./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex6.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB --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 78741214800a0b84d55aaf48eb07d6d31c527d6c92aeea37b41275f82a13b130 --- 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-dbf71c6-m [2022-10-17 16:35:00,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:35:00,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:35:00,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:35:00,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:35:00,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:35:00,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:35:00,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:35:00,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:35:00,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:35:00,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:35:00,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:35:00,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:35:00,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:35:00,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:35:00,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:35:00,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:35:00,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:35:00,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:35:00,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:35:00,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:35:00,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:35:00,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:35:00,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:35:00,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:35:00,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:35:00,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:35:00,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:35:00,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:35:00,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:35:00,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:35:00,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:35:00,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:35:00,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:35:00,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:35:00,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:35:00,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:35:00,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:35:00,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:35:00,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:35:00,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:35:00,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:35:00,582 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:35:00,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:35:00,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:35:00,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:35:00,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:35:00,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:35:00,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:35:00,585 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:35:00,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:35:00,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:35:00,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:35:00,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:35:00,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:35:00,587 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:35:00,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:35:00,587 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:35:00,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:35:00,588 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:35:00,588 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:35:00,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:35:00,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:00,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:35:00,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:35:00,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:35:00,590 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:35:00,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:35:00,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:35:00,590 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_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78741214800a0b84d55aaf48eb07d6d31c527d6c92aeea37b41275f82a13b130 [2022-10-17 16:35:00,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:35:00,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:35:00,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:35:00,862 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:35:00,863 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:35:00,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex6.c [2022-10-17 16:35:00,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB/data/1330b4147/389b230103444dd39ba16fb1a8e8a681/FLAGf0c99be8f [2022-10-17 16:35:01,482 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:35:01,483 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex6.c [2022-10-17 16:35:01,489 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB/data/1330b4147/389b230103444dd39ba16fb1a8e8a681/FLAGf0c99be8f [2022-10-17 16:35:01,860 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB/data/1330b4147/389b230103444dd39ba16fb1a8e8a681 [2022-10-17 16:35:01,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:35:01,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:35:01,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:01,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:35:01,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:35:01,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:01" (1/1) ... [2022-10-17 16:35:01,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15bf1683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:01, skipping insertion in model container [2022-10-17 16:35:01,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:01" (1/1) ... [2022-10-17 16:35:01,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:35:01,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:35:02,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:02,060 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:35:02,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:02,087 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:35:02,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:02 WrapperNode [2022-10-17 16:35:02,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:02,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:02,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:35:02,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:35:02,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:02" (1/1) ... [2022-10-17 16:35:02,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:02" (1/1) ... [2022-10-17 16:35:02,119 INFO L138 Inliner]: procedures = 6, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2022-10-17 16:35:02,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:02,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:35:02,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:35:02,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:35:02,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:02" (1/1) ... [2022-10-17 16:35:02,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:02" (1/1) ... [2022-10-17 16:35:02,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:02" (1/1) ... [2022-10-17 16:35:02,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:02" (1/1) ... [2022-10-17 16:35:02,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:02" (1/1) ... [2022-10-17 16:35:02,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:02" (1/1) ... [2022-10-17 16:35:02,137 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:02" (1/1) ... [2022-10-17 16:35:02,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:02" (1/1) ... [2022-10-17 16:35:02,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:35:02,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:35:02,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:35:02,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:35:02,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:02" (1/1) ... [2022-10-17 16:35:02,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:02,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:35:02,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:35:02,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:35:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-10-17 16:35:02,218 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-10-17 16:35:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure g [2022-10-17 16:35:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2022-10-17 16:35:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:35:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:35:02,279 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:35:02,281 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:35:02,426 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:35:02,442 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:35:02,442 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:35:02,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:02 BoogieIcfgContainer [2022-10-17 16:35:02,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:35:02,446 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:35:02,446 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:35:02,457 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:35:02,458 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:02" (1/1) ... [2022-10-17 16:35:02,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:35:02,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:02,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2022-10-17 16:35:02,579 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-10-17 16:35:02,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:35:02,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:02,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:35:02,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:35:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:35:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:35:02,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:35:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:35:02,836 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-10-17 16:35:02,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:35:02 ImpRootNode [2022-10-17 16:35:02,861 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:35:02,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:35:02,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:35:02,862 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:35:02,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:02" (3/4) ... [2022-10-17 16:35:02,865 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:35:02,902 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:35:02,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:35:02,903 INFO L158 Benchmark]: Toolchain (without parser) took 1038.86ms. Allocated memory is still 96.5MB. Free memory was 57.0MB in the beginning and 48.6MB in the end (delta: 8.4MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-10-17 16:35:02,904 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory was 73.3MB in the beginning and 73.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:35:02,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.49ms. Allocated memory is still 96.5MB. Free memory was 56.8MB in the beginning and 74.2MB in the end (delta: -17.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:35:02,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.73ms. Allocated memory is still 96.5MB. Free memory was 73.8MB in the beginning and 72.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:35:02,906 INFO L158 Benchmark]: Boogie Preprocessor took 19.50ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 71.6MB in the end (delta: 859.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:35:02,907 INFO L158 Benchmark]: RCFGBuilder took 304.86ms. Allocated memory is still 96.5MB. Free memory was 71.6MB in the beginning and 60.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:35:02,908 INFO L158 Benchmark]: CodeCheck took 415.06ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 50.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:35:02,909 INFO L158 Benchmark]: Witness Printer took 40.41ms. Allocated memory is still 96.5MB. Free memory was 50.3MB in the beginning and 48.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:35:02,914 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, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - CounterExampleResult [Line: 21]: integer overflow possible integer overflow possible We found a FailurePath: [L34] int a = __VERIFIER_nondet_int(); [L35] int b = __VERIFIER_nondet_int(); [L36] COND TRUE a >= 0 && b >= 0 VAL [a=2147483647, b=1] [L37] CALL f(a, b) VAL [\old(a)=2147483647, \old(b)=1] [L18] COND FALSE !(b == 0) VAL [\old(a)=2147483647, \old(b)=1, a=2147483647, b=1] [L21] 1+a VAL [\old(a)=2147483647, \old(b)=1, a=2147483647, b=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory was 73.3MB in the beginning and 73.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.49ms. Allocated memory is still 96.5MB. Free memory was 56.8MB in the beginning and 74.2MB in the end (delta: -17.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.73ms. Allocated memory is still 96.5MB. Free memory was 73.8MB in the beginning and 72.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.50ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 71.6MB in the end (delta: 859.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.86ms. Allocated memory is still 96.5MB. Free memory was 71.6MB in the beginning and 60.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 415.06ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 50.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 40.41ms. Allocated memory is still 96.5MB. Free memory was 50.3MB in the beginning and 48.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:35:02,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e3ea1-7dc3-455b-88bd-c61f9bfc0b5a/bin/ukojak-92XMlrwhuB/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)