./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_cb3b9072-3560-40d6-bcdb-64ddc625189d/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/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_cb3b9072-3560-40d6-bcdb-64ddc625189d/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/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 32bit --witnessprinter.graph.data.programhash 3f8ee4f5181b3404c1367dbf131683f1e761cea6b176154f687b628466c991fe --- 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 22:11:51,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:11:51,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:11:51,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:11:51,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:11:51,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:11:51,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:11:51,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:11:51,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:11:51,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:11:51,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:11:51,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:11:51,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:11:51,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:11:51,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:11:51,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:11:51,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:11:51,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:11:51,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:11:51,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:11:51,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:11:51,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:11:51,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:11:51,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:11:51,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:11:51,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:11:51,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:11:51,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:11:51,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:11:51,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:11:51,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:11:51,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:11:51,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:11:51,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:11:51,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:11:51,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:11:51,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:11:51,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:11:51,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:11:51,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:11:51,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:11:51,724 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:11:51,757 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:11:51,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:11:51,758 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:11:51,759 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:11:51,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:11:51,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:11:51,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:11:51,760 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:11:51,760 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:11:51,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:11:51,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:11:51,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:11:51,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:11:51,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:11:51,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:11:51,763 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:11:51,763 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:11:51,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:11:51,763 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:11:51,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:11:51,764 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:11:51,764 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:11:51,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:11:51,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:11:51,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:11:51,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:11:51,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:11:51,765 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:11:51,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:11:51,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:11:51,766 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_cb3b9072-3560-40d6-bcdb-64ddc625189d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f8ee4f5181b3404c1367dbf131683f1e761cea6b176154f687b628466c991fe [2022-11-21 22:11:52,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:11:52,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:11:52,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:11:52,160 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:11:52,161 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:11:52,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2022-11-21 22:11:55,307 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:11:55,485 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:11:55,486 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2022-11-21 22:11:55,494 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/bin/ukojak-jW3SillKbg/data/6753d90eb/5c833372eb1c4af08e2e5cea679e86b3/FLAG38edac269 [2022-11-21 22:11:55,510 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/bin/ukojak-jW3SillKbg/data/6753d90eb/5c833372eb1c4af08e2e5cea679e86b3 [2022-11-21 22:11:55,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:11:55,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:11:55,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:11:55,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:11:55,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:11:55,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:55" (1/1) ... [2022-11-21 22:11:55,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af1085a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:55, skipping insertion in model container [2022-11-21 22:11:55,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:55" (1/1) ... [2022-11-21 22:11:55,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:11:55,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:11:55,805 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/sv-benchmarks/c/recursive-simple/id_i10_o10-2.c[454,467] [2022-11-21 22:11:55,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:11:55,819 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:11:55,837 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/sv-benchmarks/c/recursive-simple/id_i10_o10-2.c[454,467] [2022-11-21 22:11:55,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:11:55,850 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:11:55,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:55 WrapperNode [2022-11-21 22:11:55,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:11:55,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:11:55,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:11:55,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:11:55,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:55" (1/1) ... [2022-11-21 22:11:55,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:55" (1/1) ... [2022-11-21 22:11:55,886 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-21 22:11:55,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:11:55,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:11:55,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:11:55,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:11:55,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:55" (1/1) ... [2022-11-21 22:11:55,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:55" (1/1) ... [2022-11-21 22:11:55,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:55" (1/1) ... [2022-11-21 22:11:55,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:55" (1/1) ... [2022-11-21 22:11:55,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:55" (1/1) ... [2022-11-21 22:11:55,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:55" (1/1) ... [2022-11-21 22:11:55,910 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:55" (1/1) ... [2022-11-21 22:11:55,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:55" (1/1) ... [2022-11-21 22:11:55,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:11:55,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:11:55,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:11:55,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:11:55,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:55" (1/1) ... [2022-11-21 22:11:55,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:11:55,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:11:55,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:11:55,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:11:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:11:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:11:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:11:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:11:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-11-21 