./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c5e3d2-fdbc-4664-9e6c-ac9031713465/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c5e3d2-fdbc-4664-9e6c-ac9031713465/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_05c5e3d2-fdbc-4664-9e6c-ac9031713465/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c5e3d2-fdbc-4664-9e6c-ac9031713465/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c5e3d2-fdbc-4664-9e6c-ac9031713465/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_05c5e3d2-fdbc-4664-9e6c-ac9031713465/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 7f02d62a9fe81ad38cfce3f8ce3987e76510c3d92a0f500ad53aa0b182941921 --- 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 17:19:11,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:19:11,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:19:12,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:19:12,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:19:12,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:19:12,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:19:12,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:19:12,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:19:12,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:19:12,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:19:12,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:19:12,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:19:12,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:19:12,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:19:12,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:19:12,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:19:12,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:19:12,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:19:12,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:19:12,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:19:12,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:19:12,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:19:12,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:19:12,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:19:12,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:19:12,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:19:12,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:19:12,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:19:12,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:19:12,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:19:12,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:19:12,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:19:12,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:19:12,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:19:12,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:19:12,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:19:12,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:19:12,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:19:12,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:19:12,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:19:12,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c5e3d2-fdbc-4664-9e6c-ac9031713465/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:19:12,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:19:12,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:19:12,126 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:19:12,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:19:12,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:19:12,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:19:12,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:19:12,128 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:19:12,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:19:12,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:19:12,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:19:12,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:19:12,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:19:12,129 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:19:12,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:19:12,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:19:12,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:19:12,130 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:19:12,130 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:19:12,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:19:12,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:19:12,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:19:12,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:19:12,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:19:12,136 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:19:12,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:19:12,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:19:12,136 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_05c5e3d2-fdbc-4664-9e6c-ac9031713465/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c5e3d2-fdbc-4664-9e6c-ac9031713465/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f02d62a9fe81ad38cfce3f8ce3987e76510c3d92a0f500ad53aa0b182941921 [2022-11-20 17:19:12,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:19:12,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:19:12,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:19:12,460 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:19:12,462 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:19:12,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c5e3d2-fdbc-4664-9e6c-ac9031713465/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_04_good.i [2022-11-20 17:19:15,482 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:19:15,831 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:19:15,831 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c5e3d2-fdbc-4664-9e6c-ac9031713465/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_04_good.i [2022-11-20 17:19:15,855 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c5e3d2-fdbc-4664-9e6c-ac9031713465/bin/ukojak-pZX7IvK2PQ/data/0a76a5752/072b2dcafcf1489990068954cc4a4ca7/FLAGaf30f20e7 [2022-11-20 17:19:15,871 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c5e3d2-fdbc-4664-9e6c-ac9031713465/bin/ukojak-pZX7IvK2PQ/data/0a76a5752/072b2dcafcf1489990068954cc4a4ca7 [2022-11-20 17:19:15,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:19:15,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:19:15,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:19:15,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:19:15,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:19:15,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:19:15" (1/1) ... [2022-11-20 17:19:15,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e103a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:15, skipping insertion in model container [2022-11-20 17:19:15,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:19:15" (1/1) ... [2022-11-20 17:19:15,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:19:15,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:19:16,413 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:19:17,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:19:17,029 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:19:17,044 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:19:17,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:19:17,268 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:19:17,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:17 WrapperNode [2022-11-20 17:19:17,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:19:17,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:19:17,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:19:17,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:19:17,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:17" (1/1) ... [2022-11-20 17:19:17,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:17" (1/1) ... [2022-11-20 17:19:17,357 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 113 [2022-11-20 17:19:17,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:19:17,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:19:17,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:19:17,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:19:17,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:17" (1/1) ... [2022-11-20 17:19:17,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:17" (1/1) ... [2022-11-20 17:19:17,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:17" (1/1) ... [2022-11-20 17:19:17,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:17" (1/1) ... [2022-11-20 17:19:17,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:17" (1/1) ... [2022-11-20 17:19:17,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:17" (1/1) ... [2022-11-20 17:19:17,396 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:17" (1/1) ... [2022-11-20 17:19:17,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:17" (1/1) ... [2022-11-20 17:19:17,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:19:17,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:19:17,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:19:17,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:19:17,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:17" (1/1) ... [2022-11-20 17:19:17,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:19:17,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c5e3d2-fdbc-4664-9e6c-ac9031713465/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:19:17,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c5e3d2-fdbc-4664-9e6c-ac9031713465/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:19:17,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c5e3d2-fdbc-4664-9e6c-ac9031713465/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:19:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:19:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:19:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:19:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:19:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:19:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:19:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:19:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:19:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:19:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:19:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:19:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:19:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:19:17,721 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:19:17,724 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:19:18,054 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:19:18,116 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:19:18,116 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:19:18,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:19:18 BoogieIcfgContainer [2022-11-20 17:19:18,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:19:18,120 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:19:18,120 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:19:18,135 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:19:18,135 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:19:18" (1/1) ... [2022-11-20 17:19:18,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:19:18,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:18,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 57 states and 81 transitions. [2022-11-20 17:19:18,239 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2022-11-20 17:19:18,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:19:18,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:18,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:18,570 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 17:19:18,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:18,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 80 transitions. [2022-11-20 17:19:18,642 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2022-11-20 17:19:18,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:19:18,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:18,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:18,746 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 17:19:18,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:18,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 79 transitions. [2022-11-20 17:19:18,791 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2022-11-20 17:19:18,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:19:18,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:18,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:18,944 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 17:19:19,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:19,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 78 transitions. [2022-11-20 17:19:19,050 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2022-11-20 17:19:19,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:19:19,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:19,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:19,165 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 17:19:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:19,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 88 transitions. [2022-11-20 17:19:19,223 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2022-11-20 17:19:19,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:19:19,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:19,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:19,329 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 17:19:19,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:19,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 90 transitions. [2022-11-20 17:19:19,500 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2022-11-20 17:19:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:19:19,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:19,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:19,624 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 17:19:19,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:19,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 89 transitions. [2022-11-20 17:19:19,672 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2022-11-20 17:19:19,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:19:19,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:19,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:19,746 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 17:19:19,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:19,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 60 states and 88 transitions. [2022-11-20 17:19:19,826 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2022-11-20 17:19:19,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:19:19,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:19,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:19,870 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 17:19:19,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:19,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 90 transitions. [2022-11-20 17:19:19,887 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2022-11-20 17:19:19,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:19:19,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:19,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:19,922 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 17:19:19,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:19,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 59 states and 84 transitions. [2022-11-20 17:19:19,937 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2022-11-20 17:19:19,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:19:19,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:19,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:19,998 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 17:19:20,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:20,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 89 transitions. [2022-11-20 17:19:20,037 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2022-11-20 17:19:20,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:19:20,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:20,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:20,111 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 17:19:20,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:20,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 66 states and 95 transitions. [2022-11-20 17:19:20,205 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2022-11-20 17:19:20,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:19:20,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:20,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:20,252 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 17:19:20,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:20,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 69 states and 101 transitions. [2022-11-20 17:19:20,382 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2022-11-20 17:19:20,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:19:20,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:20,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:20,439 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 17:19:20,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:20,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 77 states and 116 transitions. [2022-11-20 17:19:20,477 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 116 transitions. [2022-11-20 17:19:20,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:19:20,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:20,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:20,512 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 17:19:20,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:20,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 77 states and 115 transitions. [2022-11-20 17:19:20,641 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2022-11-20 17:19:20,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:19:20,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:20,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:20,676 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 17:19:20,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:20,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 74 states and 108 transitions. [2022-11-20 17:19:20,692 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2022-11-20 17:19:20,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:19:20,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:20,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:20,732 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 17:19:20,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:20,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 73 states and 106 transitions. [2022-11-20 17:19:20,750 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 106 transitions. [2022-11-20 17:19:20,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:19:20,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:20,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:20,792 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 17:19:20,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 74 states and 107 transitions. [2022-11-20 17:19:20,811 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 107 transitions. [2022-11-20 17:19:20,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:19:20,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:20,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:20,846 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 17:19:21,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:21,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 71 states and 103 transitions. [2022-11-20 17:19:21,097 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2022-11-20 17:19:21,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:19:21,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:21,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:21,139 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 17:19:21,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:21,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 71 states and 102 transitions. [2022-11-20 17:19:21,282 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2022-11-20 17:19:21,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:19:21,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:21,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:21,326 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 17:19:21,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:21,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 105 transitions. [2022-11-20 17:19:21,481 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2022-11-20 17:19:21,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:19:21,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:21,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:21,532 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 17:19:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 104 transitions. [2022-11-20 17:19:21,717 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2022-11-20 17:19:21,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:19:21,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:21,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:21,822 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 17:19:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 79 states and 115 transitions. [2022-11-20 17:19:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions. [2022-11-20 17:19:22,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:19:22,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:22,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:22,091 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 17:19:22,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:22,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 77 states and 111 transitions. [2022-11-20 17:19:22,421 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2022-11-20 17:19:22,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:19:22,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:22,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:22,472 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 17:19:22,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:22,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 80 states and 114 transitions. [2022-11-20 17:19:22,830 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2022-11-20 17:19:22,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:19:22,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:22,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:22,877 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 17:19:23,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:23,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 48 states and 62 transitions. [2022-11-20 17:19:23,238 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2022-11-20 17:19:23,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:19:23,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:23,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:23,371 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 17:19:23,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:23,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 47 states and 61 transitions. [2022-11-20 17:19:23,545 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2022-11-20 17:19:23,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:19:23,546 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-11-20 17:19:23,557 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 17:19:23,901 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:19:23,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:19:23 ImpRootNode [2022-11-20 17:19:23,908 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:19:23,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:19:23,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:19:23,909 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:19:23,910 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:19:18" (3/4) ... [2022-11-20 17:19:23,916 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:19:23,928 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:19:23,928 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:19:23,933 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 17:19:23,934 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 17:19:23,934 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:19:23,934 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:19:23,935 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:19:23,984 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c5e3d2-fdbc-4664-9e6c-ac9031713465/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:19:23,984 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:19:23,985 INFO L158 Benchmark]: Toolchain (without parser) took 8110.06ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 111.2MB in the beginning and 112.8MB in the end (delta: -1.6MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2022-11-20 17:19:23,985 INFO L158 Benchmark]: CDTParser took 1.34ms. Allocated memory is still 119.5MB. Free memory was 88.8MB in the beginning and 88.7MB in the end (delta: 82.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:19:23,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1392.60ms. Allocated memory is still 148.9MB. Free memory was 111.2MB in the beginning and 62.7MB in the end (delta: 48.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-20 17:19:23,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.28ms. Allocated memory is still 148.9MB. Free memory was 62.7MB in the beginning and 60.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:19:23,986 INFO L158 Benchmark]: Boogie Preprocessor took 42.56ms. Allocated memory is still 148.9MB. Free memory was 59.3MB in the beginning and 57.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:19:23,987 INFO L158 Benchmark]: RCFGBuilder took 717.21ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 57.9MB in the beginning and 138.9MB in the end (delta: -81.0MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-11-20 17:19:23,987 INFO L158 Benchmark]: CodeCheck took 5788.08ms. Allocated memory is still 180.4MB. Free memory was 138.9MB in the beginning and 116.9MB in the end (delta: 22.0MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-11-20 17:19:23,988 INFO L158 Benchmark]: Witness Printer took 75.78ms. Allocated memory is still 180.4MB. Free memory was 116.9MB in the beginning and 112.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:19:23,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4737 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1824 mSDsluCounter, 4225 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1851 mSDsCounter, 897 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3271 IncrementalHoareTripleChecker+Invalid, 4168 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 897 mSolverCounterUnsat, 2374 mSDtfsCounter, 3271 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5979 GetRequests, 5885 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3331 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 595 NumberOfCodeBlocks, 595 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 569 ConstructedInterpolants, 0 QuantifiedInterpolants, 1288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 40/40 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 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 1.34ms. Allocated memory is still 119.5MB. Free memory was 88.8MB in the beginning and 88.7MB in the end (delta: 82.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1392.60ms. Allocated memory is still 148.9MB. Free memory was 111.2MB in the beginning and 62.7MB in the end (delta: 48.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.28ms. Allocated memory is still 148.9MB. Free memory was 62.7MB in the beginning and 60.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.56ms. Allocated memory is still 148.9MB. Free memory was 59.3MB in the beginning and 57.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 717.21ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 57.9MB in the beginning and 138.9MB in the end (delta: -81.0MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * CodeCheck took 5788.08ms. Allocated memory is still 180.4MB. Free memory was 138.9MB in the beginning and 116.9MB in the end (delta: 22.0MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Witness Printer took 75.78ms. Allocated memory is still 180.4MB. Free memory was 116.9MB in the beginning and 112.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:19:24,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c5e3d2-fdbc-4664-9e6c-ac9031713465/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