./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_61_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_61_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9002032724294f3677e78666c646a3d0fe3cc4a1246fd0afa3598569ff15a5d6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:21:27,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:21:27,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:21:27,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:21:27,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:21:27,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:21:27,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:21:27,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:21:27,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:21:27,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:21:27,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:21:27,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:21:27,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:21:27,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:21:27,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:21:27,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:21:27,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:21:27,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:21:27,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:21:27,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:21:27,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:21:27,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:21:27,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:21:27,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:21:27,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:21:27,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:21:27,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:21:27,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:21:27,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:21:27,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:21:27,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:21:27,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:21:27,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:21:27,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:21:27,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:21:27,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:21:27,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:21:27,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:21:27,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:21:27,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:21:27,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:21:27,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:21:27,190 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:21:27,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:21:27,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:21:27,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:21:27,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:21:27,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:21:27,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:21:27,195 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:21:27,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:21:27,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:21:27,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:21:27,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:21:27,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:21:27,198 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:21:27,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:21:27,198 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:21:27,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:21:27,199 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:21:27,199 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:21:27,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:21:27,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:21:27,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:21:27,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:21:27,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:21:27,201 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:21:27,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:21:27,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:21:27,202 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_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9002032724294f3677e78666c646a3d0fe3cc4a1246fd0afa3598569ff15a5d6 [2022-11-20 18:21:27,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:21:27,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:21:27,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:21:27,576 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:21:27,576 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:21:27,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_61_good.i [2022-11-20 18:21:30,679 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:21:31,040 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:21:31,040 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26570496-4534-42f2-b2e0-e2adf3f877a2/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_61_good.i [2022-11-20 18:21:31,063 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ/data/942c9198c/32af3ff05fd546c8954f811300d0fe7f/FLAG4ee517104 [2022-11-20 18:21:31,091 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ/data/942c9198c/32af3ff05fd546c8954f811300d0fe7f [2022-11-20 18:21:31,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:21:31,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:21:31,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:21:31,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:21:31,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:21:31,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:31" (1/1) ... [2022-11-20 18:21:31,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db57d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:31, skipping insertion in model container [2022-11-20 18:21:31,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:31" (1/1) ... [2022-11-20 18:21:31,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:21:31,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:21:31,555 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:21:32,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:32,189 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:21:32,223 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:21:32,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:32,440 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:21:32,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:32 WrapperNode [2022-11-20 18:21:32,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:21:32,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:21:32,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:21:32,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:21:32,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:32" (1/1) ... [2022-11-20 18:21:32,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:32" (1/1) ... [2022-11-20 18:21:32,494 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 62 [2022-11-20 18:21:32,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:21:32,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:21:32,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:21:32,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:21:32,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:32" (1/1) ... [2022-11-20 18:21:32,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:32" (1/1) ... [2022-11-20 18:21:32,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:32" (1/1) ... [2022-11-20 18:21:32,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:32" (1/1) ... [2022-11-20 18:21:32,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:32" (1/1) ... [2022-11-20 18:21:32,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:32" (1/1) ... [2022-11-20 18:21:32,528 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:32" (1/1) ... [2022-11-20 18:21:32,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:32" (1/1) ... [2022-11-20 18:21:32,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:21:32,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:21:32,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:21:32,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:21:32,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:32" (1/1) ... [2022-11-20 18:21:32,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:21:32,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:21:32,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:21:32,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:21:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 18:21:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 18:21:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:21:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:21:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:21:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:21:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:21:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:21:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:21:32,842 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:21:32,848 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:21:33,077 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:21:33,115 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:21:33,116 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:21:33,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:33 BoogieIcfgContainer [2022-11-20 18:21:33,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:21:33,119 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:21:33,119 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:21:33,130 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:21:33,130 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:33" (1/1) ... [2022-11-20 18:21:33,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:21:33,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:33,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-20 18:21:33,210 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-20 18:21:33,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:21:33,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:33,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:33,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:33,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:33,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2022-11-20 18:21:33,659 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-20 18:21:33,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:21:33,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:33,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:33,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:33,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2022-11-20 18:21:33,830 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-11-20 18:21:33,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:21:33,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:33,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:33,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:34,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:34,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 20 transitions. [2022-11-20 18:21:34,048 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2022-11-20 18:21:34,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:21:34,048 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2022-11-20 18:21:34,056 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 18:21:34,089 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:21:34,093 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:21:34,094 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:21:34,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:21:34 ImpRootNode [2022-11-20 18:21:34,095 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:21:34,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:21:34,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:21:34,097 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:21:34,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:33" (3/4) ... [2022-11-20 18:21:34,103 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:21:34,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 18:21:34,131 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 18:21:34,136 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 18:21:34,137 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 18:21:34,137 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 18:21:34,137 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:21:34,202 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:21:34,207 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:21:34,208 INFO L158 Benchmark]: Toolchain (without parser) took 3111.69ms. Allocated memory is still 180.4MB. Free memory was 131.9MB in the beginning and 83.2MB in the end (delta: 48.8MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2022-11-20 18:21:34,209 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 134.2MB. Free memory was 76.0MB in the beginning and 75.9MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:21:34,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1341.71ms. Allocated memory is still 180.4MB. Free memory was 131.9MB in the beginning and 141.9MB in the end (delta: -10.0MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2022-11-20 18:21:34,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.76ms. Allocated memory is still 180.4MB. Free memory was 141.9MB in the beginning and 139.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:34,210 INFO L158 Benchmark]: Boogie Preprocessor took 53.64ms. Allocated memory is still 180.4MB. Free memory was 139.0MB in the beginning and 137.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:34,210 INFO L158 Benchmark]: RCFGBuilder took 568.94ms. Allocated memory is still 180.4MB. Free memory was 137.7MB in the beginning and 123.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 18:21:34,211 INFO L158 Benchmark]: CodeCheck took 975.90ms. Allocated memory is still 180.4MB. Free memory was 123.1MB in the beginning and 86.4MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-20 18:21:34,211 INFO L158 Benchmark]: Witness Printer took 111.51ms. Allocated memory is still 180.4MB. Free memory was 86.4MB in the beginning and 83.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:21:34,214 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, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 24 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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: 1556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1549]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 134.2MB. Free memory was 76.0MB in the beginning and 75.9MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1341.71ms. Allocated memory is still 180.4MB. Free memory was 131.9MB in the beginning and 141.9MB in the end (delta: -10.0MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.76ms. Allocated memory is still 180.4MB. Free memory was 141.9MB in the beginning and 139.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.64ms. Allocated memory is still 180.4MB. Free memory was 139.0MB in the beginning and 137.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 568.94ms. Allocated memory is still 180.4MB. Free memory was 137.7MB in the beginning and 123.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 975.90ms. Allocated memory is still 180.4MB. Free memory was 123.1MB in the beginning and 86.4MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 111.51ms. Allocated memory is still 180.4MB. Free memory was 86.4MB in the beginning and 83.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:21:34,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26570496-4534-42f2-b2e0-e2adf3f877a2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE