./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_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_9a366e1b-c55b-43b0-ab79-4c30ed90659f/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a366e1b-c55b-43b0-ab79-4c30ed90659f/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_9a366e1b-c55b-43b0-ab79-4c30ed90659f/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a366e1b-c55b-43b0-ab79-4c30ed90659f/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a366e1b-c55b-43b0-ab79-4c30ed90659f/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_9a366e1b-c55b-43b0-ab79-4c30ed90659f/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 0f06934cf0a805cb048f0176724532537dc37fef498416da6a9c75c5b5e225f5 --- 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 16:42:21,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:42:21,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:42:21,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:42:21,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:42:21,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:42:21,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:42:21,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:42:21,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:42:21,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:42:21,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:42:21,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:42:21,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:42:21,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:42:21,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:42:21,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:42:21,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:42:21,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:42:21,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:42:21,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:42:21,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:42:21,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:42:21,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:42:21,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:42:21,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:42:21,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:42:21,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:42:21,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:42:21,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:42:22,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:42:22,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:42:22,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:42:22,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:42:22,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:42:22,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:42:22,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:42:22,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:42:22,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:42:22,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:42:22,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:42:22,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:42:22,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a366e1b-c55b-43b0-ab79-4c30ed90659f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:42:22,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:42:22,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:42:22,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:42:22,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:42:22,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:42:22,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:42:22,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:42:22,059 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:42:22,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:42:22,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:42:22,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:42:22,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:42:22,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:42:22,061 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:42:22,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:42:22,062 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:42:22,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:42:22,062 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:42:22,063 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:42:22,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:42:22,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:42:22,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:42:22,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:42:22,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:42:22,064 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:42:22,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:42:22,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:42:22,065 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_9a366e1b-c55b-43b0-ab79-4c30ed90659f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a366e1b-c55b-43b0-ab79-4c30ed90659f/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f06934cf0a805cb048f0176724532537dc37fef498416da6a9c75c5b5e225f5 [2022-11-20 16:42:22,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:42:22,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:42:22,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:42:22,455 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:42:22,455 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:42:22,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a366e1b-c55b-43b0-ab79-4c30ed90659f/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_04_good.i [2022-11-20 16:42:25,516 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:42:25,914 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:42:25,915 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a366e1b-c55b-43b0-ab79-4c30ed90659f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_04_good.i [2022-11-20 16:42:25,950 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a366e1b-c55b-43b0-ab79-4c30ed90659f/bin/ukojak-pZX7IvK2PQ/data/13eefa381/4289f0be48ae4d5ba1f9c0ec0cacee9f/FLAG06b2fa29f [2022-11-20 16:42:25,966 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a366e1b-c55b-43b0-ab79-4c30ed90659f/bin/ukojak-pZX7IvK2PQ/data/13eefa381/4289f0be48ae4d5ba1f9c0ec0cacee9f [2022-11-20 16:42:25,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:42:25,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:42:25,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:42:25,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:42:25,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:42:25,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:42:25" (1/1) ... [2022-11-20 16:42:25,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a5fa6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:42:25, skipping insertion in model container [2022-11-20 16:42:25,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:42:25" (1/1) ... [2022-11-20 16:42:25,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:42:26,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:42:26,419 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:42:26,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:42:26,941 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:42:26,965 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:42:27,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:42:27,263 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:42:27,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:42:27 WrapperNode [2022-11-20 16:42:27,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:42:27,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:42:27,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:42:27,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:42:27,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:42:27" (1/1) ... [2022-11-20 16:42:27,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:42:27" (1/1) ... [2022-11-20 16:42:27,350 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 83 [2022-11-20 16:42:27,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:42:27,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:42:27,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:42:27,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:42:27,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:42:27" (1/1) ... [2022-11-20 16:42:27,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:42:27" (1/1) ... [2022-11-20 16:42:27,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:42:27" (1/1) ... [2022-11-20 16:42:27,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:42:27" (1/1) ... [2022-11-20 16:42:27,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:42:27" (1/1) ... [2022-11-20 16:42:27,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:42:27" (1/1) ... [2022-11-20 16:42:27,399 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:42:27" (1/1) ... [2022-11-20 16:42:27,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:42:27" (1/1) ... [2022-11-20 16:42:27,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:42:27,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:42:27,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:42:27,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:42:27,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:42:27" (1/1) ... [2022-11-20 16:42:27,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:42:27,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a366e1b-c55b-43b0-ab79-4c30ed90659f/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:42:27,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a366e1b-c55b-43b0-ab79-4c30ed90659f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:42:27,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a366e1b-c55b-43b0-ab79-4c30ed90659f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:42:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:42:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:42:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:42:27,535 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:42:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:42:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:42:27,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:42:27,745 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:42:27,747 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:42:27,972 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:42:28,031 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:42:28,032 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:42:28,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:42:28 BoogieIcfgContainer [2022-11-20 16:42:28,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:42:28,036 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:42:28,036 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:42:28,047 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:42:28,047 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:42:28" (1/1) ... [2022-11-20 16:42:28,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:42:28,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:28,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 67 transitions. [2022-11-20 16:42:28,113 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2022-11-20 16:42:28,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:42:28,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:28,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:28,435 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 16:42:28,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:28,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2022-11-20 16:42:28,469 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2022-11-20 16:42:28,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:42:28,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:28,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:28,581 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 16:42:28,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:28,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2022-11-20 16:42:28,646 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2022-11-20 16:42:28,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:42:28,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:28,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:28,739 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 16:42:28,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:28,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2022-11-20 16:42:28,769 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2022-11-20 16:42:28,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:42:28,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:28,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:28,921 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 16:42:29,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:29,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2022-11-20 16:42:29,008 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2022-11-20 16:42:29,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:42:29,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:29,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:29,095 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 16:42:29,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:29,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 64 transitions. [2022-11-20 16:42:29,258 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2022-11-20 16:42:29,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:42:29,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:29,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:29,346 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 16:42:29,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:29,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 63 transitions. [2022-11-20 16:42:29,736 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2022-11-20 16:42:29,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:42:29,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:29,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:29,812 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 16:42:29,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 62 transitions. [2022-11-20 16:42:29,918 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2022-11-20 16:42:29,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:42:29,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:29,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:29,972 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 16:42:30,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:30,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 61 transitions. [2022-11-20 16:42:30,106 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2022-11-20 16:42:30,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:42:30,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:30,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:42:30,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:30,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 66 transitions. [2022-11-20 16:42:30,267 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2022-11-20 16:42:30,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:42:30,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:30,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:30,336 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 16:42:30,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:30,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 67 transitions. [2022-11-20 16:42:30,356 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-20 16:42:30,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:42:30,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:30,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:30,394 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 16:42:30,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:30,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 73 transitions. [2022-11-20 16:42:30,510 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-20 16:42:30,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:42:30,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:30,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:30,556 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 16:42:30,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 58 states and 81 transitions. [2022-11-20 16:42:30,914 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2022-11-20 16:42:30,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:42:30,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:30,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:30,944 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 16:42:31,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:31,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 78 transitions. [2022-11-20 16:42:31,080 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2022-11-20 16:42:31,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:42:31,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:31,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:31,107 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 16:42:31,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 73 transitions. [2022-11-20 16:42:31,266 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-20 16:42:31,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:42:31,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:31,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:31,291 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 16:42:31,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:31,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 72 transitions. [2022-11-20 16:42:31,426 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 16:42:31,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 16:42:31,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:31,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:31,454 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 16:42:31,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:31,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 53 states and 71 transitions. [2022-11-20 16:42:31,604 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2022-11-20 16:42:31,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:42:31,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:31,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:31,725 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 16:42:32,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:32,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 70 transitions. [2022-11-20 16:42:32,003 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-11-20 16:42:32,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:42:32,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:32,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:32,046 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 16:42:32,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:32,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 51 states and 66 transitions. [2022-11-20 16:42:32,243 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2022-11-20 16:42:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 16:42:32,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:32,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:32,280 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 16:42:32,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:32,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 41 states and 50 transitions. [2022-11-20 16:42:32,487 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2022-11-20 16:42:32,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 16:42:32,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:32,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:32,602 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 16:42:32,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:32,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 40 states and 48 transitions. [2022-11-20 16:42:32,696 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2022-11-20 16:42:32,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 16:42:32,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:32,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:32,774 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 16:42:32,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:32,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 39 states and 47 transitions. [2022-11-20 16:42:32,839 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2022-11-20 16:42:32,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:42:32,840 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-11-20 16:42:32,850 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 16:42:33,126 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:42:33,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:42:33 ImpRootNode [2022-11-20 16:42:33,132 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:42:33,133 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:42:33,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:42:33,134 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:42:33,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:42:28" (3/4) ... [2022-11-20 16:42:33,139 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:42:33,151 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:42:33,156 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:42:33,160 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-20 16:42:33,163 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 16:42:33,164 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 16:42:33,164 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:42:33,217 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a366e1b-c55b-43b0-ab79-4c30ed90659f/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:42:33,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:42:33,218 INFO L158 Benchmark]: Toolchain (without parser) took 7248.20ms. Allocated memory was 134.2MB in the beginning and 218.1MB in the end (delta: 83.9MB). Free memory was 105.7MB in the beginning and 103.5MB in the end (delta: 2.2MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2022-11-20 16:42:33,219 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 134.2MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:42:33,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1291.05ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 105.4MB in the beginning and 128.4MB in the end (delta: -23.0MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2022-11-20 16:42:33,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.44ms. Allocated memory is still 180.4MB. Free memory was 128.4MB in the beginning and 125.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:42:33,220 INFO L158 Benchmark]: Boogie Preprocessor took 51.75ms. Allocated memory is still 180.4MB. Free memory was 125.5MB in the beginning and 124.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:42:33,220 INFO L158 Benchmark]: RCFGBuilder took 631.12ms. Allocated memory is still 180.4MB. Free memory was 123.4MB in the beginning and 106.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 16:42:33,220 INFO L158 Benchmark]: CodeCheck took 5097.09ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 106.6MB in the beginning and 106.5MB in the end (delta: 122.6kB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2022-11-20 16:42:33,221 INFO L158 Benchmark]: Witness Printer took 84.64ms. Allocated memory is still 218.1MB. Free memory was 106.5MB in the beginning and 103.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:42:33,222 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, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3014 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 980 mSDsluCounter, 1718 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 470 mSDsCounter, 569 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2878 IncrementalHoareTripleChecker+Invalid, 3447 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 569 mSolverCounterUnsat, 1248 mSDtfsCounter, 2878 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3979 GetRequests, 3877 SyntacticMatches, 8 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3481 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 411 ConstructedInterpolants, 0 QuantifiedInterpolants, 720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 60/60 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: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1635]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1635]: 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: 1652]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 134.2MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1291.05ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 105.4MB in the beginning and 128.4MB in the end (delta: -23.0MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.44ms. Allocated memory is still 180.4MB. Free memory was 128.4MB in the beginning and 125.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.75ms. Allocated memory is still 180.4MB. Free memory was 125.5MB in the beginning and 124.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 631.12ms. Allocated memory is still 180.4MB. Free memory was 123.4MB in the beginning and 106.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5097.09ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 106.6MB in the beginning and 106.5MB in the end (delta: 122.6kB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Witness Printer took 84.64ms. Allocated memory is still 218.1MB. Free memory was 106.5MB in the beginning and 103.5MB 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 16:42:33,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a366e1b-c55b-43b0-ab79-4c30ed90659f/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