./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_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_236b3852-ca90-46b5-a722-bcb17cf0e48a/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236b3852-ca90-46b5-a722-bcb17cf0e48a/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_236b3852-ca90-46b5-a722-bcb17cf0e48a/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236b3852-ca90-46b5-a722-bcb17cf0e48a/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236b3852-ca90-46b5-a722-bcb17cf0e48a/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_236b3852-ca90-46b5-a722-bcb17cf0e48a/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 2cdaed2907f05652b8d80e7807a6570ff4fe9c756e25cc4c588f625603205857 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:00:55,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:00:55,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:00:55,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:00:55,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:00:55,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:00:55,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:00:55,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:00:55,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:00:55,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:00:55,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:00:55,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:00:55,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:00:55,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:00:55,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:00:55,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:00:55,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:00:55,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:00:55,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:00:55,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:00:55,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:00:55,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:00:55,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:00:55,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:00:55,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:00:55,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:00:55,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:00:55,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:00:55,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:00:55,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:00:55,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:00:55,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:00:55,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:00:55,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:00:55,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:00:55,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:00:55,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:00:55,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:00:55,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:00:55,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:00:55,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:00:55,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236b3852-ca90-46b5-a722-bcb17cf0e48a/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:00:55,155 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:00:55,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:00:55,156 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:00:55,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:00:55,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:00:55,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:00:55,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:00:55,158 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:00:55,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:00:55,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:00:55,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:00:55,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:00:55,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:00:55,159 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:00:55,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:00:55,159 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:00:55,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:00:55,160 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:00:55,160 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:00:55,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:00:55,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:00:55,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:00:55,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:00:55,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:00:55,161 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:00:55,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:00:55,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:00:55,162 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_236b3852-ca90-46b5-a722-bcb17cf0e48a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236b3852-ca90-46b5-a722-bcb17cf0e48a/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cdaed2907f05652b8d80e7807a6570ff4fe9c756e25cc4c588f625603205857 [2022-11-21 22:00:55,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:00:55,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:00:55,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:00:55,450 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:00:55,451 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:00:55,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236b3852-ca90-46b5-a722-bcb17cf0e48a/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_good.i [2022-11-21 22:00:58,522 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:00:58,866 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:00:58,867 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236b3852-ca90-46b5-a722-bcb17cf0e48a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_good.i [2022-11-21 22:00:58,907 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236b3852-ca90-46b5-a722-bcb17cf0e48a/bin/ukojak-jW3SillKbg/data/57f5cf1a8/26b09dd331da4609b05b3c99c8b3514d/FLAGd85705191 [2022-11-21 22:00:58,922 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236b3852-ca90-46b5-a722-bcb17cf0e48a/bin/ukojak-jW3SillKbg/data/57f5cf1a8/26b09dd331da4609b05b3c99c8b3514d [2022-11-21 22:00:58,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:00:58,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:00:58,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:00:58,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:00:58,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:00:58,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:00:58" (1/1) ... [2022-11-21 22:00:58,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d92f138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:58, skipping insertion in model container [2022-11-21 22:00:58,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:00:58" (1/1) ... [2022-11-21 22:00:58,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:00:58,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:00:59,446 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:00:59,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:00:59,989 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:01:00,021 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:01:00,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:01:00,289 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:01:00,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:00 WrapperNode [2022-11-21 22:01:00,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:01:00,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:01:00,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:01:00,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:01:00,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:00" (1/1) ... [2022-11-21 22:01:00,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:00" (1/1) ... [2022-11-21 22:01:00,363 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 110 [2022-11-21 22:01:00,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:01:00,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:01:00,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:01:00,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:01:00,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:00" (1/1) ... [2022-11-21 22:01:00,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:00" (1/1) ... [2022-11-21 22:01:00,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:00" (1/1) ... [2022-11-21 22:01:00,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:00" (1/1) ... [2022-11-21 22:01:00,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:00" (1/1) ... [2022-11-21 22:01:00,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:00" (1/1) ... [2022-11-21 