./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ --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 24b324df47240879a1026414d2072939995ae458b0fcac5c73b0c0533472de23 --- 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-6b4ec56 [2022-11-20 18:17:03,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:17:03,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:17:03,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:17:03,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:17:03,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:17:03,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:17:03,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:17:03,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:17:03,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:17:03,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:17:03,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:17:03,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:17:03,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:17:03,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:17:03,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:17:03,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:17:03,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:17:03,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:17:03,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:17:03,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:17:03,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:17:03,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:17:03,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:17:03,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:17:03,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:17:03,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:17:03,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:17:03,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:17:03,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:17:03,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:17:03,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:17:03,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:17:03,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:17:03,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:17:03,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:17:03,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:17:03,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:17:03,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:17:03,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:17:03,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:17:03,783 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:17:03,804 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:17:03,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:17:03,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:17:03,805 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:17:03,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:17:03,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:17:03,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:17:03,807 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:17:03,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:17:03,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:17:03,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:17:03,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:17:03,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:17:03,808 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:17:03,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:17:03,809 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:17:03,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:17:03,809 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:17:03,810 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:17:03,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:17:03,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:17:03,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:17:03,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:17:03,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:17:03,811 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:17:03,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:17:03,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:17:03,812 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_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24b324df47240879a1026414d2072939995ae458b0fcac5c73b0c0533472de23 [2022-11-20 18:17:04,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:17:04,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:17:04,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:17:04,150 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:17:04,150 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:17:04,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_04_good.i [2022-11-20 18:17:07,191 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:17:07,600 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:17:07,601 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f676127c-89c9-4eda-a8a7-bdf7f0e72009/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_04_good.i [2022-11-20 18:17:07,629 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ/data/012f12544/9d8c9370cc284fdbba51d69819540a05/FLAG08ba2b2d8 [2022-11-20 18:17:07,649 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ/data/012f12544/9d8c9370cc284fdbba51d69819540a05 [2022-11-20 18:17:07,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:17:07,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:17:07,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:17:07,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:17:07,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:17:07,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:17:07" (1/1) ... [2022-11-20 18:17:07,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592a2058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:07, skipping insertion in model container [2022-11-20 18:17:07,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:17:07" (1/1) ... [2022-11-20 18:17:07,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:17:07,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:17:08,181 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:17:08,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:17:08,684 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:17:08,704 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:17:08,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:17:08,915 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:17:08,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:08 WrapperNode [2022-11-20 18:17:08,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:17:08,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:17:08,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:17:08,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:17:08,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:08" (1/1) ... [2022-11-20 18:17:08,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:08" (1/1) ... [2022-11-20 18:17:09,027 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 109 [2022-11-20 18:17:09,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:17:09,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:17:09,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:17:09,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:17:09,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:08" (1/1) ... [2022-11-20 18:17:09,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:08" (1/1) ... [2022-11-20 18:17:09,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:08" (1/1) ... [2022-11-20 18:17:09,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:08" (1/1) ... [2022-11-20 18:17:09,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:08" (1/1) ... [2022-11-20 18:17:09,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:08" (1/1) ... [2022-11-20 18:17:09,078 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:08" (1/1) ... [2022-11-20 18:17:09,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:08" (1/1) ... [2022-11-20 18:17:09,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:17:09,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:17:09,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:17:09,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:17:09,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:08" (1/1) ... [2022-11-20 18:17:09,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:17:09,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:17:09,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:17:09,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:17:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 18:17:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 18:17:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 18:17:09,181 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:17:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:17:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:17:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 18:17:09,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:17:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:17:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:17:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:17:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:17:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:17:09,341 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:17:09,344 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:17:09,604 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:17:09,721 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:17:09,721 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:17:09,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:09 BoogieIcfgContainer [2022-11-20 18:17:09,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:17:09,725 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:17:09,725 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:17:09,741 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:17:09,741 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:09" (1/1) ... [2022-11-20 18:17:09,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:17:09,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:09,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-20 18:17:09,828 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-20 18:17:09,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:17:09,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:09,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:10,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:10,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:10,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-11-20 18:17:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 18:17:10,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:17:10,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:10,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:10,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:10,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:10,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-11-20 18:17:10,413 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-20 18:17:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:17:10,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:10,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:10,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:10,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:10,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 77 transitions. [2022-11-20 18:17:10,539 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2022-11-20 18:17:10,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:17:10,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:10,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:17:10,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 70 transitions. [2022-11-20 18:17:10,709 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-20 18:17:10,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:17:10,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:10,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:17:11,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:11,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 72 transitions. [2022-11-20 18:17:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 18:17:11,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:17:11,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:11,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:11,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:17:11,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:11,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 59 states and 82 transitions. [2022-11-20 18:17:11,716 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-11-20 18:17:11,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:17:11,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:11,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:11,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:17:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 76 transitions. [2022-11-20 18:17:11,844 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-20 18:17:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:17:11,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:11,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:12,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 79 transitions. [2022-11-20 18:17:12,142 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-11-20 18:17:12,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:17:12,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:12,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:12,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:17:12,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:12,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 63 states and 86 transitions. [2022-11-20 18:17:12,260 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-20 18:17:12,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:17:12,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:12,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:12,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:17:12,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 83 transitions. [2022-11-20 18:17:12,483 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-20 18:17:12,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:17:12,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:12,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:12,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:17:12,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:12,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 82 transitions. [2022-11-20 18:17:12,659 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2022-11-20 18:17:12,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:17:12,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:12,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:12,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:17:12,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:12,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 84 transitions. [2022-11-20 18:17:12,807 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-11-20 18:17:12,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:17:12,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:12,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:17:13,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:13,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 62 states and 82 transitions. [2022-11-20 18:17:13,023 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-11-20 18:17:13,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:17:13,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:13,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:13,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:17:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:13,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 50 states and 66 transitions. [2022-11-20 18:17:13,071 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-20 18:17:13,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:17:13,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:13,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:13,109 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:17:13,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:13,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 48 states and 63 transitions. [2022-11-20 18:17:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-20 18:17:13,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:17:13,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:13,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:13,265 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:17:13,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:13,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 67 transitions. [2022-11-20 18:17:13,314 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-20 18:17:13,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:17:13,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:13,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:13,422 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:17:13,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:13,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 53 states and 72 transitions. [2022-11-20 18:17:13,550 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 18:17:13,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:17:13,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:13,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:17:14,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:14,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 62 states and 86 transitions. [2022-11-20 18:17:14,262 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-11-20 18:17:14,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:17:14,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:14,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:14,302 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:17:14,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:14,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 65 states and 90 transitions. [2022-11-20 18:17:14,634 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-20 18:17:14,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 18:17:14,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:14,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:14,695 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:17:15,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:15,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 62 states and 85 transitions. [2022-11-20 18:17:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-11-20 18:17:15,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 18:17:15,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:15,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:17:15,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:15,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 65 states and 90 transitions. [2022-11-20 18:17:15,443 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-20 18:17:15,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 18:17:15,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:15,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:15,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:17:15,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:15,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 68 states and 93 transitions. [2022-11-20 18:17:15,880 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2022-11-20 18:17:15,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 18:17:15,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:15,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:15,982 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-20 18:17:16,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:16,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 67 states and 90 transitions. [2022-11-20 18:17:16,280 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-11-20 18:17:16,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:17:16,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:16,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:17:16,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:16,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 72 states and 99 transitions. [2022-11-20 18:17:16,599 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2022-11-20 18:17:16,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 18:17:16,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:16,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:16,639 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:17:17,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:17,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 44 states and 56 transitions. [2022-11-20 18:17:17,071 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-20 18:17:17,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 18:17:17,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:17,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:17,234 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:17:17,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:17,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 43 states and 55 transitions. [2022-11-20 18:17:17,382 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-20 18:17:17,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:17:17,383 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-11-20 18:17:17,391 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 18:17:17,731 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:17:17,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:17:17 ImpRootNode [2022-11-20 18:17:17,736 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:17:17,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:17:17,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:17:17,737 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:17:17,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:09" (3/4) ... [2022-11-20 18:17:17,750 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:17:17,760 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 18:17:17,761 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 18:17:17,766 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 18:17:17,766 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 18:17:17,767 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 18:17:17,767 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:17:17,767 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:17:17,841 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:17:17,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:17:17,845 INFO L158 Benchmark]: Toolchain (without parser) took 10188.53ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 111.6MB in the beginning and 131.2MB in the end (delta: -19.6MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2022-11-20 18:17:17,845 INFO L158 Benchmark]: CDTParser took 1.60ms. Allocated memory is still 121.6MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:17:17,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1258.68ms. Allocated memory is still 151.0MB. Free memory was 111.3MB in the beginning and 65.5MB in the end (delta: 45.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-20 18:17:17,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.56ms. Allocated memory is still 151.0MB. Free memory was 65.5MB in the beginning and 62.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:17:17,846 INFO L158 Benchmark]: Boogie Preprocessor took 64.30ms. Allocated memory is still 151.0MB. Free memory was 62.4MB in the beginning and 60.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:17:17,846 INFO L158 Benchmark]: RCFGBuilder took 630.63ms. Allocated memory is still 151.0MB. Free memory was 60.8MB in the beginning and 117.8MB in the end (delta: -56.9MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-11-20 18:17:17,850 INFO L158 Benchmark]: CodeCheck took 8011.08ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 117.8MB in the beginning and 135.3MB in the end (delta: -17.5MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2022-11-20 18:17:17,851 INFO L158 Benchmark]: Witness Printer took 106.94ms. Allocated memory is still 220.2MB. Free memory was 135.3MB in the beginning and 131.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:17:17,853 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: 7.6s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4615 SdHoareTripleChecker+Valid, 9.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1723 mSDsluCounter, 3637 SdHoareTripleChecker+Invalid, 7.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1400 mSDsCounter, 1055 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4553 IncrementalHoareTripleChecker+Invalid, 5608 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1055 mSolverCounterUnsat, 2237 mSDtfsCounter, 4553 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6123 GetRequests, 5951 SyntacticMatches, 12 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12731 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 585 ConstructedInterpolants, 0 QuantifiedInterpolants, 1246 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: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: 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: 1664]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60ms. Allocated memory is still 121.6MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1258.68ms. Allocated memory is still 151.0MB. Free memory was 111.3MB in the beginning and 65.5MB in the end (delta: 45.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.56ms. Allocated memory is still 151.0MB. Free memory was 65.5MB in the beginning and 62.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.30ms. Allocated memory is still 151.0MB. Free memory was 62.4MB in the beginning and 60.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 630.63ms. Allocated memory is still 151.0MB. Free memory was 60.8MB in the beginning and 117.8MB in the end (delta: -56.9MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * CodeCheck took 8011.08ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 117.8MB in the beginning and 135.3MB in the end (delta: -17.5MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Witness Printer took 106.94ms. Allocated memory is still 220.2MB. Free memory was 135.3MB in the beginning and 131.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:17:17,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f676127c-89c9-4eda-a8a7-bdf7f0e72009/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE