.2MB in the end (delta: 83.9MB). Free memory was 48.0MB in the beginning and 174.2MB in the end (delta: -126.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-12-14 18:39:47,970 INFO L158 Benchmark]: Boogie Preprocessor took 77.79ms. Allocated memory is still 220.2MB. Free memory was 174.2MB in the beginning and 164.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 18:39:47,970 INFO L158 Benchmark]: RCFGBuilder took 5164.76ms. Allocated memory was 220.2MB in the beginning and 994.1MB in the end (delta: 773.8MB). Free memory was 164.7MB in the beginning and 674.6MB in the end (delta: -509.9MB). Peak memory consumption was 347.9MB. Max. memory is 16.1GB. [2022-12-14 18:39:47,970 INFO L158 Benchmark]: CodeCheck took 418811.07ms. Allocated memory was 994.1MB in the beginning and 2.3GB in the end (delta: 1.3GB). Free memory was 674.6MB in the beginning and 1.5GB in the end (delta: -775.6MB). Peak memory consumption was 521.3MB. Max. memory is 16.1GB. [2022-12-14 18:39:47,971 INFO L158 Benchmark]: Witness Printer took 136.16ms. Allocated memory is still 2.3GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 18:39:47,973 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: 418.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 375 SdHoareTripleChecker+Valid, 86.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 323 mSDsluCounter, 368 SdHoareTripleChecker+Invalid, 86.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 224 mSDsCounter, 158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 915 IncrementalHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 158 mSolverCounterUnsat, 144 mSDtfsCounter, 915 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1139 GetRequests, 1002 SyntacticMatches, 53 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3401 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 398.0s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1421 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: 211]: 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 <= 10 && a4 == 1) && a23 <= 312) && 312 <= a23) && a29 <= 130) || ((a3 == 1 && a8 == 15) && (a23 + 246 <= 0 || 165 <= a23))) || ((a25 <= 12 && a3 == 1) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((14 <= a25 || 141 <= a29) || !(a4 == 1))) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((a25 <= 10 && a4 == 1) && a23 <= 312) && 312 <= a23) && a29 <= 130) || (((((!(a25 == 13) || 306 < a23) || !(a4 == 1)) || !(a29 <= 140)) && a3 == 1) && a8 == 15) - 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 0.12ms. Allocated memory is still 136.3MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.43ms. Allocated memory is still 136.3MB. Free memory was 91.6MB in the beginning and 48.0MB in the end (delta: 43.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.36ms. Allocated memory was 136.3MB in the beginning and 220.2MB in the end (delta: 83.9MB). Free memory was 48.0MB in the beginning and 174.2MB in the end (delta: -126.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.79ms. Allocated memory is still 220.2MB. Free memory was 174.2MB in the beginning and 164.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5164.76ms. Allocated memory was 220.2MB in the beginning and 994.1MB in the end (delta: 773.8MB). Free memory was 164.7MB in the beginning and 674.6MB in the end (delta: -509.9MB). Peak memory consumption was 347.9MB. Max. memory is 16.1GB. * CodeCheck took 418811.07ms. Allocated memory was 994.1MB in the beginning and 2.3GB in the end (delta: 1.3GB). Free memory was 674.6MB in the beginning and 1.5GB in the end (delta: -775.6MB). Peak memory consumption was 521.3MB. Max. memory is 16.1GB. * Witness Printer took 136.16ms. Allocated memory is still 2.3GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:39:47,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed481c9-fa7c-4703-9459-59427d9099b4/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