./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig2-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/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_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig2-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/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 64bit --witnessprinter.graph.data.programhash 041376d57652038a5d4ee57a004231861ab6efac51c30f8b6c72783e60a27529 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:37:49,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:37:49,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-24 00:37:49,195 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:37:49,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:37:49,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:37:49,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:37:49,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:37:49,254 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:37:49,255 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:37:49,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:37:49,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:37:49,257 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:37:49,257 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 00:37:49,258 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 00:37:49,258 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 00:37:49,258 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 00:37:49,259 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 00:37:49,259 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 00:37:49,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:37:49,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 00:37:49,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:37:49,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:37:49,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 00:37:49,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 00:37:49,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 00:37:49,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:37:49,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:37:49,260 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 00:37:49,260 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:37:49,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:37:49,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:37:49,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:37:49,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:37:49,261 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 00:37:49,262 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 00:37:49,262 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_742bd835-1e72-4f18-b393-8ef18dcdd3ef/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 041376d57652038a5d4ee57a004231861ab6efac51c30f8b6c72783e60a27529 [2024-11-24 00:37:49,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:37:49,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:37:49,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:37:49,682 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:37:49,682 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:37:49,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig2-alloca-2.i [2024-11-24 00:37:53,363 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/data/c65f87f75/8b04b2235de64249bc0080adab1170f0/FLAG5f966c224 [2024-11-24 00:37:53,785 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:37:53,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig2-alloca-2.i [2024-11-24 00:37:53,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/data/c65f87f75/8b04b2235de64249bc0080adab1170f0/FLAG5f966c224 [2024-11-24 00:37:53,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/data/c65f87f75/8b04b2235de64249bc0080adab1170f0 [2024-11-24 00:37:53,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:37:53,941 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:37:53,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:37:53,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:37:53,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:37:53,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:37:53" (1/1) ... [2024-11-24 00:37:53,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a1cff30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:53, skipping insertion in model container [2024-11-24 00:37:53,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:37:53" (1/1) ... [2024-11-24 00:37:53,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:37:54,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:37:54,426 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:37:54,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:37:54,538 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:37:54,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:54 WrapperNode [2024-11-24 00:37:54,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:37:54,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:37:54,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:37:54,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:37:54,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:54" (1/1) ... [2024-11-24 00:37:54,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:54" (1/1) ... [2024-11-24 00:37:54,602 INFO L138 Inliner]: procedures = 110, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-24 00:37:54,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:37:54,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:37:54,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:37:54,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:37:54,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:54" (1/1) ... [2024-11-24 00:37:54,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:54" (1/1) ... [2024-11-24 00:37:54,620 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:54" (1/1) ... [2024-11-24 00:37:54,640 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [4, 5]. 56 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 5 writes are split as follows [2, 3]. [2024-11-24 00:37:54,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:54" (1/1) ... [2024-11-24 00:37:54,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:54" (1/1) ... [2024-11-24 00:37:54,645 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:54" (1/1) ... [2024-11-24 00:37:54,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:54" (1/1) ... [2024-11-24 00:37:54,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:54" (1/1) ... [2024-11-24 00:37:54,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:54" (1/1) ... [2024-11-24 00:37:54,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:54" (1/1) ... [2024-11-24 00:37:54,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:37:54,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:37:54,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:37:54,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:37:54,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:54" (1/1) ... [2024-11-24 00:37:54,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:37:54,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:37:54,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:37:54,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 00:37:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:37:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:37:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:37:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:37:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:37:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:37:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:37:54,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:37:54,879 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:37:54,881 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:37:55,038 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-24 00:37:55,038 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:37:55,050 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:37:55,050 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:37:55,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:37:55 BoogieIcfgContainer [2024-11-24 00:37:55,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:37:55,052 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 00:37:55,052 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 00:37:55,058 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 00:37:55,059 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:37:55,059 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 12:37:53" (1/3) ... [2024-11-24 00:37:55,060 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@539fbe8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:37:55, skipping insertion in model container [2024-11-24 00:37:55,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:37:55,060 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:54" (2/3) ... [2024-11-24 00:37:55,061 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@539fbe8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:37:55, skipping insertion in model container [2024-11-24 00:37:55,061 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:37:55,061 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:37:55" (3/3) ... [2024-11-24 00:37:55,062 INFO L363 chiAutomizerObserver]: Analyzing ICFG Urban-2013WST-Fig2-alloca-2.i [2024-11-24 00:37:55,123 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 00:37:55,123 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 00:37:55,124 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 00:37:55,124 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 00:37:55,124 