./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_05_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_47b7527f-70c3-41b4-9815-e326ae96f3f4/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47b7527f-70c3-41b4-9815-e326ae96f3f4/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_47b7527f-70c3-41b4-9815-e326ae96f3f4/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47b7527f-70c3-41b4-9815-e326ae96f3f4/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47b7527f-70c3-41b4-9815-e326ae96f3f4/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_47b7527f-70c3-41b4-9815-e326ae96f3f4/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 29674ae8935d7d2d102b464eebd119152cb15bf0f98e8d738568411b951c2316 --- 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 21:47:50,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:47:50,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:47:50,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:47:50,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:47:50,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:47:50,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:47:50,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:47:50,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:47:50,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:47:50,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:47:50,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:47:50,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:47:50,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:47:50,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:47:50,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:47:50,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:47:50,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:47:50,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:47:50,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:47:50,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:47:50,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:47:50,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:47:50,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:47:50,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:47:50,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:47:50,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:47:50,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:47:50,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:47:50,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:47:50,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:47:50,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:47:50,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:47:50,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:47:50,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:47:50,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:47:50,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:47:50,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:47:50,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:47:50,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:47:50,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:47:50,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47b7527f-70c3-41b4-9815-e326ae96f3f4/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 21:47:50,633 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:47:50,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:47:50,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:47:50,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:47:50,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:47:50,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:47:50,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:47:50,636 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:47:50,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:47:50,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:47:50,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:47:50,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:47:50,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:47:50,638 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:47:50,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:47:50,638 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:47:50,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:47:50,639 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:47:50,639 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:47:50,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:47:50,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:47:50,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:47:50,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:47:50,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:47:50,640 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:47:50,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:47:50,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:47:50,641 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_47b7527f-70c3-41b4-9815-e326ae96f3f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47b7527f-70c3-41b4-9815-e326ae96f3f4/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29674ae8935d7d2d102b464eebd119152cb15bf0f98e8d738568411b951c2316 [2022-11-21 21:47:50,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:47:50,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:47:51,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:47:51,001 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:47:51,002 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:47:51,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47b7527f-70c3-41b4-9815-e326ae96f3f4/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_05_good.i [2022-11-21 21:47:54,012 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:47:54,360 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:47:54,360 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47b7527f-70c3-41b4-9815-e326ae96f3f4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_05_good.i [2022-11-21 21:47:54,388 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47b7527f-70c3-41b4-9815-e326ae96f3f4/bin/ukojak-jW3SillKbg/data/3321f96a8/504e77c4174649779405cb2dbd1a9a88/FLAGbd97436ed [2022-11-21 21:47:54,404 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47b7527f-70c3-41b4-9815-e326ae96f3f4/bin/ukojak-jW3SillKbg/data/3321f96a8/504e77c4174649779405cb2dbd1a9a88 [2022-11-21 21:47:54,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:47:54,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:47:54,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:47:54,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:47:54,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:47:54,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:47:54" (1/1) ... [2022-11-21 21:47:54,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3860d311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:54, skipping insertion in model container [2022-11-21 21:47:54,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:47:54" (1/1) ... [2022-11-21 21:47:54,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:47:54,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:47:54,856 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:47:55,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:47:55,488 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:47:55,519 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:47:55,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:47:55,835 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:47:55,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:55 WrapperNode [2022-11-21 21:47:55,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:47:55,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:47:55,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:47:55,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:47:55,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:55" (1/1) ... [2022-11-21 21:47:55,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:55" (1/1) ... [2022-11-21 21:47:55,909 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 121 [2022-11-21 21:47:55,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:47:55,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:47:55,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:47:55,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:47:55,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:55" (1/1) ... [2022-11-21 21:47:55,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:55" (1/1) ... [2022-11-21 21:47:55,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:55" (1/1) ... [2022-11-21 21:47:55,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:55" (1/1) ... [2022-11-21 21:47:55,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:55" (1/1) ... [2022-11-21 21:47:55,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:55" (1/1) ... [2022-11-21 21:47:55,951 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:55" (1/1) ... [2022-11-21 21:47:55,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:55" (1/1) ... [2022-11-21 21:47:55,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:47:55,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:47:55,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:47:55,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:47:55,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:55" (1/1) ... [2022-11-21 21:47:55,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:47:55,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47b7527f-70c3-41b4-9815-e326ae96f3f4/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:47:55,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47b7527f-70c3-41b4-9815-e326ae96f3f4/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:47:55,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47b7527f-70c3-41b4-9815-e326ae96f3f4/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:47:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 21:47:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 21:47:56,020 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 21:47:56,020 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 21:47:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 21:47:56,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 21:47:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 21:47:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:47:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:47:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:47:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 21:47:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 21:47:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:47:56,170 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:47:56,172 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:47:56,438 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:47:56,526 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:47:56,526 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 21:47:56,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:47:56 BoogieIcfgContainer [2022-11-21 21:47:56,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:47:56,533 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:47:56,533 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:47:56,543 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:47:56,546 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:47:56" (1/1) ... [2022-11-21 21:47:56,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 21:47:56,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:56,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-21 21:47:56,629 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-21 21:47:56,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 21:47:56,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:56,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:56,964 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 21:47:57,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-11-21 21:47:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 21:47:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 21:47:57,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:57,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:57,124 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 21:47:57,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:57,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-11-21 21:47:57,155 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-21 21:47:57,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 21:47:57,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:57,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:57,236 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 21:47:57,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:57,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 77 transitions. [2022-11-21 21:47:57,303 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2022-11-21 21:47:57,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 21:47:57,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:57,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:57,365 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 21:47:57,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:57,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 70 transitions. [2022-11-21 21:47:57,445 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-21 21:47:57,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 21:47:57,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:57,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:57,496 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 21:47:57,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:57,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 72 transitions. [2022-11-21 21:47:57,880 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 21:47:57,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 21:47:57,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:57,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:57,951 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 21:47:58,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:58,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 59 states and 82 transitions. [2022-11-21 21:47:58,265 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-11-21 21:47:58,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 21:47:58,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:58,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:58,300 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 21:47:58,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:58,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 76 transitions. [2022-11-21 21:47:58,318 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-21 21:47:58,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 21:47:58,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:58,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:58,381 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 21:47:58,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:58,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 79 transitions. [2022-11-21 21:47:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-11-21 21:47:58,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 21:47:58,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:58,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:58,693 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 21:47:58,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:58,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 63 states and 86 transitions. [2022-11-21 21:47:58,738 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-21 21:47:58,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 21:47:58,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:58,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:58,789 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 21:47:59,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:59,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 83 transitions. [2022-11-21 21:47:59,011 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-21 21:47:59,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 21:47:59,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:59,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:59,072 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 21:47:59,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:59,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 82 transitions. [2022-11-21 21:47:59,166 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2022-11-21 21:47:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 21:47:59,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:59,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:59,202 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 21:47:59,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:59,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 84 transitions. [2022-11-21 21:47:59,311 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-11-21 21:47:59,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 21:47:59,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:59,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:59,386 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 21:47:59,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:59,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 62 states and 82 transitions. [2022-11-21 21:47:59,537 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-11-21 21:47:59,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 21:47:59,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:59,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:59,567 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 21:47:59,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:59,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 50 states and 66 transitions. [2022-11-21 21:47:59,583 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-21 21:47:59,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 21:47:59,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:59,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:59,622 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 21:47:59,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:59,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 48 states and 63 transitions. [2022-11-21 21:47:59,689 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-21 21:47:59,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 21:47:59,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:59,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:59,757 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 21:47:59,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:59,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 67 transitions. [2022-11-21 21:47:59,802 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-21 21:47:59,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 21:47:59,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:59,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:59,901 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 21:48:00,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:48:00,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 53 states and 72 transitions. [2022-11-21 21:48:00,020 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 21:48:00,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 21:48:00,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:48:00,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:48:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:48:00,099 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 21:48:00,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:48:00,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 62 states and 86 transitions. [2022-11-21 21:48:00,744 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-11-21 21:48:00,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 21:48:00,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:48:00,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:48:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:48:00,798 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 21:48:01,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:48:01,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 65 states and 90 transitions. [2022-11-21 21:48:01,091 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-21 21:48:01,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 21:48:01,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:48:01,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:48:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:48:01,135 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 21:48:01,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:48:01,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 62 states and 85 transitions. [2022-11-21 21:48:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-11-21 21:48:01,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 21:48:01,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:48:01,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:48:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:48:01,535 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 21:48:01,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:48:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 65 states and 90 transitions. [2022-11-21 21:48:01,859 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-21 21:48:01,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 21:48:01,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:48:01,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:48:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:48:01,928 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 21:48:02,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:48:02,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 68 states and 93 transitions. [2022-11-21 21:48:02,265 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2022-11-21 21:48:02,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 21:48:02,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:48:02,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:48:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:48:02,328 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 21:48:02,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:48:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 67 states and 90 transitions. [2022-11-21 21:48:02,611 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-11-21 21:48:02,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 21:48:02,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:48:02,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:48:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:48:02,725 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 21:48:02,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:48:02,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 72 states and 99 transitions. [2022-11-21 21:48:02,936 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2022-11-21 21:48:02,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 21:48:02,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:48:02,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:48:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:48:02,979 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 21:48:03,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:48:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 67 states and 91 transitions. [2022-11-21 21:48:03,071 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2022-11-21 21:48:03,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 21:48:03,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:48:03,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:48:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:48:03,137 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 21:48:03,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:48:03,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 44 states and 56 transitions. [2022-11-21 21:48:03,171 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-21 21:48:03,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 21:48:03,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:48:03,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:48:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:48:03,285 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 21:48:03,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:48:03,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 43 states and 55 transitions. [2022-11-21 21:48:03,431 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-21 21:48:03,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 21:48:03,431 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2022-11-21 21:48:03,439 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 21:48:03,744 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 21:48:03,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 09:48:03 ImpRootNode [2022-11-21 21:48:03,748 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 21:48:03,749 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 21:48:03,749 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 21:48:03,749 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 21:48:03,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:47:56" (3/4) ... [2022-11-21 21:48:03,753 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 21:48:03,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 21:48:03,758 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 21:48:03,763 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 21:48:03,763 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 21:48:03,763 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 21:48:03,764 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 21:48:03,764 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 21:48:03,830 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47b7527f-70c3-41b4-9815-e326ae96f3f4/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 21:48:03,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 21:48:03,834 INFO L158 Benchmark]: Toolchain (without parser) took 9423.73ms. Allocated memory was 172.0MB in the beginning and 283.1MB in the end (delta: 111.1MB). Free memory was 121.6MB in the beginning and 175.5MB in the end (delta: -53.9MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2022-11-21 21:48:03,835 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 172.0MB. Free memory was 132.9MB in the beginning and 132.9MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:48:03,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1422.58ms. Allocated memory was 172.0MB in the beginning and 234.9MB in the end (delta: 62.9MB). Free memory was 121.6MB in the beginning and 168.0MB in the end (delta: -46.4MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2022-11-21 21:48:03,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.83ms. Allocated memory is still 234.9MB. Free memory was 168.0MB in the beginning and 164.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 21:48:03,836 INFO L158 Benchmark]: Boogie Preprocessor took 45.53ms. Allocated memory is still 234.9MB. Free memory was 164.8MB in the beginning and 163.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:48:03,836 INFO L158 Benchmark]: RCFGBuilder took 575.81ms. Allocated memory is still 234.9MB. Free memory was 163.8MB in the beginning and 143.9MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 21:48:03,836 INFO L158 Benchmark]: CodeCheck took 7215.43ms. Allocated memory was 234.9MB in the beginning and 283.1MB in the end (delta: 48.2MB). Free memory was 143.9MB in the beginning and 179.6MB in the end (delta: -35.8MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-11-21 21:48:03,837 INFO L158 Benchmark]: Witness Printer took 85.14ms. Allocated memory is still 283.1MB. Free memory was 179.6MB in the beginning and 175.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 21:48:03,838 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: 6.9s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4908 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1844 mSDsluCounter, 3855 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1495 mSDsCounter, 1123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4866 IncrementalHoareTripleChecker+Invalid, 5989 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1123 mSolverCounterUnsat, 2360 mSDtfsCounter, 4866 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6464 GetRequests, 6300 SyntacticMatches, 12 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11475 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 644 NumberOfCodeBlocks, 644 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 617 ConstructedInterpolants, 0 QuantifiedInterpolants, 1332 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 132/132 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: 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: 1668]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 172.0MB. Free memory was 132.9MB in the beginning and 132.9MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1422.58ms. Allocated memory was 172.0MB in the beginning and 234.9MB in the end (delta: 62.9MB). Free memory was 121.6MB in the beginning and 168.0MB in the end (delta: -46.4MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.83ms. Allocated memory is still 234.9MB. Free memory was 168.0MB in the beginning and 164.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.53ms. Allocated memory is still 234.9MB. Free memory was 164.8MB in the beginning and 163.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 575.81ms. Allocated memory is still 234.9MB. Free memory was 163.8MB in the beginning and 143.9MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 7215.43ms. Allocated memory was 234.9MB in the beginning and 283.1MB in the end (delta: 48.2MB). Free memory was 143.9MB in the beginning and 179.6MB in the end (delta: -35.8MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Witness Printer took 85.14ms. Allocated memory is still 283.1MB. Free memory was 179.6MB in the beginning and 175.5MB 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 21:48:03,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47b7527f-70c3-41b4-9815-e326ae96f3f4/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE