./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.17-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad72554a-66ef-4612-8418-7136c4e28071/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad72554a-66ef-4612-8418-7136c4e28071/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_ad72554a-66ef-4612-8418-7136c4e28071/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad72554a-66ef-4612-8418-7136c4e28071/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.17-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad72554a-66ef-4612-8418-7136c4e28071/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_ad72554a-66ef-4612-8418-7136c4e28071/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 93cff60adb183fef3af5f3af7541e684acb33c49f5e09dc255d0e19d271c8517 --- 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 22:46:01,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:46:01,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:46:01,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:46:01,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:46:01,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:46:01,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:46:01,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:46:01,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:46:01,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:46:01,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:46:01,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:46:01,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:46:01,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:46:01,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:46:01,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:46:01,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:46:01,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:46:01,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:46:01,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:46:01,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:46:01,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:46:01,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:46:01,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:46:01,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:46:01,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:46:01,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:46:01,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:46:01,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:46:01,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:46:01,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:46:01,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:46:01,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:46:01,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:46:01,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:46:01,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:46:01,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:46:01,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:46:01,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:46:01,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:46:01,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:46:01,938 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad72554a-66ef-4612-8418-7136c4e28071/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:46:01,979 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:46:01,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:46:01,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:46:01,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:46:01,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:46:01,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:46:01,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:46:01,986 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:46:01,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:46:01,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:46:01,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:46:01,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:46:01,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:46:01,988 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:46:01,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:46:01,988 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:46:01,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:46:01,989 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:46:01,989 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:46:01,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:46:01,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:46:01,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:46:01,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:46:01,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:46:01,991 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:46:01,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:46:01,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:46:01,991 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_ad72554a-66ef-4612-8418-7136c4e28071/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad72554a-66ef-4612-8418-7136c4e28071/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93cff60adb183fef3af5f3af7541e684acb33c49f5e09dc255d0e19d271c8517 [2022-11-21 22:46:02,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:46:02,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:46:02,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:46:02,341 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:46:02,342 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:46:02,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad72554a-66ef-4612-8418-7136c4e28071/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-memory-alloca/b.17-alloca.i [2022-11-21 22:46:05,493 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:46:05,730 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:46:05,730 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad72554a-66ef-4612-8418-7136c4e28071/sv-benchmarks/c/termination-memory-alloca/b.17-alloca.i [2022-11-21 22:46:05,746 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad72554a-66ef-4612-8418-7136c4e28071/bin/ukojak-jW3SillKbg/data/e1f07ddc8/8073fc2ad334425891e7f7a29004beb6/FLAGa733c8078 [2022-11-21 22:46:06,084 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad72554a-66ef-4612-8418-7136c4e28071/bin/ukojak-jW3SillKbg/data/e1f07ddc8/8073fc2ad334425891e7f7a29004beb6 [2022-11-21 22:46:06,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:46:06,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:46:06,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:46:06,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:46:06,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:46:06,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:46:06" (1/1) ... [2022-11-21 22:46:06,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@304a6585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:06, skipping insertion in model container [2022-11-21 22:46:06,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:46:06" (1/1) ... [2022-11-21 22:46:06,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:46:06,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:46:06,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:46:06,459 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:46:06,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:46:06,550 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:46:06,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:06 WrapperNode [2022-11-21 22:46:06,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:46:06,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:46:06,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:46:06,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:46:06,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:06" (1/1) ... [2022-11-21 22:46:06,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:06" (1/1) ... [2022-11-21 22:46:06,597 INFO L138 Inliner]: procedures = 111, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2022-11-21 22:46:06,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:46:06,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:46:06,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:46:06,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:46:06,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:06" (1/1) ... [2022-11-21 22:46:06,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:06" (1/1) ... [2022-11-21 22:46:06,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:06" (1/1) ... [2022-11-21 22:46:06,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:06" (1/1) ... [2022-11-21 22:46:06,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:06" (1/1) ... [2022-11-21 22:46:06,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:06" (1/1) ... [2022-11-21 22:46:06,630 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:06" (1/1) ... [2022-11-21 22:46:06,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:06" (1/1) ... [2022-11-21 22:46:06,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:46:06,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:46:06,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:46:06,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:46:06,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:06" (1/1) ... [2022-11-21 22:46:06,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:46:06,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad72554a-66ef-4612-8418-7136c4e28071/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:46:06,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad72554a-66ef-4612-8418-7136c4e28071/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:46:06,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad72554a-66ef-4612-8418-7136c4e28071/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:46:06,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:46:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:46:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:46:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:46:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:46:06,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:46:06,875 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:46:06,877 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:46:07,012 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:46:07,042 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:46:07,043 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:46:07,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:46:07 BoogieIcfgContainer [2022-11-21 22:46:07,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:46:07,046 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:46:07,046 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:46:07,056 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:46:07,056 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:46:07" (1/1) ... [2022-11-21 22:46:07,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:46:07,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:07,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-11-21 22:46:07,158 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-21 22:46:07,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:46:07,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:07,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:08,525 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 22:46:08,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:08,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2022-11-21 22:46:08,651 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2022-11-21 22:46:08,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:46:08,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:08,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:09,669 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 22:46:10,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:10,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2022-11-21 22:46:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2022-11-21 22:46:10,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:46:10,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:10,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:10,797 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 22:46:12,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:12,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2022-11-21 22:46:12,046 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2022-11-21 22:46:12,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:46:12,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:12,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:12,585 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 22:46:13,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:13,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 38 states and 70 transitions. [2022-11-21 22:46:13,632 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 70 transitions. [2022-11-21 22:46:13,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:46:13,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:13,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:13,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:46:14,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:14,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2022-11-21 22:46:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2022-11-21 22:46:14,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:46:14,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:14,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:14,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:46:15,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:15,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2022-11-21 22:46:15,309 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2022-11-21 22:46:15,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:46:15,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:15,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:15,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:46:16,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:16,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 86 transitions. [2022-11-21 22:46:16,048 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 86 transitions. [2022-11-21 22:46:16,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:46:16,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:16,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:16,815 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 22:46:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 49 states and 103 transitions. [2022-11-21 22:46:19,286 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 103 transitions. [2022-11-21 22:46:19,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:46:19,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:19,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:19,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:46:20,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:20,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 51 states and 106 transitions. [2022-11-21 22:46:20,493 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 106 transitions. [2022-11-21 22:46:20,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:46:20,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:20,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:21,433 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 22:46:24,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:24,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 58 states and 127 transitions. [2022-11-21 22:46:24,548 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 127 transitions. [2022-11-21 22:46:24,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:46:24,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:24,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:25,959 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 22:46:31,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:31,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 65 states and 152 transitions. [2022-11-21 22:46:31,902 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 152 transitions. [2022-11-21 22:46:31,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:46:31,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:31,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:46:34,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:34,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 67 states and 159 transitions. [2022-11-21 22:46:34,586 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 159 transitions. [2022-11-21 22:46:34,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:46:34,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:34,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:35,493 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 22:46:37,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:37,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 70 states and 165 transitions. [2022-11-21 22:46:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 165 transitions. [2022-11-21 22:46:37,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:46:37,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:37,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:39,422 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 22:46:43,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:43,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 74 states and 175 transitions. [2022-11-21 22:46:43,273 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 175 transitions. [2022-11-21 22:46:43,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:46:43,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:43,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:43,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:46:45,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:45,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 77 states and 185 transitions. [2022-11-21 22:46:45,209 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 185 transitions. [2022-11-21 22:46:45,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:46:45,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:45,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:46:49,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:49,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 80 states and 197 transitions. [2022-11-21 22:46:49,110 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 197 transitions. [2022-11-21 22:46:49,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:46:49,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:49,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:49,714 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:46:51,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:51,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 82 states and 202 transitions. [2022-11-21 22:46:51,632 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2022-11-21 22:46:51,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:46:51,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:51,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:51,970 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:46:54,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:54,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 85 states and 208 transitions. [2022-11-21 22:46:54,415 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 208 transitions. [2022-11-21 22:46:54,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:46:54,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:54,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:55,104 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:46:58,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:58,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 90 states and 224 transitions. [2022-11-21 22:46:58,795 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 224 transitions. [2022-11-21 22:46:58,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:46:58,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:58,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:47:03,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:47:03,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 93 states and 229 transitions. [2022-11-21 22:47:03,268 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 229 transitions. [2022-11-21 22:47:03,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:47:03,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:47:03,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:47:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:47:04,506 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:47:11,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:47:11,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 99 states and 246 transitions. [2022-11-21 22:47:11,962 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 246 transitions. [2022-11-21 22:47:11,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:47:11,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:47:11,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:47:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:47:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:47:14,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:47:14,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 100 states and 245 transitions. [2022-11-21 22:47:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 245 transitions. [2022-11-21 22:47:14,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:47:14,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:47:14,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:47:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:47:14,870 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:47:16,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:47:16,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 102 states and 250 transitions. [2022-11-21 22:47:16,510 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 250 transitions. [2022-11-21 22:47:16,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:47:16,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:47:16,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:47:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:47:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:47:19,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:47:19,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 104 states and 254 transitions. [2022-11-21 22:47:19,277 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 254 transitions. [2022-11-21 22:47:19,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:47:19,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:47:19,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:47:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:47:20,936 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:47:27,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:47:27,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 108 states and 274 transitions. [2022-11-21 22:47:27,308 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 274 transitions. [2022-11-21 22:47:27,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:47:27,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:47:27,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:47:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:47:28,979 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:47:36,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:47:36,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 113 states and 286 transitions. [2022-11-21 22:47:36,168 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 286 transitions. [2022-11-21 22:47:36,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:47:36,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:47:36,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:47:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:47:36,441 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:47:38,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:47:38,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 114 states and 287 transitions. [2022-11-21 22:47:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 287 transitions. [2022-11-21 22:47:38,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:47:38,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:47:38,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:47:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:47:41,023 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:47:45,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:47:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 116 states and 293 transitions. [2022-11-21 22:47:45,283 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 293 transitions. [2022-11-21 22:47:45,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:47:45,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:47:45,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:47:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:47:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:47:46,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:47:46,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 117 states and 299 transitions. [2022-11-21 22:47:46,905 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 299 transitions. [2022-11-21 22:47:46,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 22:47:46,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:47:46,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:47:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:47:48,436 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:47:51,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:47:51,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 118 states and 299 transitions. [2022-11-21 22:47:51,760 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 299 transitions. [2022-11-21 22:47:51,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 22:47:51,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:47:51,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:47:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:47:52,778 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:47:57,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:47:57,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 122 states and 311 transitions. [2022-11-21 22:47:57,678 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 311 transitions. [2022-11-21 22:47:57,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 22:47:57,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:47:57,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:47:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:47:57,970 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:48:00,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:00,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 123 states and 312 transitions. [2022-11-21 22:48:00,346 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 312 transitions. [2022-11-21 22:48:00,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 22:48:00,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:48:00,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:48:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:48:00,438 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:48:02,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:02,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 125 states and 320 transitions. [2022-11-21 22:48:02,990 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 320 transitions. [2022-11-21 22:48:02,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 22:48:02,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:48:02,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:48:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:48:03,215 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:48:05,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:05,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 127 states and 323 transitions. [2022-11-21 22:48:05,752 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 323 transitions. [2022-11-21 22:48:05,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:48:05,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:48:05,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:48:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:48:10,538 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:48:18,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:18,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-11-21 22:48:18,645 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-11-21 22:48:18,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:48:18,645 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2022-11-21 22:48:18,654 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 22:48:18,907 INFO L560 CodeCheckObserver]: Invariant with dag size 37 [2022-11-21 22:48:18,921 INFO L560 CodeCheckObserver]: Invariant with dag size 30 [2022-11-21 22:48:18,923 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:48:18,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:48:18 ImpRootNode [2022-11-21 22:48:18,923 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:48:18,924 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:48:18,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:48:18,924 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:48:18,925 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:46:07" (3/4) ... [2022-11-21 22:48:18,930 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:48:18,939 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-21 22:48:18,940 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 22:48:18,940 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 22:48:18,940 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:48:19,002 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad72554a-66ef-4612-8418-7136c4e28071/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:48:19,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:48:19,003 INFO L158 Benchmark]: Toolchain (without parser) took 132914.35ms. Allocated memory was 159.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 119.4MB in the beginning and 588.6MB in the end (delta: -469.1MB). Peak memory consumption was 593.5MB. Max. memory is 16.1GB. [2022-11-21 22:48:19,003 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 119.5MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:48:19,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.77ms. Allocated memory is still 159.4MB. Free memory was 118.9MB in the beginning and 103.8MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:48:19,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.81ms. Allocated memory is still 159.4MB. Free memory was 103.8MB in the beginning and 101.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:48:19,004 INFO L158 Benchmark]: Boogie Preprocessor took 33.69ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 100.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:48:19,004 INFO L158 Benchmark]: RCFGBuilder took 411.48ms. Allocated memory is still 159.4MB. Free memory was 100.5MB in the beginning and 86.6MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 22:48:19,005 INFO L158 Benchmark]: CodeCheck took 131877.32ms. Allocated memory was 159.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 86.6MB in the beginning and 591.7MB in the end (delta: -505.2MB). Peak memory consumption was 557.9MB. Max. memory is 16.1GB. [2022-11-21 22:48:19,005 INFO L158 Benchmark]: Witness Printer took 78.22ms. Allocated memory is still 1.2GB. Free memory was 591.7MB in the beginning and 588.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:48:19,007 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, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 131.6s, OverallIterations: 36, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4242 SdHoareTripleChecker+Valid, 38.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3886 mSDsluCounter, 376 SdHoareTripleChecker+Invalid, 32.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 184 mSDsCounter, 3853 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21005 IncrementalHoareTripleChecker+Invalid, 24858 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3853 mSolverCounterUnsat, 192 mSDtfsCounter, 21005 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7197 GetRequests, 6355 SyntacticMatches, 210 SemanticMatches, 632 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192725 ImplicationChecksByTransitivity, 118.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 30.0s InterpolantComputationTime, 586 NumberOfCodeBlocks, 586 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 551 ConstructedInterpolants, 0 QuantifiedInterpolants, 5948 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 11 PerfectInterpolantSequences, 196/375 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: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: (((((((0 <= 2147483647 + unknown-#memory_int-unknown[x_ref][x_ref] && !(y_ref == x_ref)) && !(z_ref == y_ref)) && !(z_ref == x_ref)) && unknown-#memory_int-unknown[x_ref][x_ref] <= 2147483648) && !(unknown-#memory_int-unknown[z_ref][z_ref] + 1 <= unknown-#memory_int-unknown[x_ref][x_ref])) && unknown-#memory_int-unknown[y_ref][y_ref] <= 2147483647) && 0 <= unknown-#memory_int-unknown[y_ref][y_ref] + 2147483648) || ((((((!(y_ref == x_ref) && !(z_ref == y_ref)) && !(z_ref == x_ref)) && unknown-#memory_int-unknown[x_ref][x_ref] <= 2147483648) && unknown-#memory_int-unknown[z_ref][z_ref] + 1 <= unknown-#memory_int-unknown[x_ref][x_ref]) && unknown-#memory_int-unknown[y_ref][y_ref] <= 2147483647) && 0 <= unknown-#memory_int-unknown[z_ref][z_ref] + 2147483648) - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: (((((z_ref == x_ref || !(z_ref == x_ref)) && !(y_ref == x_ref)) && (unknown-#memory_int-unknown[x_ref][x_ref] <= 2147483647 || z_ref == x_ref)) && !(z_ref == y_ref)) && unknown-#memory_int-unknown[y_ref][y_ref] <= 2147483647) && 0 <= unknown-#memory_int-unknown[z_ref][z_ref] + 2147483648 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 119.5MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.77ms. Allocated memory is still 159.4MB. Free memory was 118.9MB in the beginning and 103.8MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.81ms. Allocated memory is still 159.4MB. Free memory was 103.8MB in the beginning and 101.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.69ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 100.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.48ms. Allocated memory is still 159.4MB. Free memory was 100.5MB in the beginning and 86.6MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 131877.32ms. Allocated memory was 159.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 86.6MB in the beginning and 591.7MB in the end (delta: -505.2MB). Peak memory consumption was 557.9MB. Max. memory is 16.1GB. * Witness Printer took 78.22ms. Allocated memory is still 1.2GB. Free memory was 591.7MB in the beginning and 588.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:48:19,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad72554a-66ef-4612-8418-7136c4e28071/bin/ukojak-jW3SillKbg/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