./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74432f6d-56aa-4621-a1c8-edebc0c34923/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74432f6d-56aa-4621-a1c8-edebc0c34923/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_74432f6d-56aa-4621-a1c8-edebc0c34923/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74432f6d-56aa-4621-a1c8-edebc0c34923/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74432f6d-56aa-4621-a1c8-edebc0c34923/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_74432f6d-56aa-4621-a1c8-edebc0c34923/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 5ac49e246ef6e57eac4d8b67d1692efdce59582a771daf5619e79bb61725ee9e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:05:35,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:05:35,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:05:35,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:05:35,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:05:35,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:05:35,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:05:35,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:05:35,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:05:35,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:05:35,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:05:35,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:05:35,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:05:35,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:05:35,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:05:35,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:05:35,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:05:35,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:05:35,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:05:35,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:05:35,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:05:35,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:05:35,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:05:35,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:05:35,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:05:35,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:05:35,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:05:35,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:05:35,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:05:35,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:05:35,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:05:35,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:05:35,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:05:35,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:05:35,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:05:35,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:05:35,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:05:35,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:05:35,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:05:35,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:05:35,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:05:35,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74432f6d-56aa-4621-a1c8-edebc0c34923/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:05:35,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:05:35,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:05:35,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:05:35,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:05:35,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:05:35,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:05:35,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:05:35,880 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:05:35,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:05:35,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:05:35,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:05:35,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:05:35,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:05:35,882 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:05:35,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:05:35,882 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:05:35,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:05:35,883 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:05:35,883 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:05:35,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:05:35,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:05:35,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:05:35,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:05:35,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:05:35,885 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:05:35,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:05:35,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:05:35,886 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_74432f6d-56aa-4621-a1c8-edebc0c34923/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74432f6d-56aa-4621-a1c8-edebc0c34923/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ac49e246ef6e57eac4d8b67d1692efdce59582a771daf5619e79bb61725ee9e [2022-11-21 23:05:36,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:05:36,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:05:36,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:05:36,240 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:05:36,241 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:05:36,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74432f6d-56aa-4621-a1c8-edebc0c34923/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_04_good.i [2022-11-21 23:05:39,598 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:05:40,018 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:05:40,019 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74432f6d-56aa-4621-a1c8-edebc0c34923/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_04_good.i [2022-11-21 23:05:40,044 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74432f6d-56aa-4621-a1c8-edebc0c34923/bin/ukojak-jW3SillKbg/data/35d6e73f8/a43067bb1b3a4150891d61465947efb9/FLAG374b0b35b [2022-11-21 23:05:40,062 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74432f6d-56aa-4621-a1c8-edebc0c34923/bin/ukojak-jW3SillKbg/data/35d6e73f8/a43067bb1b3a4150891d61465947efb9 [2022-11-21 23:05:40,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:05:40,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:05:40,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:05:40,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:05:40,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:05:40,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:05:40" (1/1) ... [2022-11-21 23:05:40,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62581d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:40, skipping insertion in model container [2022-11-21 23:05:40,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:05:40" (1/1) ... [2022-11-21 23:05:40,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:05:40,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:05:40,551 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:05:41,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:05:41,213 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:05:41,237 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:05:41,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:05:41,519 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:05:41,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:41 WrapperNode [2022-11-21 23:05:41,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:05:41,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:05:41,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:05:41,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:05:41,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:41" (1/1) ... [2022-11-21 23:05:41,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:41" (1/1) ... [2022-11-21 23:05:41,613 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 121 [2022-11-21 23:05:41,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:05:41,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:05:41,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:05:41,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:05:41,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:41" (1/1) ... [2022-11-21 23:05:41,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:41" (1/1) ... [2022-11-21 23:05:41,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:41" (1/1) ... [2022-11-21 23:05:41,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:41" (1/1) ... [2022-11-21 23:05:41,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:41" (1/1) ... [2022-11-21 23:05:41,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:41" (1/1) ... [2022-11-21 23:05:41,644 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:41" (1/1) ... [2022-11-21 23:05:41,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:41" (1/1) ... [2022-11-21 23:05:41,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:05:41,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:05:41,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:05:41,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:05:41,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:41" (1/1) ... [2022-11-21 23:05:41,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:05:41,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74432f6d-56aa-4621-a1c8-edebc0c34923/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:05:41,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74432f6d-56aa-4621-a1c8-edebc0c34923/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:05:41,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74432f6d-56aa-4621-a1c8-edebc0c34923/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:05:41,751 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:05:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:05:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 23:05:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:05:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:05:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:05:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 23:05:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:05:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:05:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:05:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:05:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:05:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:05:42,005 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:05:42,008 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:05:42,370 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:05:42,438 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:05:42,446 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:05:42,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:05:42 BoogieIcfgContainer [2022-11-21 23:05:42,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:05:42,451 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:05:42,451 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:05:42,466 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:05:42,467 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:05:42" (1/1) ... [2022-11-21 23:05:42,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:05:42,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:42,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-21 23:05:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-21 23:05:42,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:05:42,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:42,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:42,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:05:42,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:43,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-11-21 23:05:43,000 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 23:05:43,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:05:43,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:43,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:43,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:05:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:43,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-11-21 23:05:43,245 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-21 23:05:43,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:05:43,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:43,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:43,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:05:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:43,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 77 transitions. [2022-11-21 23:05:43,518 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2022-11-21 23:05:43,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:05:43,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:43,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:43,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:05:43,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:43,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 70 transitions. [2022-11-21 23:05:43,839 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-21 23:05:43,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:05:43,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:43,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:05:44,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:44,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 72 transitions. [2022-11-21 23:05:44,477 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 23:05:44,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:05:44,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:44,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:05:44,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:44,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 59 states and 82 transitions. [2022-11-21 23:05:44,927 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-11-21 23:05:44,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:05:44,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:44,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:45,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:05:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:45,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 76 transitions. [2022-11-21 23:05:45,027 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-21 23:05:45,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:05:45,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:45,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:45,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:05:45,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:45,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 79 transitions. [2022-11-21 23:05:45,296 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-11-21 23:05:45,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:05:45,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:45,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:45,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:05:45,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:45,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 63 states and 86 transitions. [2022-11-21 23:05:45,516 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-21 23:05:45,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:05:45,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:45,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:05:45,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:45,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 83 transitions. [2022-11-21 23:05:45,817 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-21 23:05:45,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:05:45,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:45,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:05:46,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:46,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 82 transitions. [2022-11-21 23:05:46,052 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2022-11-21 23:05:46,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:05:46,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:46,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:05:46,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:46,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 84 transitions. [2022-11-21 23:05:46,255 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-11-21 23:05:46,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:05:46,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:46,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:46,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:05:46,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:46,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 62 states and 82 transitions. [2022-11-21 23:05:46,650 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-11-21 23:05:46,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:05:46,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:46,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:46,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:05:46,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:46,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 50 states and 66 transitions. [2022-11-21 23:05:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-21 23:05:46,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:05:46,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:46,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:05:46,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:46,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 48 states and 63 transitions. [2022-11-21 23:05:46,868 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-21 23:05:46,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:05:46,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:46,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:47,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:05:47,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:47,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 67 transitions. [2022-11-21 23:05:47,164 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-21 23:05:47,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:05:47,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:47,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:05:47,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 53 states and 72 transitions. [2022-11-21 23:05:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 23:05:47,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:05:47,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:47,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:47,702 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 23:05:48,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:48,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 62 states and 86 transitions. [2022-11-21 23:05:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-11-21 23:05:48,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:05:48,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:48,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:05:49,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:49,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 65 states and 90 transitions. [2022-11-21 23:05:49,045 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-21 23:05:49,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:05:49,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:49,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:49,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:05:49,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:49,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 62 states and 85 transitions. [2022-11-21 23:05:49,509 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-11-21 23:05:49,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:05:49,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:49,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:49,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:05:49,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:49,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 65 states and 88 transitions. [2022-11-21 23:05:49,973 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2022-11-21 23:05:49,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:05:49,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:49,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:50,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:05:50,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:50,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 63 states and 85 transitions. [2022-11-21 23:05:50,475 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2022-11-21 23:05:50,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:05:50,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:50,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:50,530 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 23:05:50,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:50,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 62 states and 82 transitions. [2022-11-21 23:05:50,904 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-11-21 23:05:50,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 23:05:50,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:50,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:51,177 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:05:51,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:51,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 67 states and 91 transitions. [2022-11-21 23:05:51,789 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2022-11-21 23:05:51,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:05:51,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:51,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:51,831 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 23:05:51,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:51,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 44 states and 56 transitions. [2022-11-21 23:05:51,853 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-21 23:05:51,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:05:51,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:51,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:05:52,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:52,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 43 states and 55 transitions. [2022-11-21 23:05:52,508 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-21 23:05:52,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:05:52,508 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-11-21 23:05:52,520 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 23:05:52,897 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:05:52,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:05:52 ImpRootNode [2022-11-21 23:05:52,912 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:05:52,913 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:05:52,913 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:05:52,913 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:05:52,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:05:42" (3/4) ... [2022-11-21 23:05:52,923 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:05:52,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:05:52,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:05:52,940 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 23:05:52,942 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 23:05:52,943 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:05:52,945 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:05:52,945 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:05:53,045 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74432f6d-56aa-4621-a1c8-edebc0c34923/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:05:53,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:05:53,046 INFO L158 Benchmark]: Toolchain (without parser) took 12979.01ms. Allocated memory was 157.3MB in the beginning and 251.7MB in the end (delta: 94.4MB). Free memory was 109.1MB in the beginning and 197.4MB in the end (delta: -88.3MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-11-21 23:05:53,046 INFO L158 Benchmark]: CDTParser took 1.70ms. Allocated memory is still 157.3MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:05:53,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1451.43ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 108.7MB in the beginning and 164.5MB in the end (delta: -55.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2022-11-21 23:05:53,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.51ms. Allocated memory is still 209.7MB. Free memory was 164.5MB in the beginning and 161.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:05:53,055 INFO L158 Benchmark]: Boogie Preprocessor took 34.40ms. Allocated memory is still 209.7MB. Free memory was 161.3MB in the beginning and 159.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:05:53,055 INFO L158 Benchmark]: RCFGBuilder took 786.97ms. Allocated memory is still 209.7MB. Free memory was 159.2MB in the beginning and 140.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 23:05:53,056 INFO L158 Benchmark]: CodeCheck took 10461.63ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 140.4MB in the beginning and 201.6MB in the end (delta: -61.2MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. [2022-11-21 23:05:53,056 INFO L158 Benchmark]: Witness Printer took 132.39ms. Allocated memory is still 251.7MB. Free memory was 201.6MB in the beginning and 197.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:05:53,058 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 3 procedures, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4471 SdHoareTripleChecker+Valid, 8.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1579 mSDsluCounter, 3521 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1316 mSDsCounter, 1187 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4615 IncrementalHoareTripleChecker+Invalid, 5802 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1187 mSolverCounterUnsat, 2205 mSDtfsCounter, 4615 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6096 GetRequests, 5910 SyntacticMatches, 12 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14065 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 585 ConstructedInterpolants, 0 QuantifiedInterpolants, 1242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.70ms. Allocated memory is still 157.3MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1451.43ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 108.7MB in the beginning and 164.5MB in the end (delta: -55.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.51ms. Allocated memory is still 209.7MB. Free memory was 164.5MB in the beginning and 161.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.40ms. Allocated memory is still 209.7MB. Free memory was 161.3MB in the beginning and 159.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 786.97ms. Allocated memory is still 209.7MB. Free memory was 159.2MB in the beginning and 140.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 10461.63ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 140.4MB in the beginning and 201.6MB in the end (delta: -61.2MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. * Witness Printer took 132.39ms. Allocated memory is still 251.7MB. Free memory was 201.6MB in the beginning and 197.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:05:53,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74432f6d-56aa-4621-a1c8-edebc0c34923/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