./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/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_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/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_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/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 0eccc374ed364788d84fd4c063f2d8112569f00ff2defb766ef3ba8a3a2d7ad7 --- 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 23:06:24,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:06:24,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:06:24,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:06:24,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:06:24,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:06:24,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:06:24,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:06:24,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:06:24,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:06:24,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:06:24,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:06:24,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:06:24,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:06:24,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:06:24,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:06:24,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:06:24,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:06:24,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:06:24,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:06:24,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:06:24,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:06:24,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:06:24,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:06:24,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:06:24,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:06:24,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:06:24,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:06:24,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:06:24,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:06:24,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:06:24,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:06:24,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:06:24,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:06:24,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:06:24,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:06:24,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:06:24,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:06:24,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:06:24,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:06:24,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:06:24,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:06:24,306 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:06:24,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:06:24,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:06:24,308 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:06:24,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:06:24,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:06:24,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:06:24,309 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:06:24,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:06:24,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:06:24,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:06:24,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:06:24,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:06:24,310 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:06:24,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:06:24,311 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:06:24,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:06:24,311 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:06:24,312 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:06:24,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:06:24,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:06:24,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:06:24,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:06:24,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:06:24,313 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:06:24,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:06:24,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:06:24,314 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_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0eccc374ed364788d84fd4c063f2d8112569f00ff2defb766ef3ba8a3a2d7ad7 [2022-11-21 23:06:24,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:06:24,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:06:24,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:06:24,632 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:06:24,632 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:06:24,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2022-11-21 23:06:27,676 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:06:28,034 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:06:28,034 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2022-11-21 23:06:28,064 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/bin/ukojak-jW3SillKbg/data/689a98b22/9ff3a24276634b6c9839d6781858c9de/FLAGb857460c7 [2022-11-21 23:06:28,084 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/bin/ukojak-jW3SillKbg/data/689a98b22/9ff3a24276634b6c9839d6781858c9de [2022-11-21 23:06:28,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:06:28,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:06:28,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:06:28,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:06:28,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:06:28,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:06:28" (1/1) ... [2022-11-21 23:06:28,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e62faf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:28, skipping insertion in model container [2022-11-21 23:06:28,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:06:28" (1/1) ... [2022-11-21 23:06:28,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:06:28,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:06:28,594 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:06:29,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:06:29,199 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:06:29,218 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:06:29,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:06:29,491 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:06:29,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:29 WrapperNode [2022-11-21 23:06:29,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:06:29,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:06:29,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:06:29,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:06:29,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:29" (1/1) ... [2022-11-21 23:06:29,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:29" (1/1) ... [2022-11-21 23:06:29,586 INFO L138 Inliner]: procedures = 502, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 111 [2022-11-21 23:06:29,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:06:29,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:06:29,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:06:29,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:06:29,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:29" (1/1) ... [2022-11-21 23:06:29,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:29" (1/1) ... [2022-11-21 23:06:29,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:29" (1/1) ... [2022-11-21 23:06:29,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:29" (1/1) ... [2022-11-21 23:06:29,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:29" (1/1) ... [2022-11-21 23:06:29,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:29" (1/1) ... [2022-11-21 23:06:29,637 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:29" (1/1) ... [2022-11-21 23:06:29,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:29" (1/1) ... [2022-11-21 23:06:29,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:06:29,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:06:29,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:06:29,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:06:29,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:29" (1/1) ... [2022-11-21 23:06:29,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:06:29,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:06:29,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:06:29,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:06:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:06:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:06:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 23:06:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:06:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:06:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:06:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 23:06:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:06:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:06:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:06:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:06:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:06:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:06:29,870 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:06:29,872 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:06:30,094 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:06:30,152 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:06:30,152 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 23:06:30,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:06:30 BoogieIcfgContainer [2022-11-21 23:06:30,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:06:30,156 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:06:30,156 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:06:30,167 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:06:30,167 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:06:30" (1/1) ... [2022-11-21 23:06:30,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:06:30,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:30,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2022-11-21 23:06:30,235 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-11-21 23:06:30,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:06:30,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:30,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:30,498 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 23:06:30,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:30,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2022-11-21 23:06:30,566 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-11-21 23:06:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:06:30,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:30,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:30,781 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 23:06:30,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:30,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2022-11-21 23:06:30,814 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-11-21 23:06:30,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:06:30,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:30,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:30,952 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 23:06:30,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:30,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2022-11-21 23:06:30,978 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-11-21 23:06:30,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:06:30,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:30,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:31,062 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 23:06:31,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:31,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2022-11-21 23:06:31,080 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2022-11-21 23:06:31,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:06:31,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:31,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:31,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:06:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:31,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2022-11-21 23:06:31,202 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-11-21 23:06:31,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:06:31,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:31,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:31,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:06:31,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:31,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 53 states and 66 transitions. [2022-11-21 23:06:31,345 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2022-11-21 23:06:31,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:06:31,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:31,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:06:31,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:31,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 55 transitions. [2022-11-21 23:06:31,561 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-21 23:06:31,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:06:31,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:31,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:06:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:32,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 66 transitions. [2022-11-21 23:06:32,054 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-11-21 23:06:32,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:06:32,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:32,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:32,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:06:32,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:32,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 58 states and 73 transitions. [2022-11-21 23:06:32,237 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-11-21 23:06:32,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:06:32,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:32,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:32,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:06:32,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:32,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 68 transitions. [2022-11-21 23:06:32,478 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2022-11-21 23:06:32,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:06:32,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:32,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:32,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:06:32,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 69 transitions. [2022-11-21 23:06:32,580 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-11-21 23:06:32,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:06:32,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:32,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:32,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:06:32,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:32,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 58 states and 73 transitions. [2022-11-21 23:06:32,773 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-11-21 23:06:32,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:06:32,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:32,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:32,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:06:32,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:32,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 76 transitions. [2022-11-21 23:06:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2022-11-21 23:06:32,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:06:32,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:32,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:33,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:06:33,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 83 transitions. [2022-11-21 23:06:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2022-11-21 23:06:33,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:06:33,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:33,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:33,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:06:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:33,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 84 transitions. [2022-11-21 23:06:33,523 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2022-11-21 23:06:33,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:06:33,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:33,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:33,646 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:06:33,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:33,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 66 states and 85 transitions. [2022-11-21 23:06:33,848 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2022-11-21 23:06:33,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:06:33,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:33,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:06:34,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:34,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 50 states and 59 transitions. [2022-11-21 23:06:34,063 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2022-11-21 23:06:34,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:06:34,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:34,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:34,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:06:34,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:34,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 46 states and 53 transitions. [2022-11-21 23:06:34,310 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2022-11-21 23:06:34,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:06:34,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:34,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:34,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:06:34,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 48 states and 57 transitions. [2022-11-21 23:06:34,822 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-11-21 23:06:34,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:06:34,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:34,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:34,860 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:06:34,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:34,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 49 states and 58 transitions. [2022-11-21 23:06:34,875 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2022-11-21 23:06:34,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:06:34,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:34,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:35,022 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:06:35,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:35,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 55 states and 67 transitions. [2022-11-21 23:06:35,348 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2022-11-21 23:06:35,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 23:06:35,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:35,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:06:35,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:35,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 56 states and 69 transitions. [2022-11-21 23:06:35,423 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2022-11-21 23:06:35,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 23:06:35,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:35,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:35,560 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:06:35,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:35,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 57 states and 70 transitions. [2022-11-21 23:06:35,820 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2022-11-21 23:06:35,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-21 23:06:35,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:35,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:35,886 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:06:36,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:36,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 44 states and 51 transitions. [2022-11-21 23:06:36,117 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-11-21 23:06:36,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:06:36,118 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2022-11-21 23:06:36,126 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-21 23:06:36,238 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:06:36,243 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-11-21 23:06:36,249 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:06:36,249 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:06:36,250 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:06:36,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:06:36 ImpRootNode [2022-11-21 23:06:36,251 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:06:36,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:06:36,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:06:36,253 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:06:36,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:06:30" (3/4) ... [2022-11-21 23:06:36,260 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:06:36,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:06:36,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:06:36,282 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-21 23:06:36,282 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-21 23:06:36,283 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:06:36,283 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:06:36,355 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:06:36,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:06:36,356 INFO L158 Benchmark]: Toolchain (without parser) took 8264.80ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 129.2MB in the beginning and 114.6MB in the end (delta: 14.6MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2022-11-21 23:06:36,356 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:06:36,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1400.47ms. Allocated memory is still 178.3MB. Free memory was 128.8MB in the beginning and 112.0MB in the end (delta: 16.8MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2022-11-21 23:06:36,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.19ms. Allocated memory is still 178.3MB. Free memory was 112.0MB in the beginning and 108.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:06:36,357 INFO L158 Benchmark]: Boogie Preprocessor took 56.82ms. Allocated memory is still 178.3MB. Free memory was 108.9MB in the beginning and 106.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:06:36,357 INFO L158 Benchmark]: RCFGBuilder took 510.77ms. Allocated memory is still 178.3MB. Free memory was 106.8MB in the beginning and 89.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:06:36,358 INFO L158 Benchmark]: CodeCheck took 6095.25ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 89.0MB in the beginning and 118.8MB in the end (delta: -29.8MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-11-21 23:06:36,358 INFO L158 Benchmark]: Witness Printer took 103.12ms. Allocated memory is still 213.9MB. Free memory was 117.7MB in the beginning and 114.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:06:36,359 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, 47 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2161 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 763 mSDsluCounter, 997 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 800 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3242 IncrementalHoareTripleChecker+Invalid, 4042 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 800 mSolverCounterUnsat, 747 mSDtfsCounter, 3242 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3897 GetRequests, 3784 SyntacticMatches, 9 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3710 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 486 ConstructedInterpolants, 0 QuantifiedInterpolants, 770 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 18 PerfectInterpolantSequences, 89/95 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1590]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1586]: Loop Invariant Derived loop invariant: (1 <= h && data == 2) || h == 0 - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1609]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1400.47ms. Allocated memory is still 178.3MB. Free memory was 128.8MB in the beginning and 112.0MB in the end (delta: 16.8MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.19ms. Allocated memory is still 178.3MB. Free memory was 112.0MB in the beginning and 108.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.82ms. Allocated memory is still 178.3MB. Free memory was 108.9MB in the beginning and 106.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 510.77ms. Allocated memory is still 178.3MB. Free memory was 106.8MB in the beginning and 89.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6095.25ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 89.0MB in the beginning and 118.8MB in the end (delta: -29.8MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Witness Printer took 103.12ms. Allocated memory is still 213.9MB. Free memory was 117.7MB in the beginning and 114.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:06:36,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb205267-bb6a-4ae5-9fd2-aa69bc145eb0/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