./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_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_47a62051-48ab-4a2b-ba1b-28024da48c9c/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a62051-48ab-4a2b-ba1b-28024da48c9c/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_47a62051-48ab-4a2b-ba1b-28024da48c9c/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a62051-48ab-4a2b-ba1b-28024da48c9c/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a62051-48ab-4a2b-ba1b-28024da48c9c/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_47a62051-48ab-4a2b-ba1b-28024da48c9c/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 7cbae9391c4ed9cd4a359fd1d9ab3bf365e2d8097ded5d2c5a1c1e449d1b38da --- 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 22:17:21,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:17:21,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:17:21,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:17:21,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:17:21,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:17:21,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:17:21,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:17:21,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:17:21,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:17:21,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:17:21,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:17:21,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:17:21,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:17:21,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:17:21,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:17:21,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:17:21,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:17:21,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:17:21,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:17:21,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:17:21,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:17:21,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:17:21,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:17:21,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:17:21,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:17:21,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:17:21,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:17:21,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:17:21,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:17:21,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:17:21,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:17:21,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:17:21,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:17:21,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:17:21,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:17:21,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:17:21,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:17:21,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:17:21,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:17:21,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:17:21,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a62051-48ab-4a2b-ba1b-28024da48c9c/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:17:21,279 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:17:21,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:17:21,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:17:21,280 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:17:21,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:17:21,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:17:21,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:17:21,282 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:17:21,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:17:21,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:17:21,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:17:21,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:17:21,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:17:21,284 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:17:21,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:17:21,284 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:17:21,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:17:21,285 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:17:21,285 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:17:21,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:17:21,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:17:21,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:17:21,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:17:21,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:17:21,286 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:17:21,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:17:21,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:17:21,287 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_47a62051-48ab-4a2b-ba1b-28024da48c9c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a62051-48ab-4a2b-ba1b-28024da48c9c/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cbae9391c4ed9cd4a359fd1d9ab3bf365e2d8097ded5d2c5a1c1e449d1b38da [2022-11-21 22:17:21,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:17:21,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:17:21,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:17:21,645 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:17:21,645 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:17:21,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a62051-48ab-4a2b-ba1b-28024da48c9c/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_good.i [2022-11-21 22:17:24,742 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:17:25,173 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:17:25,174 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a62051-48ab-4a2b-ba1b-28024da48c9c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_good.i [2022-11-21 22:17:25,204 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a62051-48ab-4a2b-ba1b-28024da48c9c/bin/ukojak-jW3SillKbg/data/66653b5c2/cf43dd2752634554ace2c4ca2a4806d8/FLAG2b35b89ae [2022-11-21 22:17:25,223 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a62051-48ab-4a2b-ba1b-28024da48c9c/bin/ukojak-jW3SillKbg/data/66653b5c2/cf43dd2752634554ace2c4ca2a4806d8 [2022-11-21 22:17:25,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:17:25,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:17:25,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:17:25,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:17:25,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:17:25,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:17:25" (1/1) ... [2022-11-21 22:17:25,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d9e4da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:25, skipping insertion in model container [2022-11-21 22:17:25,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:17:25" (1/1) ... [2022-11-21 22:17:25,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:17:25,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:17:25,671 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:17:26,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:17:26,186 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:17:26,204 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:17:26,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:17:26,405 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:17:26,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:26 WrapperNode [2022-11-21 22:17:26,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:17:26,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:17:26,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:17:26,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:17:26,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:26" (1/1) ... [2022-11-21 22:17:26,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:26" (1/1) ... [2022-11-21 22:17:26,462 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 83 [2022-11-21 22:17:26,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:17:26,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:17:26,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:17:26,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:17:26,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:26" (1/1) ... [2022-11-21 22:17:26,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:26" (1/1) ... [2022-11-21 22:17:26,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:26" (1/1) ... [2022-11-21 22:17:26,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:26" (1/1) ... [2022-11-21 22:17:26,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:26" (1/1) ... [2022-11-21 22:17:26,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:26" (1/1) ... [2022-11-21 22:17:26,486 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:26" (1/1) ... [2022-11-21 22:17:26,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:26" (1/1) ... [2022-11-21 22:17:26,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:17:26,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:17:26,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:17:26,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:17:26,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:26" (1/1) ... [2022-11-21 22:17:26,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:17:26,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a62051-48ab-4a2b-ba1b-28024da48c9c/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:17:26,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a62051-48ab-4a2b-ba1b-28024da48c9c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:17:26,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a62051-48ab-4a2b-ba1b-28024da48c9c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:17:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:17:26,586 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:17:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:17:26,587 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:17:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:17:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:17:26,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:17:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:17:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:17:26,764 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:17:26,766 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:17:26,928 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:17:26,964 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:17:26,965 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:17:26,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:17:26 BoogieIcfgContainer [2022-11-21 22:17:26,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:17:26,968 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:17:26,968 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:17:26,979 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:17:26,979 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:17:26" (1/1) ... [2022-11-21 22:17:26,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:17:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:27,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-11-21 22:17:27,042 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-11-21 22:17:27,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:17:27,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:27,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:27,443 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 22:17:27,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:27,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 39 transitions. [2022-11-21 22:17:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-11-21 22:17:27,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:17:27,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:27,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:27,603 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 22:17:27,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:27,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 36 transitions. [2022-11-21 22:17:27,683 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-21 22:17:27,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:17:27,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:27,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:27,808 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 22:17:27,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:27,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 29 transitions. [2022-11-21 22:17:27,837 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-21 22:17:27,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:17:27,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:27,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:27,977 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 22:17:28,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:28,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 28 transitions. [2022-11-21 22:17:28,143 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-21 22:17:28,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:17:28,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:28,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:28,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:17:28,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:28,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 27 transitions. [2022-11-21 22:17:28,443 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-21 22:17:28,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:17:28,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:28,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:28,629 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:17:28,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:28,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 26 transitions. [2022-11-21 22:17:28,853 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-21 22:17:28,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:17:28,854 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-11-21 22:17:28,865 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-21 22:17:28,905 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:17:28,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:17:28 ImpRootNode [2022-11-21 22:17:28,911 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:17:28,913 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:17:28,914 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:17:28,914 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:17:28,915 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:17:26" (3/4) ... [2022-11-21 22:17:28,928 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:17:28,937 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:17:28,938 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:17:28,948 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-21 22:17:28,948 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 22:17:28,948 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 22:17:28,949 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:17:29,015 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a62051-48ab-4a2b-ba1b-28024da48c9c/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:17:29,017 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:17:29,018 INFO L158 Benchmark]: Toolchain (without parser) took 3787.79ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 106.6MB in the beginning and 108.1MB in the end (delta: -1.6MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2022-11-21 22:17:29,021 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 155.2MB. Free memory was 124.5MB in the beginning and 124.4MB in the end (delta: 80.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:17:29,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1173.36ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 111.5MB in the end (delta: -4.9MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2022-11-21 22:17:29,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.40ms. Allocated memory is still 155.2MB. Free memory was 111.5MB in the beginning and 108.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:17:29,022 INFO L158 Benchmark]: Boogie Preprocessor took 26.56ms. Allocated memory is still 155.2MB. Free memory was 108.8MB in the beginning and 107.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:17:29,023 INFO L158 Benchmark]: RCFGBuilder took 477.23ms. Allocated memory is still 155.2MB. Free memory was 107.3MB in the beginning and 92.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:17:29,023 INFO L158 Benchmark]: CodeCheck took 1943.07ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 91.4MB in the beginning and 112.3MB in the end (delta: -21.0MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2022-11-21 22:17:29,024 INFO L158 Benchmark]: Witness Printer took 104.21ms. Allocated memory is still 199.2MB. Free memory was 112.3MB in the beginning and 108.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:17:29,026 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, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 279 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 174 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 595 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 18/18 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1633]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 155.2MB. Free memory was 124.5MB in the beginning and 124.4MB in the end (delta: 80.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1173.36ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 111.5MB in the end (delta: -4.9MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.40ms. Allocated memory is still 155.2MB. Free memory was 111.5MB in the beginning and 108.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.56ms. Allocated memory is still 155.2MB. Free memory was 108.8MB in the beginning and 107.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.23ms. Allocated memory is still 155.2MB. Free memory was 107.3MB in the beginning and 92.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1943.07ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 91.4MB in the beginning and 112.3MB in the end (delta: -21.0MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Witness Printer took 104.21ms. Allocated memory is still 199.2MB. Free memory was 112.3MB in the beginning and 108.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:17:29,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a62051-48ab-4a2b-ba1b-28024da48c9c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE