./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/Et4_true.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_ea5c7807-3409-4f7b-acc2-812b79c1f41f/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5c7807-3409-4f7b-acc2-812b79c1f41f/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_ea5c7807-3409-4f7b-acc2-812b79c1f41f/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5c7807-3409-4f7b-acc2-812b79c1f41f/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/Et4_true.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5c7807-3409-4f7b-acc2-812b79c1f41f/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_ea5c7807-3409-4f7b-acc2-812b79c1f41f/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 fd425c4b2002ad50235bdf7942d03f600c35812ae9d16cfe392f9b6ae03e09d0 --- 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 17:03:34,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:03:34,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:03:34,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:03:34,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:03:34,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:03:34,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:03:34,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:03:34,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:03:34,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:03:34,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:03:34,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:03:34,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:03:34,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:03:34,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:03:34,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:03:34,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:03:34,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:03:34,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:03:34,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:03:34,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:03:34,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:03:34,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:03:34,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:03:34,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:03:34,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:03:34,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:03:34,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:03:34,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:03:34,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:03:34,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:03:34,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:03:34,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:03:34,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:03:34,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:03:34,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:03:34,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:03:34,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:03:34,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:03:34,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:03:34,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:03:34,668 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5c7807-3409-4f7b-acc2-812b79c1f41f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:03:34,704 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:03:34,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:03:34,705 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:03:34,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:03:34,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:03:34,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:03:34,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:03:34,708 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:03:34,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:03:34,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:03:34,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:03:34,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:03:34,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:03:34,711 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:03:34,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:03:34,711 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:03:34,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:03:34,712 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:03:34,712 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:03:34,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:03:34,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:03:34,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:03:34,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:03:34,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:03:34,714 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:03:34,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:03:34,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:03:34,715 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_ea5c7807-3409-4f7b-acc2-812b79c1f41f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5c7807-3409-4f7b-acc2-812b79c1f41f/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd425c4b2002ad50235bdf7942d03f600c35812ae9d16cfe392f9b6ae03e09d0 [2022-11-20 17:03:35,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:03:35,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:03:35,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:03:35,110 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:03:35,110 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:03:35,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5c7807-3409-4f7b-acc2-812b79c1f41f/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-numeric/Et4_true.c [2022-11-20 17:03:38,136 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:03:38,362 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:03:38,363 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5c7807-3409-4f7b-acc2-812b79c1f41f/sv-benchmarks/c/termination-numeric/Et4_true.c [2022-11-20 17:03:38,370 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5c7807-3409-4f7b-acc2-812b79c1f41f/bin/ukojak-pZX7IvK2PQ/data/381c983ae/36da93a61e07461a91a70e085ad32130/FLAG091cdea12 [2022-11-20 17:03:38,395 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5c7807-3409-4f7b-acc2-812b79c1f41f/bin/ukojak-pZX7IvK2PQ/data/381c983ae/36da93a61e07461a91a70e085ad32130 [2022-11-20 17:03:38,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:03:38,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:03:38,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:03:38,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:03:38,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:03:38,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:03:38" (1/1) ... [2022-11-20 17:03:38,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@212ecd4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:38, skipping insertion in model container [2022-11-20 17:03:38,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:03:38" (1/1) ... [2022-11-20 17:03:38,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:03:38,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:03:38,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:03:38,683 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:03:38,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:03:38,719 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:03:38,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:38 WrapperNode [2022-11-20 17:03:38,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:03:38,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:03:38,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:03:38,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:03:38,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:38" (1/1) ... [2022-11-20 17:03:38,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:38" (1/1) ... [2022-11-20 17:03:38,753 INFO L138 Inliner]: procedures = 6, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-20 17:03:38,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:03:38,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:03:38,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:03:38,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:03:38,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:38" (1/1) ... [2022-11-20 17:03:38,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:38" (1/1) ... [2022-11-20 17:03:38,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:38" (1/1) ... [2022-11-20 17:03:38,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:38" (1/1) ... [2022-11-20 17:03:38,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:38" (1/1) ... [2022-11-20 17:03:38,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:38" (1/1) ... [2022-11-20 17:03:38,778 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:38" (1/1) ... [2022-11-20 17:03:38,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:38" (1/1) ... [2022-11-20 17:03:38,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:03:38,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:03:38,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:03:38,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:03:38,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:38" (1/1) ... [2022-11-20 17:03:38,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:03:38,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5c7807-3409-4f7b-acc2-812b79c1f41f/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:03:38,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5c7807-3409-4f7b-acc2-812b79c1f41f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:03:38,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5c7807-3409-4f7b-acc2-812b79c1f41f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:03:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure random [2022-11-20 17:03:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure random [2022-11-20 17:03:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure loop [2022-11-20 17:03:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure loop [2022-11-20 17:03:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:03:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:03:38,940 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:03:38,942 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:03:39,095 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:03:39,111 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:03:39,111 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:03:39,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:03:39 BoogieIcfgContainer [2022-11-20 17:03:39,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:03:39,115 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:03:39,115 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:03:39,126 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:03:39,126 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:03:39" (1/1) ... [2022-11-20 17:03:39,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:03:39,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:39,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2022-11-20 17:03:39,199 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2022-11-20 17:03:39,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:03:39,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:39,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:03:39,282 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:03:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:03:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:03:39,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:03:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:03:39,331 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-20 17:03:39,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:03:39 ImpRootNode [2022-11-20 17:03:39,371 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:03:39,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:03:39,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:03:39,372 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:03:39,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:03:39" (3/4) ... [2022-11-20 17:03:39,375 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 17:03:39,426 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5c7807-3409-4f7b-acc2-812b79c1f41f/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:03:39,426 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:03:39,427 INFO L158 Benchmark]: Toolchain (without parser) took 1023.68ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 108.4MB in the end (delta: 24.4MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-11-20 17:03:39,428 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 123.7MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:03:39,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.80ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 135.3MB in the end (delta: -2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:03:39,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.12ms. Allocated memory is still 167.8MB. Free memory was 135.3MB in the beginning and 133.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:03:39,444 INFO L158 Benchmark]: Boogie Preprocessor took 28.82ms. Allocated memory is still 167.8MB. Free memory was 133.9MB in the beginning and 132.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:03:39,444 INFO L158 Benchmark]: RCFGBuilder took 328.08ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 120.6MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:03:39,445 INFO L158 Benchmark]: CodeCheck took 256.50ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 110.1MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:03:39,446 INFO L158 Benchmark]: Witness Printer took 54.27ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 108.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:03:39,450 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, 37 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 5 NumberOfCodeBlocks, 5 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: 35]: integer overflow possible integer overflow possible We found a FailurePath: [L25] int x = __VERIFIER_nondet_int(); [L26] int y = __VERIFIER_nondet_int(); [L27] int z = __VERIFIER_nondet_int(); [L28] CALL random() [L33] int x = __VERIFIER_nondet_int(); [L34] COND TRUE x < 0 VAL [x=-2147483648] [L35] -x VAL [x=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 123.7MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.80ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 135.3MB in the end (delta: -2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.12ms. Allocated memory is still 167.8MB. Free memory was 135.3MB in the beginning and 133.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.82ms. Allocated memory is still 167.8MB. Free memory was 133.9MB in the beginning and 132.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 328.08ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 120.6MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 256.50ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 110.1MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 54.27ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 108.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 17:03:39,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5c7807-3409-4f7b-acc2-812b79c1f41f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)