./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_05_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_a545a442-4ad4-4df2-b8e1-77297e469ca5/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a545a442-4ad4-4df2-b8e1-77297e469ca5/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_a545a442-4ad4-4df2-b8e1-77297e469ca5/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a545a442-4ad4-4df2-b8e1-77297e469ca5/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a545a442-4ad4-4df2-b8e1-77297e469ca5/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_a545a442-4ad4-4df2-b8e1-77297e469ca5/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 aeb3646ce370c0f28857afc682693f4f72a6de1c42513125ec92b2271f76c281 --- 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 16:48:55,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:48:55,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:48:55,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:48:55,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:48:55,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:48:55,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:48:56,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:48:56,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:48:56,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:48:56,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:48:56,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:48:56,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:48:56,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:48:56,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:48:56,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:48:56,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:48:56,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:48:56,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:48:56,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:48:56,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:48:56,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:48:56,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:48:56,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:48:56,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:48:56,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:48:56,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:48:56,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:48:56,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:48:56,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:48:56,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:48:56,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:48:56,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:48:56,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:48:56,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:48:56,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:48:56,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:48:56,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:48:56,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:48:56,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:48:56,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:48:56,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a545a442-4ad4-4df2-b8e1-77297e469ca5/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:48:56,121 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:48:56,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:48:56,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:48:56,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:48:56,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:48:56,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:48:56,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:48:56,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:48:56,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:48:56,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:48:56,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:48:56,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:48:56,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:48:56,131 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:48:56,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:48:56,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:48:56,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:48:56,132 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:48:56,132 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:48:56,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:48:56,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:48:56,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:48:56,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:48:56,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:48:56,133 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:48:56,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:48:56,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:48:56,134 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_a545a442-4ad4-4df2-b8e1-77297e469ca5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a545a442-4ad4-4df2-b8e1-77297e469ca5/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aeb3646ce370c0f28857afc682693f4f72a6de1c42513125ec92b2271f76c281 [2022-11-20 16:48:56,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:48:56,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:48:56,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:48:56,441 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:48:56,442 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:48:56,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a545a442-4ad4-4df2-b8e1-77297e469ca5/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_05_good.i [2022-11-20 16:48:59,400 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:48:59,813 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:48:59,818 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a545a442-4ad4-4df2-b8e1-77297e469ca5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_05_good.i [2022-11-20 16:48:59,849 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a545a442-4ad4-4df2-b8e1-77297e469ca5/bin/ukojak-pZX7IvK2PQ/data/954d8e3fe/e12a19edcdd2443097c425be89aa4484/FLAG6e09bc2f2 [2022-11-20 16:48:59,864 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a545a442-4ad4-4df2-b8e1-77297e469ca5/bin/ukojak-pZX7IvK2PQ/data/954d8e3fe/e12a19edcdd2443097c425be89aa4484 [2022-11-20 16:48:59,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:48:59,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:48:59,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:48:59,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:48:59,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:48:59,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:48:59" (1/1) ... [2022-11-20 16:48:59,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24961010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:59, skipping insertion in model container [2022-11-20 16:48:59,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:48:59" (1/1) ... [2022-11-20 16:48:59,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:48:59,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:49:00,375 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:49:00,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:49:00,871 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:49:00,904 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:49:01,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:49:01,156 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:49:01,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:01 WrapperNode [2022-11-20 16:49:01,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:49:01,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:49:01,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:49:01,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:49:01,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:01" (1/1) ... [2022-11-20 16:49:01,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:01" (1/1) ... [2022-11-20 16:49:01,223 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 113 [2022-11-20 16:49:01,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:49:01,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:49:01,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:49:01,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:49:01,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:01" (1/1) ... [2022-11-20 16:49:01,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:01" (1/1) ... [2022-11-20 16:49:01,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:01" (1/1) ... [2022-11-20 16:49:01,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:01" (1/1) ... [2022-11-20 16:49:01,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:01" (1/1) ... [2022-11-20 16:49:01,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:01" (1/1) ... [2022-11-20 16:49:01,258 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:01" (1/1) ... [2022-11-20 16:49:01,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:01" (1/1) ... [2022-11-20 16:49:01,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:49:01,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:49:01,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:49:01,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:49:01,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:01" (1/1) ... [2022-11-20 16:49:01,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:49:01,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a545a442-4ad4-4df2-b8e1-77297e469ca5/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:49:01,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a545a442-4ad4-4df2-b8e1-77297e469ca5/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:49:01,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a545a442-4ad4-4df2-b8e1-77297e469ca5/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:49:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:49:01,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:49:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 16:49:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:49:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:49:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:49:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 16:49:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:49:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:49:01,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:49:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:49:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:49:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:49:01,617 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:49:01,632 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:49:01,871 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:49:01,948 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:49:01,948 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:49:01,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:49:01 BoogieIcfgContainer [2022-11-20 16:49:01,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:49:01,952 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:49:01,953 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:49:01,964 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:49:01,964 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:49:01" (1/1) ... [2022-11-20 16:49:01,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:49:02,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:02,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 57 states and 81 transitions. [2022-11-20 16:49:02,040 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2022-11-20 16:49:02,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:49:02,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:02,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:02,348 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 16:49:02,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:02,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 80 transitions. [2022-11-20 16:49:02,413 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2022-11-20 16:49:02,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:49:02,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:02,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:02,534 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 16:49:02,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:02,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 79 transitions. [2022-11-20 16:49:02,568 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2022-11-20 16:49:02,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:49:02,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:02,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:02,656 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 16:49:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:02,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 78 transitions. [2022-11-20 16:49:02,736 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2022-11-20 16:49:02,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:49:02,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:02,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:02,832 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 16:49:02,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:02,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 88 transitions. [2022-11-20 16:49:02,868 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2022-11-20 16:49:02,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:49:02,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:02,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:02,947 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 16:49:03,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:03,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 90 transitions. [2022-11-20 16:49:03,140 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2022-11-20 16:49:03,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:49:03,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:03,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:03,247 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 16:49:03,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 89 transitions. [2022-11-20 16:49:03,285 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2022-11-20 16:49:03,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:49:03,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:03,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:03,400 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 16:49:03,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:03,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 60 states and 88 transitions. [2022-11-20 16:49:03,490 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2022-11-20 16:49:03,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:49:03,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:03,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:03,544 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 16:49:03,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:03,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 90 transitions. [2022-11-20 16:49:03,560 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2022-11-20 16:49:03,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:49:03,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:03,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:03,593 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 16:49:03,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:03,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 59 states and 84 transitions. [2022-11-20 16:49:03,609 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2022-11-20 16:49:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:49:03,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:03,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:03,710 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 16:49:03,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:03,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 89 transitions. [2022-11-20 16:49:03,755 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2022-11-20 16:49:03,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:49:03,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:03,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:03,816 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 16:49:03,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:03,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 63 states and 90 transitions. [2022-11-20 16:49:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2022-11-20 16:49:03,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 16:49:03,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:03,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:03,884 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 16:49:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:03,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 66 states and 96 transitions. [2022-11-20 16:49:03,991 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2022-11-20 16:49:03,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:49:03,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:03,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:04,053 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 16:49:04,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:04,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 111 transitions. [2022-11-20 16:49:04,097 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2022-11-20 16:49:04,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:49:04,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:04,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:04,156 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 16:49:04,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:04,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 74 states and 110 transitions. [2022-11-20 16:49:04,297 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 110 transitions. [2022-11-20 16:49:04,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:49:04,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:04,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:04,342 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 16:49:04,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:04,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 71 states and 103 transitions. [2022-11-20 16:49:04,359 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2022-11-20 16:49:04,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:49:04,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:04,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:04,397 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 16:49:04,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:04,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 70 states and 101 transitions. [2022-11-20 16:49:04,431 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2022-11-20 16:49:04,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:49:04,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:04,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:04,481 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 16:49:04,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:04,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 71 states and 102 transitions. [2022-11-20 16:49:04,499 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2022-11-20 16:49:04,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 16:49:04,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:04,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:04,549 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 16:49:04,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:04,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 98 transitions. [2022-11-20 16:49:04,688 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 98 transitions. [2022-11-20 16:49:04,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 16:49:04,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:04,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:04,740 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 16:49:04,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:04,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 70 states and 102 transitions. [2022-11-20 16:49:04,864 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2022-11-20 16:49:04,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:49:04,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:04,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:04,915 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 16:49:05,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:05,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 70 states and 101 transitions. [2022-11-20 16:49:05,088 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2022-11-20 16:49:05,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 16:49:05,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:05,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:05,137 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 16:49:05,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:05,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 70 states and 100 transitions. [2022-11-20 16:49:05,273 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2022-11-20 16:49:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 16:49:05,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:05,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:05,419 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 16:49:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:05,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 75 states and 109 transitions. [2022-11-20 16:49:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2022-11-20 16:49:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 16:49:05,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:05,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:05,558 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 16:49:05,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:05,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 78 states and 113 transitions. [2022-11-20 16:49:05,824 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 113 transitions. [2022-11-20 16:49:05,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 16:49:05,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:05,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:05,864 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 16:49:06,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:06,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 81 states and 116 transitions. [2022-11-20 16:49:06,103 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2022-11-20 16:49:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 16:49:06,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:06,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:06,141 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 16:49:06,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:06,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 48 states and 62 transitions. [2022-11-20 16:49:06,315 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2022-11-20 16:49:06,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 16:49:06,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:06,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:06,378 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 16:49:06,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:06,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 47 states and 61 transitions. [2022-11-20 16:49:06,397 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2022-11-20 16:49:06,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:49:06,397 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-11-20 16:49:06,406 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 16:49:06,710 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:49:06,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:49:06 ImpRootNode [2022-11-20 16:49:06,716 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:49:06,716 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:49:06,716 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:49:06,717 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:49:06,717 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:49:01" (3/4) ... [2022-11-20 16:49:06,720 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:49:06,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:49:06,727 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:49:06,732 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 16:49:06,732 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 16:49:06,732 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 16:49:06,733 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:49:06,733 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:49:06,797 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a545a442-4ad4-4df2-b8e1-77297e469ca5/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:49:06,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:49:06,798 INFO L158 Benchmark]: Toolchain (without parser) took 6926.80ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 130.7MB in the beginning and 156.9MB in the end (delta: -26.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-11-20 16:49:06,799 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory was 98.5MB in the beginning and 98.3MB in the end (delta: 140.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:49:06,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1281.70ms. Allocated memory is still 165.7MB. Free memory was 130.7MB in the beginning and 79.0MB in the end (delta: 51.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-11-20 16:49:06,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.77ms. Allocated memory is still 165.7MB. Free memory was 79.0MB in the beginning and 76.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:49:06,800 INFO L158 Benchmark]: Boogie Preprocessor took 37.55ms. Allocated memory is still 165.7MB. Free memory was 75.7MB in the beginning and 74.8MB in the end (delta: 882.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:49:06,801 INFO L158 Benchmark]: RCFGBuilder took 688.63ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 74.8MB in the beginning and 166.1MB in the end (delta: -91.3MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-11-20 16:49:06,801 INFO L158 Benchmark]: CodeCheck took 4763.51ms. Allocated memory is still 199.2MB. Free memory was 166.1MB in the beginning and 159.9MB in the end (delta: 6.2MB). Peak memory consumption was 118.8MB. Max. memory is 16.1GB. [2022-11-20 16:49:06,802 INFO L158 Benchmark]: Witness Printer took 81.15ms. Allocated memory is still 199.2MB. Free memory was 159.9MB in the beginning and 156.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:49:06,804 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: 4.4s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4606 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1723 mSDsluCounter, 4107 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1767 mSDsCounter, 873 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3114 IncrementalHoareTripleChecker+Invalid, 3987 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 873 mSolverCounterUnsat, 2340 mSDtfsCounter, 3114 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5919 GetRequests, 5845 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1862 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 595 NumberOfCodeBlocks, 595 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 569 ConstructedInterpolants, 0 QuantifiedInterpolants, 1244 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: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: 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: 1672]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory was 98.5MB in the beginning and 98.3MB in the end (delta: 140.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1281.70ms. Allocated memory is still 165.7MB. Free memory was 130.7MB in the beginning and 79.0MB in the end (delta: 51.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.77ms. Allocated memory is still 165.7MB. Free memory was 79.0MB in the beginning and 76.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.55ms. Allocated memory is still 165.7MB. Free memory was 75.7MB in the beginning and 74.8MB in the end (delta: 882.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 688.63ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 74.8MB in the beginning and 166.1MB in the end (delta: -91.3MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * CodeCheck took 4763.51ms. Allocated memory is still 199.2MB. Free memory was 166.1MB in the beginning and 159.9MB in the end (delta: 6.2MB). Peak memory consumption was 118.8MB. Max. memory is 16.1GB. * Witness Printer took 81.15ms. Allocated memory is still 199.2MB. Free memory was 159.9MB in the beginning and 156.9MB 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 16:49:06,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a545a442-4ad4-4df2-b8e1-77297e469ca5/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