./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_14_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_90c704af-730a-432f-a4ee-e7dd64bcf6aa/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c704af-730a-432f-a4ee-e7dd64bcf6aa/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_90c704af-730a-432f-a4ee-e7dd64bcf6aa/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c704af-730a-432f-a4ee-e7dd64bcf6aa/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_14_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c704af-730a-432f-a4ee-e7dd64bcf6aa/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_90c704af-730a-432f-a4ee-e7dd64bcf6aa/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 7a9f79012ee59f7edbc7ff7b53d19d1465692d3336ce4239396faec802788640 --- 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 17:24:28,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:24:28,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:24:28,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:24:28,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:24:28,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:24:28,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:24:28,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:24:28,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:24:28,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:24:28,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:24:28,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:24:28,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:24:28,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:24:28,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:24:28,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:24:28,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:24:28,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:24:28,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:24:28,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:24:28,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:24:28,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:24:28,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:24:28,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:24:28,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:24:28,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:24:28,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:24:28,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:24:28,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:24:28,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:24:28,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:24:28,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:24:28,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:24:28,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:24:28,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:24:28,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:24:28,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:24:28,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:24:28,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:24:28,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:24:28,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:24:28,378 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c704af-730a-432f-a4ee-e7dd64bcf6aa/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:24:28,410 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:24:28,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:24:28,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:24:28,417 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:24:28,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:24:28,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:24:28,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:24:28,418 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:24:28,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:24:28,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:24:28,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:24:28,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:24:28,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:24:28,420 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:24:28,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:24:28,420 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:24:28,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:24:28,421 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:24:28,421 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:24:28,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:24:28,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:24:28,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:24:28,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:24:28,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:24:28,422 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:24:28,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:24:28,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:24:28,423 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_90c704af-730a-432f-a4ee-e7dd64bcf6aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c704af-730a-432f-a4ee-e7dd64bcf6aa/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a9f79012ee59f7edbc7ff7b53d19d1465692d3336ce4239396faec802788640 [2022-11-20 17:24:28,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:24:28,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:24:28,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:24:28,736 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:24:28,737 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:24:28,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c704af-730a-432f-a4ee-e7dd64bcf6aa/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_14_good.i [2022-11-20 17:24:31,867 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:24:32,357 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:24:32,357 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c704af-730a-432f-a4ee-e7dd64bcf6aa/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_14_good.i [2022-11-20 17:24:32,383 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c704af-730a-432f-a4ee-e7dd64bcf6aa/bin/ukojak-pZX7IvK2PQ/data/eb879a2ec/a133cb1e6e654dd29ecf864c960ce1bc/FLAGd1e12b273 [2022-11-20 17:24:32,399 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c704af-730a-432f-a4ee-e7dd64bcf6aa/bin/ukojak-pZX7IvK2PQ/data/eb879a2ec/a133cb1e6e654dd29ecf864c960ce1bc [2022-11-20 17:24:32,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:24:32,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:24:32,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:24:32,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:24:32,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:24:32,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:24:32" (1/1) ... [2022-11-20 17:24:32,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cef4029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:32, skipping insertion in model container [2022-11-20 17:24:32,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:24:32" (1/1) ... [2022-11-20 17:24:32,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:24:32,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:24:32,846 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:24:33,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:24:33,395 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:24:33,426 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:24:33,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:24:33,654 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:24:33,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:33 WrapperNode [2022-11-20 17:24:33,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:24:33,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:24:33,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:24:33,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:24:33,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:33" (1/1) ... [2022-11-20 17:24:33,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:33" (1/1) ... [2022-11-20 17:24:33,715 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2022-11-20 17:24:33,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:24:33,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:24:33,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:24:33,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:24:33,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:33" (1/1) ... [2022-11-20 17:24:33,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:33" (1/1) ... [2022-11-20 17:24:33,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:33" (1/1) ... [2022-11-20 17:24:33,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:33" (1/1) ... [2022-11-20 17:24:33,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:33" (1/1) ... [2022-11-20 17:24:33,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:33" (1/1) ... [2022-11-20 17:24:33,742 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:33" (1/1) ... [2022-11-20 17:24:33,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:33" (1/1) ... [2022-11-20 17:24:33,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:24:33,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:24:33,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:24:33,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:24:33,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:33" (1/1) ... [2022-11-20 17:24:33,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:24:33,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c704af-730a-432f-a4ee-e7dd64bcf6aa/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:24:33,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c704af-730a-432f-a4ee-e7dd64bcf6aa/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:24:33,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c704af-730a-432f-a4ee-e7dd64bcf6aa/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:24:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:24:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:24:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:24:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:24:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:24:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:24:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:24:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:24:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:24:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:24:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:24:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:24:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:24:34,053 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:24:34,062 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:24:34,335 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:24:34,402 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:24:34,413 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:24:34,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:24:34 BoogieIcfgContainer [2022-11-20 17:24:34,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:24:34,417 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:24:34,417 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:24:34,429 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:24:34,429 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:24:34" (1/1) ... [2022-11-20 17:24:34,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:24:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:34,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-20 17:24:34,520 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-20 17:24:34,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:24:34,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:34,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:34,759 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 17:24:34,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:34,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 72 transitions. [2022-11-20 17:24:34,828 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 17:24:34,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:24:34,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:34,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:35,063 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 17:24:35,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:35,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 71 transitions. [2022-11-20 17:24:35,102 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-11-20 17:24:35,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:24:35,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:35,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:35,242 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 17:24:35,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:35,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 78 transitions. [2022-11-20 17:24:35,323 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-20 17:24:35,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:24:35,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:35,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:35,441 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 17:24:35,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:35,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 70 transitions. [2022-11-20 17:24:35,595 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-20 17:24:35,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:24:35,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:35,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:35,668 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 17:24:35,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:35,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 72 transitions. [2022-11-20 17:24:35,843 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 17:24:35,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:24:35,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:35,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:35,954 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 17:24:35,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 55 states and 75 transitions. [2022-11-20 17:24:35,991 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-11-20 17:24:35,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:24:35,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:35,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:36,052 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 17:24:36,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:36,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 69 transitions. [2022-11-20 17:24:36,076 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-11-20 17:24:36,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:24:36,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:36,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:36,164 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 17:24:36,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:36,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 50 states and 66 transitions. [2022-11-20 17:24:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-20 17:24:36,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:24:36,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:36,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:36,476 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 17:24:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:36,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 65 transitions. [2022-11-20 17:24:36,510 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2022-11-20 17:24:36,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:24:36,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:36,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:36,623 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 17:24:36,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 72 transitions. [2022-11-20 17:24:36,743 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2022-11-20 17:24:36,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:24:36,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:36,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:36,796 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 17:24:36,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:36,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 74 transitions. [2022-11-20 17:24:36,922 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2022-11-20 17:24:36,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:24:36,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:36,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:37,078 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 17:24:37,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:37,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 66 transitions. [2022-11-20 17:24:37,264 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-20 17:24:37,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:24:37,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:37,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:37,315 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 17:24:37,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:37,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 48 states and 63 transitions. [2022-11-20 17:24:37,378 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-20 17:24:37,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:24:37,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:37,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:37,497 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 17:24:37,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:37,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 50 states and 67 transitions. [2022-11-20 17:24:37,580 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-20 17:24:37,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:24:37,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:37,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:37,664 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 17:24:37,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 51 states and 68 transitions. [2022-11-20 17:24:37,685 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-11-20 17:24:37,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:24:37,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:37,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:37,728 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:24:37,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:37,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 53 states and 70 transitions. [2022-11-20 17:24:37,755 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-11-20 17:24:37,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:24:37,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:37,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:37,804 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 17:24:37,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:37,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 54 states and 71 transitions. [2022-11-20 17:24:37,930 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2022-11-20 17:24:37,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:24:37,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:37,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:38,017 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 17:24:38,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:38,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 45 states and 57 transitions. [2022-11-20 17:24:38,304 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-11-20 17:24:38,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:24:38,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:38,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:38,466 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 17:24:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 44 states and 56 transitions. [2022-11-20 17:24:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-20 17:24:38,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:24:38,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:38,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:38,817 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 17:24:38,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:38,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 43 states and 55 transitions. [2022-11-20 17:24:38,836 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-20 17:24:38,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:24:38,836 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-11-20 17:24:38,845 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 17:24:39,020 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:24:39,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:24:39 ImpRootNode [2022-11-20 17:24:39,025 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:24:39,026 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:24:39,026 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:24:39,026 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:24:39,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:24:34" (3/4) ... [2022-11-20 17:24:39,030 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:24:39,036 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:24:39,036 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:24:39,041 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 17:24:39,041 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 17:24:39,042 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:24:39,042 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:24:39,042 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:24:39,090 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c704af-730a-432f-a4ee-e7dd64bcf6aa/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:24:39,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:24:39,091 INFO L158 Benchmark]: Toolchain (without parser) took 6687.86ms. Allocated memory was 165.7MB in the beginning and 220.2MB in the end (delta: 54.5MB). Free memory was 127.8MB in the beginning and 72.7MB in the end (delta: 55.1MB). Peak memory consumption was 111.3MB. Max. memory is 16.1GB. [2022-11-20 17:24:39,092 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 98.6MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:24:39,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1250.70ms. Allocated memory was 165.7MB in the beginning and 220.2MB in the end (delta: 54.5MB). Free memory was 127.8MB in the beginning and 186.3MB in the end (delta: -58.4MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2022-11-20 17:24:39,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.04ms. Allocated memory is still 220.2MB. Free memory was 186.3MB in the beginning and 183.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:24:39,093 INFO L158 Benchmark]: Boogie Preprocessor took 30.20ms. Allocated memory is still 220.2MB. Free memory was 183.2MB in the beginning and 182.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:24:39,094 INFO L158 Benchmark]: RCFGBuilder took 668.89ms. Allocated memory is still 220.2MB. Free memory was 182.1MB in the beginning and 162.2MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:24:39,094 INFO L158 Benchmark]: CodeCheck took 4608.11ms. Allocated memory is still 220.2MB. Free memory was 162.2MB in the beginning and 76.9MB in the end (delta: 85.3MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2022-11-20 17:24:39,095 INFO L158 Benchmark]: Witness Printer took 65.04ms. Allocated memory is still 220.2MB. Free memory was 76.9MB in the beginning and 72.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:24:39,097 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2633 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 717 mSDsluCounter, 2078 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 616 mSDsCounter, 578 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1900 IncrementalHoareTripleChecker+Invalid, 2478 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 578 mSolverCounterUnsat, 1462 mSDtfsCounter, 1900 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4019 GetRequests, 3931 SyntacticMatches, 10 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2309 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 442 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 422 ConstructedInterpolants, 0 QuantifiedInterpolants, 844 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 78/78 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: 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: 1666]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 98.6MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1250.70ms. Allocated memory was 165.7MB in the beginning and 220.2MB in the end (delta: 54.5MB). Free memory was 127.8MB in the beginning and 186.3MB in the end (delta: -58.4MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.04ms. Allocated memory is still 220.2MB. Free memory was 186.3MB in the beginning and 183.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.20ms. Allocated memory is still 220.2MB. Free memory was 183.2MB in the beginning and 182.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 668.89ms. Allocated memory is still 220.2MB. Free memory was 182.1MB in the beginning and 162.2MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 4608.11ms. Allocated memory is still 220.2MB. Free memory was 162.2MB in the beginning and 76.9MB in the end (delta: 85.3MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. * Witness Printer took 65.04ms. Allocated memory is still 220.2MB. Free memory was 76.9MB in the beginning and 72.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:24:39,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c704af-730a-432f-a4ee-e7dd64bcf6aa/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