22:11:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-11-21 22:11:56,061 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:11:56,064 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:11:56,162 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:11:56,187 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:11:56,188 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:11:56,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:56 BoogieIcfgContainer [2022-11-21 22:11:56,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:11:56,191 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:11:56,192 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:11:56,202 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:11:56,202 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:56" (1/1) ... [2022-11-21 22:11:56,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:11:56,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:11:56,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2022-11-21 22:11:56,268 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-21 22:11:56,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:11:56,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:11:56,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:11:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:11:56,472 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 22:11:56,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:11:56,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2022-11-21 22:11:56,551 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-21 22:11:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:11:56,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:11:56,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:11:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:11:56,638 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 22:11:56,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:11:56,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 28 transitions. [2022-11-21 22:11:56,885 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-21 22:11:56,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:11:56,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:11:56,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:11:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:11:56,995 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 22:11:57,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:11:57,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 22 transitions. [2022-11-21 22:11:57,027 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-21 22:11:57,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:11:57,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:11:57,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:11:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:11:57,138 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 22:11:57,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:11:57,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 28 transitions. [2022-11-21 22:11:57,290 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-21 22:11:57,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:11:57,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:11:57,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:11:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:11:57,450 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 22:11:57,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:11:57,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 34 transitions. [2022-11-21 22:11:57,663 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-11-21 22:11:57,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:11:57,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:11:57,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:11:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:11:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:11:58,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:11:58,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 40 transitions. [2022-11-21 22:11:58,159 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-11-21 22:11:58,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 22:11:58,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:11:58,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:11:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:11:58,320 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:11:58,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:11:58,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 46 transitions. [2022-11-21 22:11:58,564 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-11-21 22:11:58,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:11:58,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:11:58,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:11:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:11:58,751 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:11:58,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:11:58,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 52 transitions. [2022-11-21 22:11:58,978 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2022-11-21 22:11:58,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:11:58,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:11:58,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:11:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:11:59,241 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:11:59,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:11:59,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 58 transitions. [2022-11-21 22:11:59,484 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2022-11-21 22:11:59,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-21 22:11:59,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:11:59,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:11:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:11:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:11:59,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:11:59,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 56 states and 64 transitions. [2022-11-21 22:11:59,945 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2022-11-21 22:11:59,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 22:11:59,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:11:59,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:11:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:00,171 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:12:00,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:00,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 61 states and 70 transitions. [2022-11-21 22:12:00,435 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2022-11-21 22:12:00,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 22:12:00,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:00,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:00,655 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:12:00,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:00,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 76 transitions. [2022-11-21 22:12:00,939 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2022-11-21 22:12:00,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-21 22:12:00,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:00,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:01,199 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:12:01,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:01,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 63 states and 72 transitions. [2022-11-21 22:12:01,512 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2022-11-21 22:12:01,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 22:12:01,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:01,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:01,681 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:12:01,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:01,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 86 transitions. [2022-11-21 22:12:01,861 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2022-11-21 22:12:01,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-21 22:12:01,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:01,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:01,904 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:12:01,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:01,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 86 transitions. [2022-11-21 22:12:01,929 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2022-11-21 22:12:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-21 22:12:01,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:01,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:02,102 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:12:02,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:02,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 72 states and 99 transitions. [2022-11-21 22:12:02,522 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2022-11-21 22:12:02,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-21 22:12:02,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:02,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:02,615 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-21 22:12:02,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:02,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 71 states and 98 transitions. [2022-11-21 22:12:02,935 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2022-11-21 22:12:02,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-21 22:12:02,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:02,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:03,125 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:12:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:03,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 76 states and 110 transitions. [2022-11-21 22:12:03,665 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2022-11-21 22:12:03,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-21 22:12:03,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:03,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:03,888 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:12:04,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:04,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 81 states and 121 transitions. [2022-11-21 22:12:04,352 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2022-11-21 22:12:04,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-21 22:12:04,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:04,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:04,592 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:12:05,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:05,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 86 states and 131 transitions. [2022-11-21 22:12:05,110 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2022-11-21 22:12:05,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-21 22:12:05,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:05,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:05,387 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:12:05,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:05,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 91 states and 140 transitions. [2022-11-21 22:12:05,912 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 140 transitions. [2022-11-21 22:12:05,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-21 22:12:05,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:05,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:06,216 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:12:06,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:06,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 96 states and 148 transitions. [2022-11-21 22:12:06,745 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions. [2022-11-21 22:12:06,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-21 22:12:06,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:06,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:07,074 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:12:07,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:07,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 101 states and 155 transitions. [2022-11-21 22:12:07,600 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2022-11-21 22:12:07,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-21 22:12:07,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:07,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:07,906 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:12:08,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:08,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 161 transitions. [2022-11-21 22:12:08,530 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 161 transitions. [2022-11-21 22:12:08,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-21 22:12:08,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:12:08,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:12:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:12:08,932 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:12:09,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:12:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 108 states and 163 transitions. [2022-11-21 22:12:09,528 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 163 transitions. [2022-11-21 22:12:09,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:12:09,529 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2022-11-21 22:12:09,542 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 22:12:09,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:12:09 ImpRootNode [2022-11-21 22:12:09,950 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:12:09,950 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:12:09,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:12:09,951 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:12:09,951 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:56" (3/4) ... [2022-11-21 22:12:09,954 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:12:09,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-11-21 22:12:09,967 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-21 22:12:09,967 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 22:12:09,967 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 22:12:09,967 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:12:10,005 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:12:10,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:12:10,006 INFO L158 Benchmark]: Toolchain (without parser) took 14488.93ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 125.4MB in the beginning and 223.7MB in the end (delta: -98.3MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-11-21 22:12:10,007 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:12:10,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.55ms. Allocated memory is still 161.5MB. Free memory was 125.4MB in the beginning and 128.6MB in the end (delta: -3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 22:12:10,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.25ms. Allocated memory is still 161.5MB. Free memory was 128.6MB in the beginning and 127.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:12:10,008 INFO L158 Benchmark]: Boogie Preprocessor took 26.47ms. Allocated memory is still 161.5MB. Free memory was 127.2MB in the beginning and 126.5MB in the end (delta: 632.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:12:10,008 INFO L158 Benchmark]: RCFGBuilder took 274.78ms. Allocated memory is still 161.5MB. Free memory was 126.5MB in the beginning and 116.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 22:12:10,009 INFO L158 Benchmark]: CodeCheck took 13758.66ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 116.0MB in the beginning and 226.8MB in the end (delta: -110.8MB). Peak memory consumption was 153.4MB. Max. memory is 16.1GB. [2022-11-21 22:12:10,009 INFO L158 Benchmark]: Witness Printer took 55.05ms. Allocated memory is still 283.1MB. Free memory was 226.8MB in the beginning and 223.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:12:10,012 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 2 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 13.3s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1807 SdHoareTripleChecker+Valid, 13.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1675 mSDsluCounter, 1412 SdHoareTripleChecker+Invalid, 11.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 208 mSDsCounter, 3093 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8770 IncrementalHoareTripleChecker+Invalid, 11863 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3093 mSolverCounterUnsat, 1204 mSDtfsCounter, 8770 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12549 GetRequests, 12364 SyntacticMatches, 5 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12822 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 1284 NumberOfCodeBlocks, 1284 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1259 ConstructedInterpolants, 0 QuantifiedInterpolants, 2496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 6 PerfectInterpolantSequences, 2948/4773 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.55ms. Allocated memory is still 161.5MB. Free memory was 125.4MB in the beginning and 128.6MB in the end (delta: -3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.25ms. Allocated memory is still 161.5MB. Free memory was 128.6MB in the beginning and 127.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.47ms. Allocated memory is still 161.5MB. Free memory was 127.2MB in the beginning and 126.5MB in the end (delta: 632.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 274.78ms. Allocated memory is still 161.5MB. Free memory was 126.5MB in the beginning and 116.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 13758.66ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 116.0MB in the beginning and 226.8MB in the end (delta: -110.8MB). Peak memory consumption was 153.4MB. Max. memory is 16.1GB. * Witness Printer took 55.05ms. Allocated memory is still 283.1MB. Free memory was 226.8MB in the beginning and 223.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:12:10,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b9072-3560-40d6-bcdb-64ddc625189d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE