./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/jain_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/jain_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c32f942c6eb2912830a40efe9162c395bf3634ab4557e4b71a48bed97282f20f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:11:57,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:11:57,173 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 02:11:57,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:11:57,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:11:57,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:11:57,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:11:57,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:11:57,227 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:11:57,227 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:11:57,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:11:57,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:11:57,228 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:11:57,228 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 02:11:57,228 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 02:11:57,228 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 02:11:57,228 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 02:11:57,228 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 02:11:57,228 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 02:11:57,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:11:57,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 02:11:57,231 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 02:11:57,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 02:11:57,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 02:11:57,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:11:57,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 02:11:57,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 02:11:57,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 02:11:57,232 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 02:11:57,232 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 02:11:57,233 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:11:57,233 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 02:11:57,233 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:11:57,233 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:11:57,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:11:57,233 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:11:57,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:11:57,234 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 02:11:57,234 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 02:11:57,234 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> c32f942c6eb2912830a40efe9162c395bf3634ab4557e4b71a48bed97282f20f [2024-11-24 02:11:57,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:11:57,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:11:57,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:11:57,613 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:11:57,614 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:11:57,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/bitvector/jain_1-1.c [2024-11-24 02:12:00,790 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC/data/df399e770/9a1eba99ad214ba4a3bf9c82211b120f/FLAGc4d3c5352 [2024-11-24 02:12:01,124 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:12:01,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/sv-benchmarks/c/bitvector/jain_1-1.c [2024-11-24 02:12:01,143 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC/data/df399e770/9a1eba99ad214ba4a3bf9c82211b120f/FLAGc4d3c5352 [2024-11-24 02:12:01,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC/data/df399e770/9a1eba99ad214ba4a3bf9c82211b120f [2024-11-24 02:12:01,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:12:01,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:12:01,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:12:01,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:12:01,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:12:01,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:12:01" (1/1) ... [2024-11-24 02:12:01,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce541b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:01, skipping insertion in model container [2024-11-24 02:12:01,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:12:01" (1/1) ... [2024-11-24 02:12:01,216 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:12:01,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:12:01,465 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:12:01,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:12:01,512 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:12:01,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:01 WrapperNode [2024-11-24 02:12:01,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:12:01,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:12:01,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:12:01,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:12:01,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:01" (1/1) ... [2024-11-24 02:12:01,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:01" (1/1) ... [2024-11-24 02:12:01,564 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 27 [2024-11-24 02:12:01,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:12:01,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:12:01,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:12:01,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:12:01,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:01" (1/1) ... [2024-11-24 02:12:01,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:01" (1/1) ... [2024-11-24 02:12:01,577 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:01" (1/1) ... [2024-11-24 02:12:01,592 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 02:12:01,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:01" (1/1) ... [2024-11-24 02:12:01,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:01" (1/1) ... [2024-11-24 02:12:01,598 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:01" (1/1) ... [2024-11-24 02:12:01,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:01" (1/1) ... [2024-11-24 02:12:01,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:01" (1/1) ... [2024-11-24 02:12:01,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:01" (1/1) ... [2024-11-24 02:12:01,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:01" (1/1) ... [2024-11-24 02:12:01,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:12:01,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:12:01,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:12:01,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:12:01,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:01" (1/1) ... [2024-11-24 02:12:01,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:12:01,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:12:01,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:12:01,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 02:12:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:12:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:12:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:12:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 02:12:01,789 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:12:01,791 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:12:01,935 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-24 02:12:01,935 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:12:01,948 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:12:01,949 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 02:12:01,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:12:01 BoogieIcfgContainer [2024-11-24 02:12:01,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:12:01,950 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 02:12:01,950 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 02:12:01,961 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 02:12:01,962 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 02:12:01,962 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 02:12:01" (1/3) ... [2024-11-24 02:12:01,964 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3dfe8458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 02:12:01, skipping insertion in model container [2024-11-24 02:12:01,965 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 02:12:01,965 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:01" (2/3) ... [2024-11-24 02:12:01,966 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3dfe8458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 02:12:01, skipping insertion in model container [2024-11-24 02:12:01,966 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 02:12:01,966 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:12:01" (3/3) ... [2024-11-24 02:12:01,968 INFO L363 chiAutomizerObserver]: Analyzing ICFG jain_1-1.c [2024-11-24 02:12:02,035 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 02:12:02,036 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 02:12:02,036 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 02:12:02,036 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 02:12:02,036 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 02:12:02,036 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 02:12:02,036 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 02:12:02,036 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 02:12:02,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:12:02,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-24 02:12:02,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 02:12:02,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 02:12:02,068 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-24 02:12:02,068 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-24 02:12:02,068 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 02:12:02,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:12:02,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-24 02:12:02,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 02:12:02,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 02:12:02,070 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-24 02:12:02,070 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-24 02:12:02,079 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_~y~0#1;havoc main_~y~0#1;main_~y~0#1 := 1;" [2024-11-24 02:12:02,079 INFO L749 eck$LassoCheckResult]: Loop: "havoc main_#t~nondet4#1;main_~y~0#1 := main_~y~0#1 + 2 * main_#t~nondet4#1;havoc main_#t~nondet4#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 != main_~y~0#1 % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;" [2024-11-24 02:12:02,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:12:02,086 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-24 02:12:02,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:12:02,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737885150] [2024-11-24 02:12:02,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:12:02,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:12:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:12:02,184 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:12:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:12:02,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:12:02,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:12:02,215 INFO L85 PathProgramCache]: Analyzing trace with hash 41005, now seen corresponding path program 1 times [2024-11-24 02:12:02,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:12:02,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880383234] [2024-11-24 02:12:02,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:12:02,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:12:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:12:02,247 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:12:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:12:02,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:12:02,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:12:02,277 INFO L85 PathProgramCache]: Analyzing trace with hash 28699947, now seen corresponding path program 1 times [2024-11-24 02:12:02,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:12:02,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874408570] [2024-11-24 02:12:02,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:12:02,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:12:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:12:02,320 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:12:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:12:02,349 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:12:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:12:02,748 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:12:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:12:02,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 02:12:02 BoogieIcfgContainer [2024-11-24 02:12:02,784 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 02:12:02,785 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 02:12:02,785 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 02:12:02,785 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 02:12:02,786 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:12:01" (3/4) ... [2024-11-24 02:12:02,788 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 02:12:02,826 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 02:12:02,826 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 02:12:02,828 INFO L158 Benchmark]: Toolchain (without parser) took 1634.46ms. Allocated memory is still 142.6MB. Free memory was 119.9MB in the beginning and 71.8MB in the end (delta: 48.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-24 02:12:02,831 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:12:02,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.48ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 109.2MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:12:02,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.66ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 108.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:12:02,832 INFO L158 Benchmark]: Boogie Preprocessor took 47.54ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:12:02,833 INFO L158 Benchmark]: RCFGBuilder took 335.91ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 97.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:12:02,833 INFO L158 Benchmark]: BuchiAutomizer took 833.85ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 73.4MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 02:12:02,835 INFO L158 Benchmark]: Witness Printer took 41.32ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 71.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:12:02,838 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.48ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 109.2MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.66ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 108.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.54ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 335.91ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 97.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 833.85ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 73.4MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 41.32ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 71.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 1]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L22] unsigned int y; [L24] y = 1U VAL [y=1] Loop: [L28] y = y +2U*__VERIFIER_nondet_uint() [L31] CALL __VERIFIER_assert (y!=0U) [L15] COND FALSE !(!(cond)) [L31] RET __VERIFIER_assert (y!=0U) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L22] unsigned int y; [L24] y = 1U VAL [y=1] Loop: [L28] y = y +2U*__VERIFIER_nondet_uint() [L31] CALL __VERIFIER_assert (y!=0U) [L15] COND FALSE !(!(cond)) [L31] RET __VERIFIER_assert (y!=0U) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 02:12:02,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86fc591d-0693-4073-9bf2-35d9f4453cac/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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(TERM)