./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_10_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_a43b06a5-efc9-406f-913f-4c14417b04e0/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a43b06a5-efc9-406f-913f-4c14417b04e0/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_a43b06a5-efc9-406f-913f-4c14417b04e0/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a43b06a5-efc9-406f-913f-4c14417b04e0/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a43b06a5-efc9-406f-913f-4c14417b04e0/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_a43b06a5-efc9-406f-913f-4c14417b04e0/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 4e8bf950acf73440aa2114dd410c2fe0ca71685de850123de4dd8e501ccbf1b8 --- 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 17:38:16,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:38:16,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:38:16,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:38:16,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:38:16,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:38:16,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:38:16,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:38:16,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:38:16,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:38:16,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:38:16,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:38:16,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:38:16,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:38:16,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:38:16,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:38:16,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:38:16,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:38:16,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:38:16,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:38:16,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:38:16,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:38:16,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:38:16,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:38:16,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:38:16,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:38:16,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:38:16,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:38:16,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:38:16,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:38:16,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:38:16,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:38:16,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:38:16,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:38:16,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:38:16,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:38:16,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:38:16,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:38:16,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:38:16,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:38:16,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:38:16,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a43b06a5-efc9-406f-913f-4c14417b04e0/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:38:16,741 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:38:16,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:38:16,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:38:16,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:38:16,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:38:16,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:38:16,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:38:16,745 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:38:16,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:38:16,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:38:16,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:38:16,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:38:16,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:38:16,746 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:38:16,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:38:16,747 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:38:16,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:38:16,747 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:38:16,748 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:38:16,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:38:16,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:38:16,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:38:16,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:38:16,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:38:16,749 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:38:16,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:38:16,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:38:16,750 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_a43b06a5-efc9-406f-913f-4c14417b04e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a43b06a5-efc9-406f-913f-4c14417b04e0/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e8bf950acf73440aa2114dd410c2fe0ca71685de850123de4dd8e501ccbf1b8 [2022-11-20 17:38:17,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:38:17,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:38:17,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:38:17,027 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:38:17,028 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:38:17,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a43b06a5-efc9-406f-913f-4c14417b04e0/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_10_good.i [2022-11-20 17:38:20,113 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:38:20,539 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:38:20,540 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a43b06a5-efc9-406f-913f-4c14417b04e0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_10_good.i [2022-11-20 17:38:20,558 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a43b06a5-efc9-406f-913f-4c14417b04e0/bin/ukojak-pZX7IvK2PQ/data/6343f2203/342635a8baed4884a42952f59433bdbb/FLAG07b488110 [2022-11-20 17:38:20,573 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a43b06a5-efc9-406f-913f-4c14417b04e0/bin/ukojak-pZX7IvK2PQ/data/6343f2203/342635a8baed4884a42952f59433bdbb [2022-11-20 17:38:20,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:38:20,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:38:20,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:38:20,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:38:20,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:38:20,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:20" (1/1) ... [2022-11-20 17:38:20,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144f4d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:20, skipping insertion in model container [2022-11-20 17:38:20,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:20" (1/1) ... [2022-11-20 17:38:20,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:38:20,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:38:21,058 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:38:21,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:38:21,578 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:38:21,599 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:38:21,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:38:21,880 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:38:21,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:21 WrapperNode [2022-11-20 17:38:21,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:38:21,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:38:21,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:38:21,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:38:21,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:21" (1/1) ... [2022-11-20 17:38:21,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:21" (1/1) ... [2022-11-20 17:38:21,979 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 107 [2022-11-20 17:38:21,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:38:21,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:38:21,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:38:21,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:38:21,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:21" (1/1) ... [2022-11-20 17:38:21,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:21" (1/1) ... [2022-11-20 17:38:22,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:21" (1/1) ... [2022-11-20 17:38:22,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:21" (1/1) ... [2022-11-20 17:38:22,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:21" (1/1) ... [2022-11-20 17:38:22,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:21" (1/1) ... [2022-11-20 17:38:22,033 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:21" (1/1) ... [2022-11-20 17:38:22,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:21" (1/1) ... [2022-11-20 17:38:22,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:38:22,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:38:22,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:38:22,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:38:22,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:21" (1/1) ... [2022-11-20 17:38:22,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:38:22,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a43b06a5-efc9-406f-913f-4c14417b04e0/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:38:22,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a43b06a5-efc9-406f-913f-4c14417b04e0/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:38:22,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a43b06a5-efc9-406f-913f-4c14417b04e0/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:38:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:38:22,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:38:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:38:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:38:22,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:38:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:38:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:38:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:38:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:38:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:38:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:38:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:38:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:38:22,302 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:38:22,304 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:38:22,555 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:38:22,614 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:38:22,614 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:38:22,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:22 BoogieIcfgContainer [2022-11-20 17:38:22,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:38:22,618 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:38:22,618 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:38:22,630 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:38:22,630 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:22" (1/1) ... [2022-11-20 17:38:22,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:38:22,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:22,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-20 17:38:22,702 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-20 17:38:22,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:38:22,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:22,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:22,967 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 17:38:23,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:23,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-11-20 17:38:23,054 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 17:38:23,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:38:23,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:23,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:23,245 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 17:38:23,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:23,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 71 transitions. [2022-11-20 17:38:23,275 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-11-20 17:38:23,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:38:23,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:23,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:23,437 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 17:38:23,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:23,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-11-20 17:38:23,541 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-20 17:38:23,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:38:23,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:23,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:23,673 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 17:38:23,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:23,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 70 transitions. [2022-11-20 17:38:23,788 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-20 17:38:23,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:38:23,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:23,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:23,878 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 17:38:24,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:24,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 72 transitions. [2022-11-20 17:38:24,341 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 17:38:24,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:38:24,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:24,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:24,428 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 17:38:24,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:24,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 82 transitions. [2022-11-20 17:38:24,773 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-11-20 17:38:24,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:38:24,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:24,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:24,820 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 17:38:24,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:24,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 76 transitions. [2022-11-20 17:38:24,840 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-20 17:38:24,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:38:24,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:24,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:24,873 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 17:38:24,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:24,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 79 transitions. [2022-11-20 17:38:24,999 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-11-20 17:38:25,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:38:25,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:25,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:25,054 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 17:38:25,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:25,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 78 transitions. [2022-11-20 17:38:25,090 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-11-20 17:38:25,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:38:25,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:25,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:25,164 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 17:38:25,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:25,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 86 transitions. [2022-11-20 17:38:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-20 17:38:25,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:38:25,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:25,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:25,328 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 17:38:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:25,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 83 transitions. [2022-11-20 17:38:25,547 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-20 17:38:25,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:38:25,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:25,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:25,586 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 17:38:25,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:25,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 85 transitions. [2022-11-20 17:38:25,703 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-11-20 17:38:25,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:38:25,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:25,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:25,792 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 17:38:25,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:25,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 83 transitions. [2022-11-20 17:38:25,954 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-11-20 17:38:25,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:38:25,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:25,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:25,996 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 17:38:26,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:26,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 50 states and 66 transitions. [2022-11-20 17:38:26,014 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-20 17:38:26,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:38:26,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:26,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:26,085 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 17:38:26,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:26,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 48 states and 63 transitions. [2022-11-20 17:38:26,153 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-20 17:38:26,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:38:26,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:26,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:26,222 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 17:38:26,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:26,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 50 states and 67 transitions. [2022-11-20 17:38:26,265 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-20 17:38:26,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:38:26,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:26,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:26,310 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 17:38:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:26,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 51 states and 68 transitions. [2022-11-20 17:38:26,324 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-11-20 17:38:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:38:26,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:26,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:26,372 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 17:38:27,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:27,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 60 states and 82 transitions. [2022-11-20 