./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/ex3b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_e3f956b9-dc96-406b-952a-59167d6c28de/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f956b9-dc96-406b-952a-59167d6c28de/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f956b9-dc96-406b-952a-59167d6c28de/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f956b9-dc96-406b-952a-59167d6c28de/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/ex3b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f956b9-dc96-406b-952a-59167d6c28de/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f956b9-dc96-406b-952a-59167d6c28de/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d412468cd64aacfdcefc246e93a3ecceac718c99c9cbd69d8c14d9acc4927672 --- 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-b5237d8 [2022-11-21 23:23:56,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:23:56,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:23:56,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:23:56,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:23:56,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:23:56,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:23:56,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:23:56,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:23:56,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:23:56,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:23:56,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:23:56,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:23:56,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:23:56,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:23:56,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:23:56,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:23:56,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:23:56,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:23:56,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:23:56,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:23:56,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:23:56,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:23:56,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:23:56,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:23:56,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:23:56,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:23:56,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:23:56,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:23:56,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:23:56,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:23:56,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:23:56,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:23:56,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:23:56,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:23:56,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:23:56,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:23:56,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:23:56,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:23:56,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:23:56,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:23:56,973 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f956b9-dc96-406b-952a-59167d6c28de/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:23:57,011 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:23:57,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:23:57,013 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:23:57,013 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:23:57,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:23:57,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:23:57,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:23:57,015 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:23:57,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:23:57,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:23:57,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:23:57,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:23:57,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:23:57,017 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:23:57,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:23:57,018 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:23:57,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:23:57,018 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:23:57,018 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:23:57,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:23:57,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:23:57,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:23:57,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:23:57,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:23:57,020 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:23:57,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:23:57,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:23:57,020 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_e3f956b9-dc96-406b-952a-59167d6c28de/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f956b9-dc96-406b-952a-59167d6c28de/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d412468cd64aacfdcefc246e93a3ecceac718c99c9cbd69d8c14d9acc4927672 [2022-11-21 23:23:57,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:23:57,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:23:57,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:23:57,395 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:23:57,396 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:23:57,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f956b9-dc96-406b-952a-59167d6c28de/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-restricted-15/ex3b.c [2022-11-21 23:24:00,408 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:24:00,602 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:24:00,602 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f956b9-dc96-406b-952a-59167d6c28de/sv-benchmarks/c/termination-restricted-15/ex3b.c [2022-11-21 23:24:00,608 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f956b9-dc96-406b-952a-59167d6c28de/bin/ukojak-jW3SillKbg/data/07afc4645/67c28f769fc14f058c1f4f6c279e7c3a/FLAG37852226b [2022-11-21 23:24:00,624 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f956b9-dc96-406b-952a-59167d6c28de/bin/ukojak-jW3SillKbg/data/07afc4645/67c28f769fc14f058c1f4f6c279e7c3a [2022-11-21 23:24:00,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:24:00,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:24:00,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:24:00,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:24:00,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:24:00,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:00,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0f3287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00, skipping insertion in model container [2022-11-21 23:24:00,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:00,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:24:00,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:24:00,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:24:00,883 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:24:00,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:24:00,916 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:24:00,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00 WrapperNode [2022-11-21 23:24:00,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:24:00,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:24:00,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:24:00,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:24:00,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:00,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:00,948 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2022-11-21 23:24:00,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:24:00,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:24:00,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:24:00,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:24:00,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:00,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:00,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:00,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:00,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:00,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:00,973 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:00,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:00,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:24:00,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:24:00,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:24:00,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:24:00,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:00,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:24:00,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f956b9-dc96-406b-952a-59167d6c28de/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:24:01,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f956b9-dc96-406b-952a-59167d6c28de/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:24:01,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f956b9-dc96-406b-952a-59167d6c28de/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:24:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:24:01,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:24:01,138 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:24:01,141 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:24:01,308 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:24:01,333 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:24:01,333 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 23:24:01,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:24:01 BoogieIcfgContainer [2022-11-21 23:24:01,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:24:01,337 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:24:01,337 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:24:01,348 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:24:01,348 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:24:01" (1/1) ... [2022-11-21 23:24:01,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:24:01,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:01,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-21 23:24:01,442 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-21 23:24:01,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:24:01,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:01,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:01,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:24:01,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:01,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:01,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:01,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2022-11-21 23:24:01,675 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2022-11-21 23:24:01,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:24:01,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:01,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:01,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 23:24:01,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:01,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:01,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-11-21 23:24:01,698 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-11-21 23:24:01,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:24:01,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:01,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:01,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 23:24:01,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:01,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:01,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:01,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2022-11-21 23:24:01,948 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2022-11-21 23:24:01,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:24:01,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:01,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:01,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 23:24:01,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:01,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:02,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:02,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2022-11-21 23:24:02,262 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2022-11-21 23:24:02,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:24:02,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:02,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:02,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:24:02,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:02,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:24:02,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:02,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-11-21 23:24:02,551 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-11-21 23:24:02,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:24:02,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:02,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:02,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 23:24:02,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:02,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2022-11-21 23:24:02,916 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2022-11-21 23:24:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:24:02,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:02,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:02,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 23:24:02,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:24:03,832 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 2 refuted. 3 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:25:08,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:08,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2022-11-21 23:25:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2022-11-21 23:25:08,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:25:08,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:08,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:08,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:25:08,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:08,406 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:25:08,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:08,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2022-11-21 23:25:08,863 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2022-11-21 23:25:08,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:25:08,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:08,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:08,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:25:08,888 INFO L286 TraceCheckSpWp]: Computing forward predicates...