./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/prodbin-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/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_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/prodbin-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/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 32bit --witnessprinter.graph.data.programhash e66c8fdc8f3b3771cfa7e4d7d95a3c34e49547186ed45b177a99c3aa50cb9f3b --- 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 23:55:16,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:55:16,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:55:16,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:55:16,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:55:16,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:55:16,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:55:16,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:55:16,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:55:16,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:55:16,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:55:16,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:55:16,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:55:16,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:55:16,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:55:16,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:55:16,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:55:16,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:55:16,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:55:16,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:55:16,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:55:16,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:55:16,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:55:16,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:55:16,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:55:16,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:55:16,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:55:16,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:55:16,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:55:16,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:55:16,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:55:16,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:55:16,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:55:16,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:55:16,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:55:16,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:55:16,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:55:16,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:55:16,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:55:16,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:55:16,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:55:16,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:55:16,638 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:55:16,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:55:16,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:55:16,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:55:16,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:55:16,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:55:16,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:55:16,642 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:55:16,642 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:55:16,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:55:16,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:55:16,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:55:16,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:55:16,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:55:16,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:55:16,645 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:55:16,645 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:55:16,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:55:16,646 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:55:16,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:55:16,646 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:55:16,647 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:55:16,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:55:16,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:55:16,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:55:16,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:55:16,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:55:16,648 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:55:16,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:55:16,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:55:16,650 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_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e66c8fdc8f3b3771cfa7e4d7d95a3c34e49547186ed45b177a99c3aa50cb9f3b [2022-11-21 23:55:16,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:55:16,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:55:16,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:55:16,987 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:55:16,988 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:55:16,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-nla/prodbin-both-t.c [2022-11-21 23:55:20,032 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:55:20,252 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:55:20,252 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/sv-benchmarks/c/termination-nla/prodbin-both-t.c [2022-11-21 23:55:20,259 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/bin/ukojak-jW3SillKbg/data/0d53a483f/d9b19afc8073490b9f9f78fc628318c8/FLAG11e74111b [2022-11-21 23:55:20,274 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/bin/ukojak-jW3SillKbg/data/0d53a483f/d9b19afc8073490b9f9f78fc628318c8 [2022-11-21 23:55:20,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:55:20,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:55:20,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:55:20,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:55:20,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:55:20,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:55:20" (1/1) ... [2022-11-21 23:55:20,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ed8fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:20, skipping insertion in model container [2022-11-21 23:55:20,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:55:20" (1/1) ... [2022-11-21 23:55:20,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:55:20,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:55:20,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:55:20,509 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:55:20,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:55:20,547 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:55:20,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:20 WrapperNode [2022-11-21 23:55:20,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:55:20,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:55:20,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:55:20,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:55:20,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:20" (1/1) ... [2022-11-21 23:55:20,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:20" (1/1) ... [2022-11-21 23:55:20,589 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2022-11-21 23:55:20,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:55:20,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:55:20,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:55:20,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:55:20,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:20" (1/1) ... [2022-11-21 23:55:20,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:20" (1/1) ... [2022-11-21 23:55:20,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:20" (1/1) ... [2022-11-21 23:55:20,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:20" (1/1) ... [2022-11-21 23:55:20,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:20" (1/1) ... [2022-11-21 23:55:20,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:20" (1/1) ... [2022-11-21 23:55:20,622 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:20" (1/1) ... [2022-11-21 23:55:20,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:20" (1/1) ... [2022-11-21 23:55:20,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:55:20,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:55:20,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:55:20,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:55:20,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:20" (1/1) ... [2022-11-21 23:55:20,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:55:20,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:55:20,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:55:20,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:55:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:55:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:55:20,777 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:55:20,779 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:55:21,060 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:55:21,081 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:55:21,081 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 23:55:21,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:55:21 BoogieIcfgContainer [2022-11-21 23:55:21,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:55:21,085 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:55:21,085 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:55:21,095 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:55:21,095 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:55:21" (1/1) ... [2022-11-21 23:55:21,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:55:21,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:55:21,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2022-11-21 23:55:21,177 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2022-11-21 23:55:21,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:55:21,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:55:21,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:55:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:55:21,406 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 23:55:21,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:55:21,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 46 states and 48 transitions. [2022-11-21 23:55:21,461 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2022-11-21 23:55:21,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:55:21,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:55:21,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:55:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:55:21,518 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 23:55:21,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:55:21,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 49 states and 52 transitions. [2022-11-21 23:55:21,617 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2022-11-21 23:55:21,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:55:21,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:55:21,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:55:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:55:21,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:55:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:55:21,655 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-21 23:55:21,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:55:21 ImpRootNode [2022-11-21 23:55:21,694 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:55:21,695 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:55:21,695 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:55:21,695 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:55:21,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:55:21" (3/4) ... [2022-11-21 23:55:21,698 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 23:55:21,759 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:55:21,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:55:21,760 INFO L158 Benchmark]: Toolchain (without parser) took 1481.10ms. Allocated memory is still 132.1MB. Free memory was 98.6MB in the beginning and 50.9MB in the end (delta: 47.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-21 23:55:21,760 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 132.1MB. Free memory was 74.1MB in the beginning and 74.0MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:55:21,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.68ms. Allocated memory is still 132.1MB. Free memory was 98.6MB in the beginning and 89.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:55:21,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.11ms. Allocated memory is still 132.1MB. Free memory was 89.2MB in the beginning and 87.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:55:21,763 INFO L158 Benchmark]: Boogie Preprocessor took 34.08ms. Allocated memory is still 132.1MB. Free memory was 87.7MB in the beginning and 86.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:55:21,768 INFO L158 Benchmark]: RCFGBuilder took 459.22ms. Allocated memory is still 132.1MB. Free memory was 86.6MB in the beginning and 74.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 23:55:21,769 INFO L158 Benchmark]: CodeCheck took 609.38ms. Allocated memory is still 132.1MB. Free memory was 74.0MB in the beginning and 52.4MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 23:55:21,770 INFO L158 Benchmark]: Witness Printer took 63.98ms. Allocated memory is still 132.1MB. Free memory was 52.4MB in the beginning and 50.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:55:21,774 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, 44 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 4 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 38]: integer overflow possible integer overflow possible We found a FailurePath: [L21] int a, b; [L22] int x, y, z; [L24] a = __VERIFIER_nondet_int() [L25] b = __VERIFIER_nondet_int() [L28] COND FALSE !(b < 1) [L32] x = a [L33] y = b [L34] z = 0 VAL [a=2, b=1073741824, x=2, y=1073741824, z=0] [L36] COND TRUE 1 VAL [a=2, b=1073741824, x=2, y=1073741824, z=0] [L38] y + z VAL [a=2, b=1073741824, x=2, y=1073741824, z=0] [L38] x * y VAL [a=2, b=1073741824, x=2, y=1073741824, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 132.1MB. Free memory was 74.1MB in the beginning and 74.0MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.68ms. Allocated memory is still 132.1MB. Free memory was 98.6MB in the beginning and 89.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.11ms. Allocated memory is still 132.1MB. Free memory was 89.2MB in the beginning and 87.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.08ms. Allocated memory is still 132.1MB. Free memory was 87.7MB in the beginning and 86.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.22ms. Allocated memory is still 132.1MB. Free memory was 86.6MB in the beginning and 74.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 609.38ms. Allocated memory is still 132.1MB. Free memory was 74.0MB in the beginning and 52.4MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 63.98ms. Allocated memory is still 132.1MB. Free memory was 52.4MB in the beginning and 50.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 23:55:21,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62db1-2b10-45f9-ba06-7eaf3a7defde/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)