./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/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_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/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_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/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 4e9bda3e50dab498e3de1810c058a69f77db53aab215d3472e2bd22d9b37b57e --- 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 16:27:34,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:27:34,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:27:34,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:27:34,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:27:34,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:27:34,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:27:34,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:27:34,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:27:34,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:27:34,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:27:34,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:27:34,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:27:34,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:27:34,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:27:34,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:27:34,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:27:34,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:27:34,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:27:34,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:27:34,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:27:34,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:27:34,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:27:34,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:27:34,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:27:34,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:27:34,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:27:34,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:27:34,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:27:34,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:27:34,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:27:34,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:27:34,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:27:34,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:27:34,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:27:34,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:27:34,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:27:34,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:27:34,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:27:34,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:27:34,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:27:34,754 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:27:34,790 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:27:34,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:27:34,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:27:34,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:27:34,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:27:34,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:27:34,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:27:34,792 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:27:34,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:27:34,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:27:34,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:27:34,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:27:34,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:27:34,793 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:27:34,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:27:34,793 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:27:34,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:27:34,794 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:27:34,794 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:27:34,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:27:34,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:27:34,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:27:34,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:27:34,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:27:34,803 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:27:34,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:27:34,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:27:34,809 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_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e9bda3e50dab498e3de1810c058a69f77db53aab215d3472e2bd22d9b37b57e [2022-11-20 16:27:35,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:27:35,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:27:35,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:27:35,117 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:27:35,118 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:27:35,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_09_good.i [2022-11-20 16:27:38,187 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:27:38,669 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:27:38,670 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_09_good.i [2022-11-20 16:27:38,688 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/bin/ukojak-pZX7IvK2PQ/data/dd1115cf3/878d88c67ded49438bad2426b2489a95/FLAG7f6ccca15 [2022-11-20 16:27:38,703 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/bin/ukojak-pZX7IvK2PQ/data/dd1115cf3/878d88c67ded49438bad2426b2489a95 [2022-11-20 16:27:38,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:27:38,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:27:38,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:27:38,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:27:38,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:27:38,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:27:38" (1/1) ... [2022-11-20 16:27:38,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666c6714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:38, skipping insertion in model container [2022-11-20 16:27:38,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:27:38" (1/1) ... [2022-11-20 16:27:38,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:27:38,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:27:39,132 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:27:39,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:27:39,750 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:27:39,770 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:27:39,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:27:39,967 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:27:39,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:39 WrapperNode [2022-11-20 16:27:39,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:27:39,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:27:39,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:27:39,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:27:39,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:39" (1/1) ... [2022-11-20 16:27:40,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:39" (1/1) ... [2022-11-20 16:27:40,072 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 111 [2022-11-20 16:27:40,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:27:40,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:27:40,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:27:40,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:27:40,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:39" (1/1) ... [2022-11-20 16:27:40,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:39" (1/1) ... [2022-11-20 16:27:40,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:39" (1/1) ... [2022-11-20 16:27:40,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:39" (1/1) ... [2022-11-20 16:27:40,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:39" (1/1) ... [2022-11-20 16:27:40,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:39" (1/1) ... [2022-11-20 16:27:40,117 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:39" (1/1) ... [2022-11-20 16:27:40,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:39" (1/1) ... [2022-11-20 16:27:40,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:27:40,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:27:40,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:27:40,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:27:40,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:39" (1/1) ... [2022-11-20 16:27:40,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:27:40,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:27:40,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:27:40,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:27:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:27:40,210 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:27:40,210 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 16:27:40,211 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:27:40,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:27:40,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:27:40,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 16:27:40,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:27:40,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:27:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:27:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:27:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:27:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:27:40,502 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:27:40,504 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:27:40,756 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:27:40,809 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:27:40,809 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:27:40,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:27:40 BoogieIcfgContainer [2022-11-20 16:27:40,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:27:40,813 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:27:40,813 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:27:40,824 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:27:40,824 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:27:40" (1/1) ... [2022-11-20 16:27:40,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:27:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:40,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 57 states and 81 transitions. [2022-11-20 16:27:40,887 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2022-11-20 16:27:40,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:27:40,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:40,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:41,238 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 16:27:41,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:41,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 80 transitions. [2022-11-20 16:27:41,316 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2022-11-20 16:27:41,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:27:41,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:41,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:41,469 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 16:27:41,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:41,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 79 transitions. [2022-11-20 16:27:41,519 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2022-11-20 16:27:41,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:27:41,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:41,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:41,643 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 16:27:41,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:41,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 78 transitions. [2022-11-20 16:27:41,722 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2022-11-20 16:27:41,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:27:41,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:41,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:41,828 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 16:27:41,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:41,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 88 transitions. [2022-11-20 16:27:41,884 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2022-11-20 16:27:41,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:27:41,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:41,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:41,970 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 16:27:42,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:42,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 90 transitions. [2022-11-20 16:27:42,165 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2022-11-20 16:27:42,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:27:42,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:42,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:42,285 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 16:27:42,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:42,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 89 transitions. [2022-11-20 16:27:42,327 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2022-11-20 16:27:42,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:27:42,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:42,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:42,452 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 16:27:42,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:42,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 60 states and 88 transitions. [2022-11-20 16:27:42,528 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2022-11-20 16:27:42,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:27:42,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:42,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:42,577 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 16:27:42,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:42,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 90 transitions. [2022-11-20 16:27:42,593 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2022-11-20 16:27:42,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:27:42,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:42,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:42,628 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 16:27:42,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 59 states and 84 transitions. [2022-11-20 16:27:42,643 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2022-11-20 16:27:42,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:27:42,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:42,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:42,711 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 16:27:42,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:42,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 89 transitions. [2022-11-20 16:27:42,757 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2022-11-20 16:27:42,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:27:42,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:42,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:42,831 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 16:27:42,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:42,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 66 states and 95 transitions. [2022-11-20 16:27:42,927 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2022-11-20 16:27:42,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 16:27:42,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:42,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:42,973 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 16:27:43,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:43,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 69 states and 101 transitions. [2022-11-20 16:27:43,138 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2022-11-20 16:27:43,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:27:43,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:43,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:43,209 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 16:27:43,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:43,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 77 states and 116 transitions. [2022-11-20 16:27:43,263 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 116 transitions. [2022-11-20 16:27:43,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:27:43,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:43,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:43,317 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 16:27:43,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:43,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 77 states and 115 transitions. [2022-11-20 16:27:43,453 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2022-11-20 16:27:43,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:27:43,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:43,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:43,515 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 16:27:43,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:43,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 74 states and 108 transitions. [2022-11-20 16:27:43,534 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2022-11-20 16:27:43,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:27:43,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:43,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:43,586 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 16:27:43,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:43,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 73 states and 106 transitions. [2022-11-20 16:27:43,603 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 106 transitions. [2022-11-20 16:27:43,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:27:43,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:43,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:43,661 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 16:27:43,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:43,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 74 states and 107 transitions. [2022-11-20 16:27:43,681 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 107 transitions. [2022-11-20 16:27:43,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 16:27:43,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:43,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:43,742 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 16:27:44,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:44,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 71 states and 103 transitions. [2022-11-20 16:27:44,001 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2022-11-20 16:27:44,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:27:44,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:44,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:44,077 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 16:27:44,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 71 states and 102 transitions. [2022-11-20 16:27:44,211 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2022-11-20 16:27:44,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 16:27:44,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:44,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:44,268 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 16:27:44,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:44,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 105 transitions. [2022-11-20 16:27:44,419 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2022-11-20 16:27:44,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 16:27:44,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:44,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:44,477 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 16:27:44,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:44,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 104 transitions. [2022-11-20 16:27:44,634 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2022-11-20 16:27:44,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 16:27:44,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:44,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:44,757 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 16:27:44,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:44,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 79 states and 115 transitions. [2022-11-20 16:27:44,968 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions. [2022-11-20 16:27:44,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 16:27:44,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:44,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:45,006 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 16:27:45,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:45,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 82 states and 119 transitions. [2022-11-20 16:27:45,327 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 119 transitions. [2022-11-20 16:27:45,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 16:27:45,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:45,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:45,375 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 16:27:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:45,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 82 states and 118 transitions. [2022-11-20 16:27:45,755 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions. [2022-11-20 16:27:45,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 16:27:45,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:45,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:45,795 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 16:27:46,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:46,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 48 states and 62 transitions. [2022-11-20 16:27:46,126 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2022-11-20 16:27:46,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 16:27:46,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:46,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:46,228 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 16:27:46,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:46,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 47 states and 61 transitions. [2022-11-20 16:27:46,382 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2022-11-20 16:27:46,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:27:46,383 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-11-20 16:27:46,391 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 16:27:46,754 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:27:46,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:27:46 ImpRootNode [2022-11-20 16:27:46,759 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:27:46,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:27:46,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:27:46,760 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:27:46,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:27:40" (3/4) ... [2022-11-20 16:27:46,765 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:27:46,780 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:27:46,780 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:27:46,785 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 16:27:46,785 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 16:27:46,786 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 16:27:46,786 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:27:46,786 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:27:46,844 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:27:46,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:27:46,845 INFO L158 Benchmark]: Toolchain (without parser) took 8137.42ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 137.4MB in the beginning and 162.8MB in the end (delta: -25.4MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-11-20 16:27:46,845 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory was 90.9MB in the beginning and 90.9MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:27:46,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1260.56ms. Allocated memory is still 174.1MB. Free memory was 136.6MB in the beginning and 73.3MB in the end (delta: 63.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-20 16:27:46,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.66ms. Allocated memory is still 174.1MB. Free memory was 73.3MB in the beginning and 70.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:27:46,847 INFO L158 Benchmark]: Boogie Preprocessor took 47.70ms. Allocated memory is still 174.1MB. Free memory was 70.4MB in the beginning and 68.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:27:46,847 INFO L158 Benchmark]: RCFGBuilder took 690.66ms. Allocated memory is still 174.1MB. Free memory was 68.3MB in the beginning and 129.6MB in the end (delta: -61.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-11-20 16:27:46,848 INFO L158 Benchmark]: CodeCheck took 5946.10ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 129.6MB in the beginning and 166.9MB in the end (delta: -37.3MB). Peak memory consumption was 111.5MB. Max. memory is 16.1GB. [2022-11-20 16:27:46,848 INFO L158 Benchmark]: Witness Printer took 84.37ms. Allocated memory is still 209.7MB. Free memory was 166.9MB in the beginning and 162.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:27:46,850 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4733 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1820 mSDsluCounter, 4233 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1859 mSDsCounter, 897 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3271 IncrementalHoareTripleChecker+Invalid, 4168 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 897 mSolverCounterUnsat, 2374 mSDtfsCounter, 3271 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5989 GetRequests, 5893 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3511 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 595 NumberOfCodeBlocks, 595 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 569 ConstructedInterpolants, 0 QuantifiedInterpolants, 1288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 40/40 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: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: 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: 1670]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory was 90.9MB in the beginning and 90.9MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1260.56ms. Allocated memory is still 174.1MB. Free memory was 136.6MB in the beginning and 73.3MB in the end (delta: 63.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.66ms. Allocated memory is still 174.1MB. Free memory was 73.3MB in the beginning and 70.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.70ms. Allocated memory is still 174.1MB. Free memory was 70.4MB in the beginning and 68.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 690.66ms. Allocated memory is still 174.1MB. Free memory was 68.3MB in the beginning and 129.6MB in the end (delta: -61.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * CodeCheck took 5946.10ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 129.6MB in the beginning and 166.9MB in the end (delta: -37.3MB). Peak memory consumption was 111.5MB. Max. memory is 16.1GB. * Witness Printer took 84.37ms. Allocated memory is still 209.7MB. Free memory was 166.9MB in the beginning and 162.8MB 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 16:27:46,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159dfe1-8e33-4a8d-a46c-8ef131e7f1e3/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