./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg --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 f8032591463155c4cbc93cb903949fbe214174ec3b40ff542243d2ef85bda972 --- 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-b5237d8 [2022-11-21 22:37:37,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:37:37,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:37:37,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:37:37,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:37:37,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:37:37,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:37:37,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:37:37,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:37:37,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:37:37,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:37:37,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:37:37,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:37:37,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:37:37,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:37:37,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:37:37,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:37:37,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:37:37,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:37:37,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:37:37,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:37:37,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:37:37,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:37:37,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:37:37,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:37:37,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:37:37,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:37:37,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:37:37,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:37:37,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:37:37,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:37:37,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:37:37,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:37:37,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:37:37,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:37:37,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:37:37,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:37:37,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:37:37,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:37:37,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:37:37,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:37:37,664 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:37:37,700 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:37:37,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:37:37,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:37:37,702 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:37:37,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:37:37,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:37:37,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:37:37,711 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:37:37,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:37:37,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:37:37,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:37:37,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:37:37,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:37:37,713 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:37:37,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:37:37,713 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:37:37,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:37:37,714 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:37:37,714 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:37:37,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:37:37,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:37:37,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:37:37,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:37:37,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:37:37,715 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:37:37,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:37:37,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:37:37,716 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_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8032591463155c4cbc93cb903949fbe214174ec3b40ff542243d2ef85bda972 [2022-11-21 22:37:38,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:37:38,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:37:38,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:37:38,117 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:37:38,118 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:37:38,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_10_good.i [2022-11-21 22:37:41,395 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:37:41,818 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:37:41,818 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e68912-d9b2-4c91-aa13-dfb768a25e31/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_10_good.i [2022-11-21 22:37:41,884 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg/data/c42afd7d6/ba9f0d0f256e4815b6a2b9e231a90605/FLAG90c082622 [2022-11-21 22:37:41,907 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg/data/c42afd7d6/ba9f0d0f256e4815b6a2b9e231a90605 [2022-11-21 22:37:41,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:37:41,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:37:41,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:37:41,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:37:41,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:37:41,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:37:41" (1/1) ... [2022-11-21 22:37:41,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e52197f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:41, skipping insertion in model container [2022-11-21 22:37:41,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:37:41" (1/1) ... [2022-11-21 22:37:41,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:37:41,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:37:42,432 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:37:42,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:37:42,974 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:37:42,995 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:37:43,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:37:43,182 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:37:43,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:43 WrapperNode [2022-11-21 22:37:43,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:37:43,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:37:43,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:37:43,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:37:43,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:43" (1/1) ... [2022-11-21 22:37:43,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:43" (1/1) ... [2022-11-21 22:37:43,241 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2022-11-21 22:37:43,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:37:43,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:37:43,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:37:43,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:37:43,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:43" (1/1) ... [2022-11-21 22:37:43,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:43" (1/1) ... [2022-11-21 22:37:43,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:43" (1/1) ... [2022-11-21 22:37:43,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:43" (1/1) ... [2022-11-21 22:37:43,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:43" (1/1) ... [2022-11-21 22:37:43,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:43" (1/1) ... [2022-11-21 22:37:43,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:43" (1/1) ... [2022-11-21 22:37:43,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:43" (1/1) ... [2022-11-21 22:37:43,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:37:43,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:37:43,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:37:43,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:37:43,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:43" (1/1) ... [2022-11-21 22:37:43,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:37:43,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:37:43,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:37:43,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:37:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:37:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:37:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 22:37:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:37:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:37:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:37:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 22:37:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:37:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:37:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:37:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:37:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:37:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:37:43,546 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:37:43,548 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:37:43,869 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:37:43,923 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:37:43,923 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:37:43,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:37:43 BoogieIcfgContainer [2022-11-21 22:37:43,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:37:43,927 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:37:43,927 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:37:43,940 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:37:43,940 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:37:43" (1/1) ... [2022-11-21 22:37:43,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:37:44,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:44,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-21 22:37:44,012 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-21 22:37:44,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:37:44,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:44,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:37:44,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:44,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-11-21 22:37:44,421 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 22:37:44,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:37:44,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:44,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:44,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:37:44,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:44,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-11-21 22:37:44,564 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-21 22:37:44,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:37:44,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:44,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:44,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:37:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:44,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 77 transitions. [2022-11-21 22:37:44,685 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2022-11-21 22:37:44,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:37:44,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:44,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:44,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:37:44,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:44,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 70 transitions. [2022-11-21 22:37:44,900 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-21 22:37:44,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:37:44,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:44,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:37:45,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:45,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 72 transitions. [2022-11-21 22:37:45,399 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 22:37:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:37:45,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:45,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:45,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:37:45,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:45,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 59 states and 82 transitions. [2022-11-21 22:37:45,828 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-11-21 22:37:45,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:37:45,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:45,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:37:45,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:45,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 76 transitions. [2022-11-21 22:37:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-21 22:37:45,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:37:45,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:45,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:45,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:37:46,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:46,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 79 transitions. [2022-11-21 22:37:46,208 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-11-21 22:37:46,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:37:46,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:46,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:37:46,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 63 states and 86 transitions. [2022-11-21 22:37:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-21 22:37:46,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:37:46,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:46,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:37:46,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:46,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 83 transitions. [2022-11-21 22:37:46,621 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-21 22:37:46,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:37:46,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:46,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:46,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:37:46,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:46,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 82 transitions. [2022-11-21 22:37:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2022-11-21 22:37:46,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:37:46,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:46,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:37:46,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:46,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 84 transitions. [2022-11-21 22:37:46,947 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-11-21 22:37:46,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:37:46,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:46,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:47,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:37:47,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:47,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 62 states and 82 transitions. [2022-11-21 22:37:47,187 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-11-21 22:37:47,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:37:47,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:47,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:47,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:37:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:47,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 50 states and 66 transitions. [2022-11-21 22:37:47,237 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-21 22:37:47,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 22:37:47,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:47,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:47,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:37:47,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:47,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 48 states and 63 transitions. [2022-11-21 22:37:47,377 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-21 22:37:47,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 22:37:47,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:47,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:47,451 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:37:47,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:47,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 67 transitions. [2022-11-21 22:37:47,500 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-21 22:37:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:37:47,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:47,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:47,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:37:47,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:47,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 53 states and 72 transitions. [2022-11-21 22:37:47,695 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 22:37:47,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:37:47,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:47,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:47,737 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 22:37:48,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 62 states and 86 transitions. [2022-11-21 22:37:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-11-21 22:37:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:37:48,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:48,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:37:48,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:48,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 65 states and 90 transitions. [2022-11-21 22:37:48,789 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-21 22:37:48,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:37:48,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:48,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:48,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:37:49,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:49,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 62 states and 85 transitions. [2022-11-21 22:37:49,174 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-11-21 22:37:49,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 22:37:49,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:49,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:49,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:37:49,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:49,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 65 states and 90 transitions. [2022-11-21 22:37:49,565 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-21 22:37:49,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:37:49,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:49,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:37:49,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 68 states and 93 transitions. [2022-11-21 22:37:49,989 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2022-11-21 22:37:49,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 22:37:49,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:49,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:50,068 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 22:37:50,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:50,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 67 states and 90 transitions. [2022-11-21 22:37:50,364 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-11-21 22:37:50,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 22:37:50,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:50,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:50,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:37:50,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:50,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 72 states and 99 transitions. [2022-11-21 22:37:50,697 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2022-11-21 22:37:50,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 22:37:50,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:50,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 22:37:51,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:51,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 44 states and 56 transitions. [2022-11-21 22:37:51,190 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-21 22:37:51,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 22:37:51,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:51,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:51,355 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:37:51,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:51,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 43 states and 55 transitions. [2022-11-21 22:37:51,522 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-21 22:37:51,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:37:51,522 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-11-21 22:37:51,533 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 22:37:51,856 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:37:51,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:37:51 ImpRootNode [2022-11-21 22:37:51,862 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:37:51,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:37:51,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:37:51,863 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:37:51,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:37:43" (3/4) ... [2022-11-21 22:37:51,868 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:37:51,874 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:37:51,875 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:37:51,889 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 22:37:51,890 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 22:37:51,890 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 22:37:51,890 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:37:51,891 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:37:51,963 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:37:51,967 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:37:51,968 INFO L158 Benchmark]: Toolchain (without parser) took 10055.98ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 129.3MB in the beginning and 139.4MB in the end (delta: -10.1MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2022-11-21 22:37:51,968 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 123.7MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:37:51,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1269.75ms. Allocated memory is still 159.4MB. Free memory was 128.9MB in the beginning and 68.8MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-21 22:37:51,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.48ms. Allocated memory is still 159.4MB. Free memory was 68.8MB in the beginning and 65.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:37:51,969 INFO L158 Benchmark]: Boogie Preprocessor took 30.30ms. Allocated memory is still 159.4MB. Free memory was 65.7MB in the beginning and 63.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:37:51,970 INFO L158 Benchmark]: RCFGBuilder took 652.70ms. Allocated memory is still 159.4MB. Free memory was 63.9MB in the beginning and 115.5MB in the end (delta: -51.6MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2022-11-21 22:37:51,971 INFO L158 Benchmark]: CodeCheck took 7934.95ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 115.5MB in the beginning and 143.5MB in the end (delta: -28.0MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2022-11-21 22:37:51,971 INFO L158 Benchmark]: Witness Printer took 104.87ms. Allocated memory is still 232.8MB. Free memory was 143.5MB in the beginning and 139.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:37:51,973 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: 7.6s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4615 SdHoareTripleChecker+Valid, 8.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1723 mSDsluCounter, 3637 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1400 mSDsCounter, 1055 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4553 IncrementalHoareTripleChecker+Invalid, 5608 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1055 mSolverCounterUnsat, 2237 mSDtfsCounter, 4553 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6123 GetRequests, 5951 SyntacticMatches, 12 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12731 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 585 ConstructedInterpolants, 0 QuantifiedInterpolants, 1246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 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 0.52ms. Allocated memory is still 123.7MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1269.75ms. Allocated memory is still 159.4MB. Free memory was 128.9MB in the beginning and 68.8MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.48ms. Allocated memory is still 159.4MB. Free memory was 68.8MB in the beginning and 65.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.30ms. Allocated memory is still 159.4MB. Free memory was 65.7MB in the beginning and 63.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 652.70ms. Allocated memory is still 159.4MB. Free memory was 63.9MB in the beginning and 115.5MB in the end (delta: -51.6MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * CodeCheck took 7934.95ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 115.5MB in the beginning and 143.5MB in the end (delta: -28.0MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * Witness Printer took 104.87ms. Allocated memory is still 232.8MB. Free memory was 143.5MB in the beginning and 139.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:37:52,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e68912-d9b2-4c91-aa13-dfb768a25e31/bin/ukojak-jW3SillKbg/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