./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 2329fc70 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_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/prodbin-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4 --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-2329fc7 [2022-12-14 16:28:08,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:28:08,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:28:08,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:28:08,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:28:08,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:28:08,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:28:08,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:28:08,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:28:08,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:28:08,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:28:08,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:28:08,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:28:08,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:28:08,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:28:08,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:28:08,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:28:08,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:28:08,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:28:08,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:28:08,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:28:08,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:28:08,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:28:08,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:28:08,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:28:08,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:28:08,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:28:08,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:28:08,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:28:08,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:28:08,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:28:08,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:28:08,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:28:08,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:28:08,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:28:08,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:28:08,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:28:08,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:28:08,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:28:08,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:28:08,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:28:08,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 16:28:08,742 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:28:08,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:28:08,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:28:08,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:28:08,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:28:08,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:28:08,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:28:08,744 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:28:08,744 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:28:08,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:28:08,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:28:08,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:28:08,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:28:08,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:28:08,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:28:08,746 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:28:08,746 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:28:08,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:28:08,746 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:28:08,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:28:08,752 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:28:08,753 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:28:08,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:28:08,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:28:08,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:28:08,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:28:08,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:28:08,754 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:28:08,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:28:08,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:28:08,754 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_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e66c8fdc8f3b3771cfa7e4d7d95a3c34e49547186ed45b177a99c3aa50cb9f3b [2022-12-14 16:28:08,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:28:08,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:28:08,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:28:08,949 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:28:08,949 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:28:08,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-nla/prodbin-both-t.c [2022-12-14 16:28:11,563 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:28:11,672 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:28:11,672 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44ed2d3-5427-4a22-bda0-d9c203455afe/sv-benchmarks/c/termination-nla/prodbin-both-t.c [2022-12-14 16:28:11,677 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4/data/9fefe44d7/07694ae7387e4ed9baacd22b97a01c49/FLAGa8701b440 [2022-12-14 16:28:11,688 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4/data/9fefe44d7/07694ae7387e4ed9baacd22b97a01c49 [2022-12-14 16:28:11,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:28:11,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:28:11,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:28:11,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:28:11,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:28:11,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:28:11" (1/1) ... [2022-12-14 16:28:11,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6361a056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:28:11, skipping insertion in model container [2022-12-14 16:28:11,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:28:11" (1/1) ... [2022-12-14 16:28:11,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:28:11,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:28:11,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:28:11,826 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:28:11,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:28:11,846 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:28:11,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:28:11 WrapperNode [2022-12-14 16:28:11,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:28:11,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:28:11,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:28:11,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:28:11,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:28:11" (1/1) ... [2022-12-14 16:28:11,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:28:11" (1/1) ... [2022-12-14 16:28:11,870 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2022-12-14 16:28:11,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:28:11,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:28:11,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:28:11,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:28:11,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:28:11" (1/1) ... [2022-12-14 16:28:11,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:28:11" (1/1) ... [2022-12-14 16:28:11,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:28:11" (1/1) ... [2022-12-14 16:28:11,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:28:11" (1/1) ... [2022-12-14 16:28:11,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:28:11" (1/1) ... [2022-12-14 16:28:11,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:28:11" (1/1) ... [2022-12-14 16:28:11,887 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:28:11" (1/1) ... [2022-12-14 16:28:11,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:28:11" (1/1) ... [2022-12-14 16:28:11,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:28:11,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:28:11,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:28:11,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:28:11,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:28:11" (1/1) ... [2022-12-14 16:28:11,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:28:11,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:28:11,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:28:11,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:28:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:28:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:28:11,990 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:28:11,991 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:28:12,125 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:28:12,137 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:28:12,137 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 16:28:12,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:28:12 BoogieIcfgContainer [2022-12-14 16:28:12,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:28:12,140 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:28:12,140 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:28:12,148 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:28:12,148 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:28:12" (1/1) ... [2022-12-14 16:28:12,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:28:12,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:28:12,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2022-12-14 16:28:12,196 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2022-12-14 16:28:12,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 16:28:12,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:28:12,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:28:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:28:12,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:28:12,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:28:12,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2022-12-14 16:28:12,337 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2022-12-14 16:28:12,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 16:28:12,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:28:12,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:28:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:28:12,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:28:12,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:28:12,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 49 states and 52 transitions. [2022-12-14 16:28:12,456 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2022-12-14 16:28:12,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 16:28:12,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:28:12,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:28:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:28:12,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 16:28:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:28:12,489 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-12-14 16:28:12,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 04:28:12 ImpRootNode [2022-12-14 16:28:12,505 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 16:28:12,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:28:12,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:28:12,505 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:28:12,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:28:12" (3/4) ... [2022-12-14 16:28:12,507 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 16:28:12,529 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 16:28:12,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:28:12,530 INFO L158 Benchmark]: Toolchain (without parser) took 839.20ms. Allocated memory is still 148.9MB. Free memory was 102.7MB in the beginning and 113.2MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:28:12,530 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 100.7MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:28:12,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 155.07ms. Allocated memory is still 148.9MB. Free memory was 102.2MB in the beginning and 93.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 16:28:12,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.13ms. Allocated memory is still 148.9MB. Free memory was 93.3MB in the beginning and 91.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:28:12,531 INFO L158 Benchmark]: Boogie Preprocessor took 18.59ms. Allocated memory is still 148.9MB. Free memory was 91.6MB in the beginning and 90.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:28:12,532 INFO L158 Benchmark]: RCFGBuilder took 249.38ms. Allocated memory is still 148.9MB. Free memory was 90.6MB in the beginning and 78.6MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 16:28:12,532 INFO L158 Benchmark]: CodeCheck took 364.68ms. Allocated memory is still 148.9MB. Free memory was 78.1MB in the beginning and 114.6MB in the end (delta: -36.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:28:12,533 INFO L158 Benchmark]: Witness Printer took 24.41ms. Allocated memory is still 148.9MB. Free memory was 114.6MB in the beginning and 113.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:28:12,536 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: 0.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 8 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s 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=-3, b=715827883, x=-3, y=715827883, z=0] [L36] COND TRUE 1 VAL [a=-3, b=715827883, x=-3, y=715827883, z=0] [L38] y + z VAL [a=-3, b=715827883, x=-3, y=715827883, z=0] [L38] x * y VAL [a=-3, b=715827883, x=-3, y=715827883, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 100.7MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 155.07ms. Allocated memory is still 148.9MB. Free memory was 102.2MB in the beginning and 93.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.13ms. Allocated memory is still 148.9MB. Free memory was 93.3MB in the beginning and 91.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.59ms. Allocated memory is still 148.9MB. Free memory was 91.6MB in the beginning and 90.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 249.38ms. Allocated memory is still 148.9MB. Free memory was 90.6MB in the beginning and 78.6MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 364.68ms. Allocated memory is still 148.9MB. Free memory was 78.1MB in the beginning and 114.6MB in the end (delta: -36.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 24.41ms. Allocated memory is still 148.9MB. Free memory was 114.6MB in the beginning and 113.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 16:28:12,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44ed2d3-5427-4a22-bda0-d9c203455afe/bin/ukojak-rkRKPMF4O4/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)