17:38:27,015 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2022-11-20 17:38:27,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:38:27,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:27,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:27,054 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 17:38:27,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:27,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 63 states and 86 transitions. [2022-11-20 17:38:27,334 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-20 17:38:27,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:38:27,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:27,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:27,393 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 17:38:27,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:27,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 60 states and 81 transitions. [2022-11-20 17:38:27,582 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2022-11-20 17:38:27,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:38:27,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:27,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:27,631 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 17:38:27,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:27,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 63 states and 86 transitions. [2022-11-20 17:38:27,806 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-20 17:38:27,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:38:27,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:27,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:27,844 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 17:38:28,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:28,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 66 states and 89 transitions. [2022-11-20 17:38:28,037 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2022-11-20 17:38:28,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:38:28,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:28,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:28,081 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 17:38:28,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:28,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 65 states and 86 transitions. [2022-11-20 17:38:28,366 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2022-11-20 17:38:28,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:38:28,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:28,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:28,534 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 17:38:28,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:28,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 69 states and 93 transitions. [2022-11-20 17:38:28,611 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2022-11-20 17:38:28,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:38:28,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:28,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:28,681 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 17:38:28,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:28,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 64 states and 85 transitions. [2022-11-20 17:38:28,784 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-11-20 17:38:28,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:38:28,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:28,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:28,827 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 17:38:28,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:28,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 44 states and 56 transitions. [2022-11-20 17:38:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-20 17:38:28,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:38:28,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:28,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:28,959 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 17:38:28,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:28,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 43 states and 55 transitions. [2022-11-20 17:38:28,989 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-20 17:38:28,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:38:28,990 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2022-11-20 17:38:29,000 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 17:38:29,291 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:38:29,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:38:29 ImpRootNode [2022-11-20 17:38:29,296 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:38:29,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:38:29,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:38:29,297 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:38:29,297 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:22" (3/4) ... [2022-11-20 17:38:29,302 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:38:29,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:38:29,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:38:29,329 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 17:38:29,329 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 17:38:29,333 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:38:29,333 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:38:29,334 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:38:29,390 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a43b06a5-efc9-406f-913f-4c14417b04e0/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:38:29,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:38:29,391 INFO L158 Benchmark]: Toolchain (without parser) took 8813.83ms. Allocated memory was 146.8MB in the beginning and 323.0MB in the end (delta: 176.2MB). Free memory was 113.1MB in the beginning and 218.8MB in the end (delta: -105.8MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2022-11-20 17:38:29,392 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 146.8MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:38:29,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1304.01ms. Allocated memory was 146.8MB in the beginning and 268.4MB in the end (delta: 121.6MB). Free memory was 113.1MB in the beginning and 219.6MB in the end (delta: -106.5MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2022-11-20 17:38:29,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.20ms. Allocated memory is still 268.4MB. Free memory was 219.6MB in the beginning and 216.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:38:29,393 INFO L158 Benchmark]: Boogie Preprocessor took 65.98ms. Allocated memory is still 268.4MB. Free memory was 216.4MB in the beginning and 214.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:38:29,394 INFO L158 Benchmark]: RCFGBuilder took 568.29ms. Allocated memory is still 268.4MB. Free memory was 214.3MB in the beginning and 195.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:38:29,394 INFO L158 Benchmark]: CodeCheck took 6677.65ms. Allocated memory was 268.4MB in the beginning and 323.0MB in the end (delta: 54.5MB). Free memory was 195.4MB in the beginning and 222.0MB in the end (delta: -26.6MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2022-11-20 17:38:29,395 INFO L158 Benchmark]: Witness Printer took 94.30ms. Allocated memory is still 323.0MB. Free memory was 222.0MB in the beginning and 218.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:38:29,397 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: 6.3s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4944 SdHoareTripleChecker+Valid, 9.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1752 mSDsluCounter, 3733 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1409 mSDsCounter, 1107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4740 IncrementalHoareTripleChecker+Invalid, 5847 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1107 mSolverCounterUnsat, 2324 mSDtfsCounter, 4740 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6426 GetRequests, 6288 SyntacticMatches, 14 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7229 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 648 NumberOfCodeBlocks, 648 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 621 ConstructedInterpolants, 0 QuantifiedInterpolants, 1328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 132/132 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: 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: 1662]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 146.8MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1304.01ms. Allocated memory was 146.8MB in the beginning and 268.4MB in the end (delta: 121.6MB). Free memory was 113.1MB in the beginning and 219.6MB in the end (delta: -106.5MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.20ms. Allocated memory is still 268.4MB. Free memory was 219.6MB in the beginning and 216.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.98ms. Allocated memory is still 268.4MB. Free memory was 216.4MB in the beginning and 214.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 568.29ms. Allocated memory is still 268.4MB. Free memory was 214.3MB in the beginning and 195.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 6677.65ms. Allocated memory was 268.4MB in the beginning and 323.0MB in the end (delta: 54.5MB). Free memory was 195.4MB in the beginning and 222.0MB in the end (delta: -26.6MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Witness Printer took 94.30ms. Allocated memory is still 323.0MB. Free memory was 222.0MB in the beginning and 218.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:38:29,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a43b06a5-efc9-406f-913f-4c14417b04e0/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE