./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c --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_5a391223-4640-4f6b-aa5f-4321eb4a67e1/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a391223-4640-4f6b-aa5f-4321eb4a67e1/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_5a391223-4640-4f6b-aa5f-4321eb4a67e1/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a391223-4640-4f6b-aa5f-4321eb4a67e1/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a391223-4640-4f6b-aa5f-4321eb4a67e1/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_5a391223-4640-4f6b-aa5f-4321eb4a67e1/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 b8c16e949b804a2902e47966e35d88e859ba571c4506ac61977253ace96daf78 --- 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 16:44:53,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:44:53,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:44:53,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:44:53,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:44:53,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:44:53,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:44:53,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:44:53,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:44:53,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:44:53,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:44:53,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:44:53,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:44:53,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:44:53,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:44:53,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:44:53,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:44:53,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:44:53,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:44:53,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:44:53,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:44:53,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:44:53,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:44:53,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:44:53,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:44:53,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:44:53,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:44:53,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:44:53,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:44:53,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:44:53,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:44:53,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:44:53,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:44:53,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:44:53,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:44:53,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:44:53,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:44:53,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:44:53,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:44:53,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:44:53,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:44:53,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a391223-4640-4f6b-aa5f-4321eb4a67e1/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:44:53,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:44:53,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:44:53,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:44:53,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:44:53,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:44:53,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:44:53,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:44:53,389 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:44:53,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:44:53,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:44:53,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:44:53,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:44:53,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:44:53,391 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:44:53,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:44:53,392 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:44:53,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:44:53,392 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:44:53,392 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:44:53,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:44:53,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:44:53,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:44:53,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:44:53,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:44:53,394 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:44:53,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:44:53,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:44:53,394 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_5a391223-4640-4f6b-aa5f-4321eb4a67e1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a391223-4640-4f6b-aa5f-4321eb4a67e1/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8c16e949b804a2902e47966e35d88e859ba571c4506ac61977253ace96daf78 [2022-11-20 16:44:53,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:44:53,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:44:53,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:44:53,696 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:44:53,697 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:44:53,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a391223-4640-4f6b-aa5f-4321eb4a67e1/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2022-11-20 16:44:56,809 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:44:56,991 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:44:56,992 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a391223-4640-4f6b-aa5f-4321eb4a67e1/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2022-11-20 16:44:56,997 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a391223-4640-4f6b-aa5f-4321eb4a67e1/bin/ukojak-pZX7IvK2PQ/data/42a19d6eb/e95d44059dde4e3db2d86c353eba3c69/FLAGf39c8cfd7 [2022-11-20 16:44:57,010 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a391223-4640-4f6b-aa5f-4321eb4a67e1/bin/ukojak-pZX7IvK2PQ/data/42a19d6eb/e95d44059dde4e3db2d86c353eba3c69 [2022-11-20 16:44:57,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:44:57,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:44:57,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:44:57,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:44:57,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:44:57,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:44:57" (1/1) ... [2022-11-20 16:44:57,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4deeb6a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:57, skipping insertion in model container [2022-11-20 16:44:57,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:44:57" (1/1) ... [2022-11-20 16:44:57,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:44:57,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:44:57,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:44:57,241 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:44:57,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:44:57,267 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:44:57,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:57 WrapperNode [2022-11-20 16:44:57,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:44:57,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:44:57,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:44:57,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:44:57,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:57" (1/1) ... [2022-11-20 16:44:57,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:57" (1/1) ... [2022-11-20 16:44:57,300 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2022-11-20 16:44:57,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:44:57,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:44:57,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:44:57,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:44:57,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:57" (1/1) ... [2022-11-20 16:44:57,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:57" (1/1) ... [2022-11-20 16:44:57,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:57" (1/1) ... [2022-11-20 16:44:57,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:57" (1/1) ... [2022-11-20 16:44:57,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:57" (1/1) ... [2022-11-20 16:44:57,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:57" (1/1) ... [2022-11-20 16:44:57,320 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:57" (1/1) ... [2022-11-20 16:44:57,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:57" (1/1) ... [2022-11-20 16:44:57,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:44:57,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:44:57,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:44:57,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:44:57,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:57" (1/1) ... [2022-11-20 16:44:57,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:44:57,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a391223-4640-4f6b-aa5f-4321eb4a67e1/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:44:57,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a391223-4640-4f6b-aa5f-4321eb4a67e1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:44:57,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a391223-4640-4f6b-aa5f-4321eb4a67e1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:44:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:44:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:44:57,467 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:44:57,469 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:44:57,595 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:44:57,617 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:44:57,618 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:44:57,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:44:57 BoogieIcfgContainer [2022-11-20 16:44:57,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:44:57,622 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:44:57,622 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:44:57,635 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:44:57,635 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:44:57" (1/1) ... [2022-11-20 16:44:57,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:44:57,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:57,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2022-11-20 16:44:57,706 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-11-20 16:44:57,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:44:57,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:57,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:57,917 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 16:44:57,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:57,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2022-11-20 16:44:57,996 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2022-11-20 16:44:57,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:44:57,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:57,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:58,041 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 16:44:58,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:58,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2022-11-20 16:44:58,079 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-11-20 16:44:58,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:44:58,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:58,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:58,126 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 16:44:58,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:58,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2022-11-20 16:44:58,181 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-11-20 16:44:58,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:44:58,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:58,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:58,224 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 16:44:58,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:58,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2022-11-20 16:44:58,399 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2022-11-20 16:44:58,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:44:58,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:58,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:58,483 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 16:44:58,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:58,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2022-11-20 16:44:58,841 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2022-11-20 16:44:58,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:44:58,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:58,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:58,898 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 16:44:58,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:58,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2022-11-20 16:44:58,988 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2022-11-20 16:44:58,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:44:58,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:58,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:59,041 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 16:44:59,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:59,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2022-11-20 16:44:59,423 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2022-11-20 16:44:59,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:44:59,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:59,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:44:59,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:44:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:44:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:44:59,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:44:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:44:59,503 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2022-11-20 16:44:59,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:44:59 ImpRootNode [2022-11-20 16:44:59,527 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:44:59,528 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:44:59,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:44:59,528 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:44:59,529 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:44:57" (3/4) ... [2022-11-20 16:44:59,531 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 16:44:59,563 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a391223-4640-4f6b-aa5f-4321eb4a67e1/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:44:59,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:44:59,564 INFO L158 Benchmark]: Toolchain (without parser) took 2549.61ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 73.5MB in the beginning and 112.1MB in the end (delta: -38.6MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2022-11-20 16:44:59,565 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:44:59,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.01ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 73.4MB in the beginning and 141.1MB in the end (delta: -67.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2022-11-20 16:44:59,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.00ms. Allocated memory is still 169.9MB. Free memory was 141.1MB in the beginning and 139.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:44:59,567 INFO L158 Benchmark]: Boogie Preprocessor took 21.21ms. Allocated memory is still 169.9MB. Free memory was 139.6MB in the beginning and 138.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:44:59,568 INFO L158 Benchmark]: RCFGBuilder took 297.87ms. Allocated memory is still 169.9MB. Free memory was 138.5MB in the beginning and 127.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:44:59,568 INFO L158 Benchmark]: CodeCheck took 1905.76ms. Allocated memory is still 169.9MB. Free memory was 127.5MB in the beginning and 113.3MB in the end (delta: 14.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-11-20 16:44:59,569 INFO L158 Benchmark]: Witness Printer took 35.24ms. Allocated memory is still 169.9MB. Free memory was 113.3MB in the beginning and 112.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:44:59,576 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 1 procedures, 30 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 435 IncrementalHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 14 mSDtfsCounter, 435 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] COND TRUE a < 30 VAL [a=-2147483639, b=-2147483639] [L17] COND FALSE !(b < a) VAL [a=-2147483639, b=-2147483639] [L29] EXPR a + 2 [L29] a = a + 2 VAL [a=-2147483637, b=-2147483639] [L30] b - 10 VAL [a=-2147483637, b=-2147483639] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.01ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 73.4MB in the beginning and 141.1MB in the end (delta: -67.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.00ms. Allocated memory is still 169.9MB. Free memory was 141.1MB in the beginning and 139.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.21ms. Allocated memory is still 169.9MB. Free memory was 139.6MB in the beginning and 138.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.87ms. Allocated memory is still 169.9MB. Free memory was 138.5MB in the beginning and 127.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1905.76ms. Allocated memory is still 169.9MB. Free memory was 127.5MB in the beginning and 113.3MB in the end (delta: 14.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Witness Printer took 35.24ms. Allocated memory is still 169.9MB. Free memory was 113.3MB in the beginning and 112.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 16:44:59,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a391223-4640-4f6b-aa5f-4321eb4a67e1/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)