22:01:00,391 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:00" (1/1) ... [2022-11-21 22:01:00,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:00" (1/1) ... [2022-11-21 22:01:00,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:01:00,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:01:00,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:01:00,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:01:00,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:01:00" (1/1) ... [2022-11-21 22:01:00,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:01:00,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236b3852-ca90-46b5-a722-bcb17cf0e48a/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:01:00,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236b3852-ca90-46b5-a722-bcb17cf0e48a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:01:00,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236b3852-ca90-46b5-a722-bcb17cf0e48a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:01:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:01:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:01:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:01:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:01:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:01:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:01:00,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:01:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:01:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:01:00,617 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:01:00,619 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:01:00,938 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:01:01,030 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:01:01,035 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 22:01:01,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:01:01 BoogieIcfgContainer [2022-11-21 22:01:01,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:01:01,040 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:01:01,040 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:01:01,051 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:01:01,051 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:01:01" (1/1) ... [2022-11-21 22:01:01,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:01:01,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:01,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-11-21 22:01:01,132 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-21 22:01:01,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:01:01,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:01,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:01,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:01,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2022-11-21 22:01:01,646 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-11-21 22:01:01,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:01:01,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:01,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:01,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:01,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:01,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2022-11-21 22:01:01,827 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-11-21 22:01:01,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:01:01,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:01,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:02,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:01:02,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2022-11-21 22:01:02,200 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-11-21 22:01:02,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:01:02,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:02,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:02,271 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 22:01:02,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:02,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-11-21 22:01:02,313 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-21 22:01:02,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:01:02,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:02,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:02,475 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 22:01:02,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:02,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2022-11-21 22:01:02,528 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-11-21 22:01:02,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:01:02,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:02,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:02,620 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 22:01:02,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:02,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 48 states and 60 transitions. [2022-11-21 22:01:02,681 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-11-21 22:01:02,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:01:02,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:02,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:02,761 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 22:01:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:02,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2022-11-21 22:01:02,782 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-11-21 22:01:02,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:01:02,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:02,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:02,849 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 22:01:02,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:02,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 48 states and 60 transitions. [2022-11-21 22:01:02,935 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-11-21 22:01:02,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:01:02,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:02,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:03,009 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 22:01:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:03,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2022-11-21 22:01:03,105 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2022-11-21 22:01:03,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:01:03,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:03,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:03,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:01:03,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:03,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2022-11-21 22:01:03,275 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-11-21 22:01:03,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:01:03,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:03,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:01:03,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:03,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2022-11-21 22:01:03,382 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-11-21 22:01:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:01:03,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:03,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:03,468 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 22:01:03,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:03,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2022-11-21 22:01:03,571 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2022-11-21 22:01:03,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:01:03,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:03,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:03,633 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 22:01:03,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:03,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 53 transitions. [2022-11-21 22:01:03,889 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-11-21 22:01:03,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:01:03,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:03,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:03,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:01:04,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:04,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 47 transitions. [2022-11-21 22:01:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-21 22:01:04,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:01:04,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:04,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:01:04,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:04,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 52 transitions. [2022-11-21 22:01:04,473 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-11-21 22:01:04,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:01:04,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:04,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:04,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:01:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:05,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 58 transitions. [2022-11-21 22:01:05,053 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-11-21 22:01:05,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:01:05,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:05,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:05,194 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 22:01:05,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:05,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 70 transitions. [2022-11-21 22:01:05,661 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-11-21 22:01:05,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:01:05,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:05,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:05,720 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 22:01:05,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:05,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 73 transitions. [2022-11-21 22:01:05,741 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2022-11-21 22:01:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 22:01:05,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:05,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:05,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 22:01:06,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:06,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 61 states and 78 transitions. [2022-11-21 22:01:06,162 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-11-21 22:01:06,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 22:01:06,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:06,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:06,218 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:01:06,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:06,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 65 states and 82 transitions. [2022-11-21 22:01:06,523 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2022-11-21 22:01:06,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 22:01:06,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:06,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:06,682 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 22:01:06,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 38 states and 42 transitions. [2022-11-21 22:01:06,968 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-11-21 22:01:06,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:01:06,969 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-11-21 22:01:06,980 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-21 22:01:07,114 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-21 22:01:07,124 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:01:07,125 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:01:07,125 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-21 22:01:07,128 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:01:07,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:01:07 ImpRootNode [2022-11-21 22:01:07,129 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:01:07,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:01:07,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:01:07,131 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:01:07,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:01:01" (3/4) ... [2022-11-21 22:01:07,138 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:01:07,143 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:01:07,144 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:01:07,151 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-21 22:01:07,152 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-21 22:01:07,152 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 22:01:07,152 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:01:07,224 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236b3852-ca90-46b5-a722-bcb17cf0e48a/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:01:07,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:01:07,227 INFO L158 Benchmark]: Toolchain (without parser) took 8300.98ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 96.1MB in the beginning and 51.1MB in the end (delta: 45.0MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB. [2022-11-21 22:01:07,245 INFO L158 Benchmark]: CDTParser took 1.49ms. Allocated memory is still 102.8MB. Free memory was 53.2MB in the beginning and 53.1MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:01:07,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1362.74ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 77.1MB in the end (delta: 18.6MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2022-11-21 22:01:07,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.15ms. Allocated memory is still 142.6MB. Free memory was 77.1MB in the beginning and 74.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:01:07,247 INFO L158 Benchmark]: Boogie Preprocessor took 30.71ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 71.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:01:07,247 INFO L158 Benchmark]: RCFGBuilder took 643.31ms. Allocated memory is still 142.6MB. Free memory was 71.9MB in the beginning and 104.6MB in the end (delta: -32.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-11-21 22:01:07,247 INFO L158 Benchmark]: CodeCheck took 6089.23ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 104.6MB in the beginning and 54.2MB in the end (delta: 50.4MB). Peak memory consumption was 87.8MB. Max. memory is 16.1GB. [2022-11-21 22:01:07,248 INFO L158 Benchmark]: Witness Printer took 97.15ms. Allocated memory is still 180.4MB. Free memory was 54.2MB in the beginning and 51.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:01:07,249 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, 46 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1328 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 560 mSDsluCounter, 541 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 166 mSDsCounter, 657 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2402 IncrementalHoareTripleChecker+Invalid, 3059 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 657 mSolverCounterUnsat, 375 mSDtfsCounter, 2402 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2986 GetRequests, 2890 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2927 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 405 NumberOfCodeBlocks, 405 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 384 ConstructedInterpolants, 0 QuantifiedInterpolants, 712 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 17 PerfectInterpolantSequences, 57/61 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: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: 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: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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: 1553]: Loop Invariant Derived loop invariant: 1 <= i || i == 0 - InvariantResult [Line: 1601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: h == 0 || ((1 <= h && data + 2 <= 0) && 0 <= data + 2) - InvariantResult [Line: 1582]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49ms. Allocated memory is still 102.8MB. Free memory was 53.2MB in the beginning and 53.1MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1362.74ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 77.1MB in the end (delta: 18.6MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.15ms. Allocated memory is still 142.6MB. Free memory was 77.1MB in the beginning and 74.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.71ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 71.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.31ms. Allocated memory is still 142.6MB. Free memory was 71.9MB in the beginning and 104.6MB in the end (delta: -32.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * CodeCheck took 6089.23ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 104.6MB in the beginning and 54.2MB in the end (delta: 50.4MB). Peak memory consumption was 87.8MB. Max. memory is 16.1GB. * Witness Printer took 97.15ms. Allocated memory is still 180.4MB. Free memory was 54.2MB in the beginning and 51.1MB 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 22:01:07,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236b3852-ca90-46b5-a722-bcb17cf0e48a/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