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 00:37:55,124 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 00:37:55,124 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 00:37:55,124 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 00:37:55,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 00:37:55,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-24 00:37:55,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:37:55,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:37:55,157 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-24 00:37:55,157 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-24 00:37:55,157 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 00:37:55,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 00:37:55,159 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-24 00:37:55,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:37:55,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:37:55,159 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-24 00:37:55,159 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-24 00:37:55,168 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-11-24 00:37:55,168 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !true;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-11-24 00:37:55,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:55,175 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-24 00:37:55,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:37:55,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799781889] [2024-11-24 00:37:55,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:55,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:37:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:37:55,327 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:37:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:37:55,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:37:55,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:55,375 INFO L85 PathProgramCache]: Analyzing trace with hash 34451723, now seen corresponding path program 1 times [2024-11-24 00:37:55,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:37:55,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355691177] [2024-11-24 00:37:55,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:55,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:37:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:55,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:37:55,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355691177] [2024-11-24 00:37:55,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355691177] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:37:55,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630009884] [2024-11-24 00:37:55,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:55,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:37:55,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:37:55,476 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:37:55,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:37:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:55,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:37:55,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:37:55,576 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:37:55,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630009884] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:37:55,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:37:55,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-24 00:37:55,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3437339] [2024-11-24 00:37:55,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:37:55,586 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-24 00:37:55,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:37:55,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:37:55,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:37:55,624 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 00:37:55,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:37:55,631 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2024-11-24 00:37:55,633 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 14 transitions. [2024-11-24 00:37:55,634 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-24 00:37:55,642 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 10 transitions. [2024-11-24 00:37:55,644 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-24 00:37:55,644 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-24 00:37:55,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2024-11-24 00:37:55,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:37:55,646 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-24 00:37:55,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2024-11-24 00:37:55,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-24 00:37:55,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 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 00:37:55,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-11-24 00:37:55,681 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-24 00:37:55,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:37:55,688 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-24 00:37:55,690 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 00:37:55,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2024-11-24 00:37:55,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-24 00:37:55,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:37:55,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:37:55,692 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-24 00:37:55,692 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-24 00:37:55,692 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-11-24 00:37:55,692 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-11-24 00:37:55,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:55,693 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-24 00:37:55,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:37:55,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303610937] [2024-11-24 00:37:55,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:55,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:37:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:37:55,722 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:37:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:37:55,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:37:55,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:55,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1067994606, now seen corresponding path program 1 times [2024-11-24 00:37:55,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:37:55,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408633481] [2024-11-24 00:37:55,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:55,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:37:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:56,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:37:56,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408633481] [2024-11-24 00:37:56,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408633481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:37:56,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908288313] [2024-11-24 00:37:56,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:56,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:37:56,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:37:56,093 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:37:56,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:37:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:56,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:37:56,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:37:56,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 00:37:56,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-24 00:37:56,298 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:37:56,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908288313] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:37:56,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:37:56,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-24 00:37:56,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242550367] [2024-11-24 00:37:56,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:37:56,353 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-24 00:37:56,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:37:56,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:37:56,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:37:56,354 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 00:37:56,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:37:56,470 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2024-11-24 00:37:56,471 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 16 transitions. [2024-11-24 00:37:56,471 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-11-24 00:37:56,472 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 16 transitions. [2024-11-24 00:37:56,472 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-24 00:37:56,472 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-24 00:37:56,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 16 transitions. [2024-11-24 00:37:56,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:37:56,472 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-24 00:37:56,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 16 transitions. [2024-11-24 00:37:56,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2024-11-24 00:37:56,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 13 states have internal predecessors, (15), 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 00:37:56,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-11-24 00:37:56,479 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-24 00:37:56,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:37:56,481 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-24 00:37:56,481 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-24 00:37:56,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 15 transitions. [2024-11-24 00:37:56,482 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-11-24 00:37:56,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:37:56,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:37:56,484 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-24 00:37:56,484 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 2, 2, 1, 1, 1, 1, 1] [2024-11-24 00:37:56,484 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-11-24 00:37:56,484 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-11-24 00:37:56,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:56,485 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2024-11-24 00:37:56,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:37:56,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154796380] [2024-11-24 00:37:56,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:56,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:37:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:37:56,529 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:37:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:37:56,555 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:37:56,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:56,556 INFO L85 PathProgramCache]: Analyzing trace with hash -900611890, now seen corresponding path program 1 times [2024-11-24 00:37:56,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:37:56,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667103222] [2024-11-24 00:37:56,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:56,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:37:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:57,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:37:57,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667103222] [2024-11-24 00:37:57,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667103222] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:37:57,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081549915] [2024-11-24 00:37:57,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:57,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:37:57,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:37:57,231 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:37:57,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:37:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:57,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 00:37:57,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:37:57,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 00:37:57,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-24 00:37:57,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-24 00:37:57,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-24 00:37:57,440 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:37:57,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081549915] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:37:57,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:37:57,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 12 [2024-11-24 00:37:57,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570101928] [2024-11-24 00:37:57,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:37:57,549 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-24 00:37:57,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:37:57,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:37:57,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:37:57,550 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. cyclomatic complexity: 2 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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 00:37:57,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:37:57,722 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2024-11-24 00:37:57,723 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 28 transitions. [2024-11-24 00:37:57,724 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2024-11-24 00:37:57,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 28 transitions. [2024-11-24 00:37:57,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-11-24 00:37:57,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2024-11-24 00:37:57,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 28 transitions. [2024-11-24 00:37:57,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:37:57,729 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 28 transitions. [2024-11-24 00:37:57,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 28 transitions. [2024-11-24 00:37:57,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2024-11-24 00:37:57,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 25 states have internal predecessors, (27), 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 00:37:57,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2024-11-24 00:37:57,733 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 27 transitions. [2024-11-24 00:37:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 00:37:57,735 INFO L425 stractBuchiCegarLoop]: Abstraction has 26 states and 27 transitions. [2024-11-24 00:37:57,736 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-24 00:37:57,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 27 transitions. [2024-11-24 00:37:57,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2024-11-24 00:37:57,739 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:37:57,739 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:37:57,739 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-24 00:37:57,741 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [7, 6, 6, 1, 1, 1, 1, 1] [2024-11-24 00:37:57,741 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-11-24 00:37:57,741 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-11-24 00:37:57,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:57,742 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times [2024-11-24 00:37:57,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:37:57,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088443822] [2024-11-24 00:37:57,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:57,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:37:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:37:57,780 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:37:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:37:57,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:37:57,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:57,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1564103026, now seen corresponding path program 2 times [2024-11-24 00:37:57,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:37:57,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832805312] [2024-11-24 00:37:57,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:57,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:37:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:59,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:37:59,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832805312] [2024-11-24 00:37:59,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832805312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:37:59,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029607398] [2024-11-24 00:37:59,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:59,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:37:59,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:37:59,347 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:37:59,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 00:37:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:59,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-24 00:37:59,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:37:59,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 00:37:59,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-24 00:37:59,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-24 00:37:59,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-24 00:37:59,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-24 00:37:59,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-24 00:37:59,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-24 00:37:59,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-24 00:37:59,718 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:37:59,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029607398] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:37:59,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:37:59,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 10] total 19 [2024-11-24 00:37:59,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027290260] [2024-11-24 00:37:59,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:37:59,984 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-24 00:37:59,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:37:59,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-24 00:37:59,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:37:59,985 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. cyclomatic complexity: 2 Second operand has 19 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 19 states have internal predecessors, (44), 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 00:38:00,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:00,227 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2024-11-24 00:38:00,227 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 37 transitions. [2024-11-24 00:38:00,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 34 [2024-11-24 00:38:00,229 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 37 transitions. [2024-11-24 00:38:00,229 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2024-11-24 00:38:00,229 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2024-11-24 00:38:00,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 37 transitions. [2024-11-24 00:38:00,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:38:00,230 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 37 transitions. [2024-11-24 00:38:00,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 37 transitions. [2024-11-24 00:38:00,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-11-24 00:38:00,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 34 states have internal predecessors, (36), 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 00:38:00,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2024-11-24 00:38:00,236 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-11-24 00:38:00,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-24 00:38:00,238 INFO L425 stractBuchiCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-11-24 00:38:00,238 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-24 00:38:00,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 36 transitions. [2024-11-24 00:38:00,239 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2024-11-24 00:38:00,241 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:38:00,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:38:00,242 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-24 00:38:00,242 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [10, 9, 9, 1, 1, 1, 1, 1] [2024-11-24 00:38:00,243 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-11-24 00:38:00,243 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-11-24 00:38:00,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:00,243 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 5 times [2024-11-24 00:38:00,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:00,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246871041] [2024-11-24 00:38:00,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:00,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:00,269 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:00,285 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:38:00,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:00,285 INFO L85 PathProgramCache]: Analyzing trace with hash 627800555, now seen corresponding path program 3 times [2024-11-24 00:38:00,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:00,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396063077] [2024-11-24 00:38:00,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:00,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:00,349 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:00,387 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:38:00,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:00,391 INFO L85 PathProgramCache]: Analyzing trace with hash -691374487, now seen corresponding path program 1 times [2024-11-24 00:38:00,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:00,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126555126] [2024-11-24 00:38:00,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:00,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:00,476 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:00,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:38:05,732 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:38:05,732 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:38:05,733 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:38:05,733 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:38:05,733 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-24 00:38:05,733 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:05,734 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:38:05,734 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:38:05,734 INFO L132 ssoRankerPreferences]: Filename of dumped script: Urban-2013WST-Fig2-alloca-2.i_Iteration5_Lasso [2024-11-24 00:38:05,734 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:38:05,734 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:38:05,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:05,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:05,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:05,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:05,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:05,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:05,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:05,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:05,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:05,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:05,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:06,597 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:38:06,604 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-24 00:38:06,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:06,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:06,611 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:06,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-24 00:38:06,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:06,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:06,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:38:06,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:06,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:06,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:06,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:38:06,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:38:06,642 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:06,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-24 00:38:06,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:06,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:06,657 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:06,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-24 00:38:06,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:06,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:06,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:38:06,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:06,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:06,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:06,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:38:06,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:38:06,682 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:06,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-24 00:38:06,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:06,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:06,693 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:06,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-24 00:38:06,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:06,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:06,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:06,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:06,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:06,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:38:06,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:38:06,721 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:06,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-24 00:38:06,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:06,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:06,733 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:06,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-24 00:38:06,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:06,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:06,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:38:06,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:06,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:06,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:06,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:38:06,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:38:06,756 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:06,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-24 00:38:06,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:06,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:06,770 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:06,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-24 00:38:06,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:06,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:06,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:38:06,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:06,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:06,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:06,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:38:06,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:38:06,796 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:06,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-24 00:38:06,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:06,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:06,810 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:06,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-24 00:38:06,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:06,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:06,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:06,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:06,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:06,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:38:06,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:38:06,838 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:06,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-24 00:38:06,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:06,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:06,852 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:06,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-24 00:38:06,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:06,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:06,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:38:06,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:06,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:06,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:06,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:38:06,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:38:06,878 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:06,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-24 00:38:06,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:06,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:06,895 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:06,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-24 00:38:06,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:06,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:06,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:38:06,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:06,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:06,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:06,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:38:06,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:38:06,923 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:06,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-24 00:38:06,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:06,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:06,933 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:06,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-24 00:38:06,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:06,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:06,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:06,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:06,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:06,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:38:06,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:38:06,962 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:06,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-24 00:38:06,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:06,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:06,976 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:06,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-24 00:38:06,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:06,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:06,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:38:06,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:06,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:06,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:06,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:38:06,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:38:07,001 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:07,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-24 00:38:07,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:07,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:07,012 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:07,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-24 00:38:07,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:07,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:07,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:38:07,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:07,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:07,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:07,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:38:07,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:38:07,033 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-24 00:38:07,039 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-24 00:38:07,043 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-24 00:38:07,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:07,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:07,048 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:07,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-24 00:38:07,052 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-24 00:38:07,052 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-24 00:38:07,052 INFO L474 LassoAnalysis]: Proved termination. [2024-11-24 00:38:07,053 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x1~0#1.base) ULTIMATE.start_main_~x1~0#1.offset)_1) = -2*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x1~0#1.base) ULTIMATE.start_main_~x1~0#1.offset)_1 + 21 Supporting invariants [] [2024-11-24 00:38:07,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-24 00:38:07,109 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2024-11-24 00:38:07,118 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-24 00:38:07,119 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-24 00:38:07,119 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x1~0!base,]]] [2024-11-24 00:38:07,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:07,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:38:07,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:38:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:07,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:38:07,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:38:07,541 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-24 00:38:07,546 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-24 00:38:07,548 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 36 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 00:38:07,628 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 36 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) Result 68 states and 71 transitions. Complement of second has 6 states. [2024-11-24 00:38:07,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-24 00:38:07,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 00:38:07,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-11-24 00:38:07,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 33 letters. [2024-11-24 00:38:07,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:38:07,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 35 letters. Loop has 33 letters. [2024-11-24 00:38:07,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:38:07,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 66 letters. [2024-11-24 00:38:07,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:38:07,647 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 71 transitions. [2024-11-24 00:38:07,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-24 00:38:07,649 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 67 states and 70 transitions. [2024-11-24 00:38:07,650 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2024-11-24 00:38:07,650 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2024-11-24 00:38:07,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 70 transitions. [2024-11-24 00:38:07,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-24 00:38:07,653 INFO L218 hiAutomatonCegarLoop]: Abstraction has 67 states and 70 transitions. [2024-11-24 00:38:07,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 70 transitions. [2024-11-24 00:38:07,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 41. [2024-11-24 00:38:07,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 40 states have internal predecessors, (44), 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 00:38:07,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2024-11-24 00:38:07,659 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 44 transitions. [2024-11-24 00:38:07,659 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 44 transitions. [2024-11-24 00:38:07,659 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-24 00:38:07,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 44 transitions. [2024-11-24 00:38:07,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-24 00:38:07,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:38:07,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:38:07,661 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-24 00:38:07,661 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-24 00:38:07,661 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" [2024-11-24 00:38:07,661 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" [2024-11-24 00:38:07,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:07,664 INFO L85 PathProgramCache]: Analyzing trace with hash 28694791, now seen corresponding path program 1 times [2024-11-24 00:38:07,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:07,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695967630] [2024-11-24 00:38:07,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:07,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:07,694 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:07,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:38:07,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:07,708 INFO L85 PathProgramCache]: Analyzing trace with hash 46772, now seen corresponding path program 1 times [2024-11-24 00:38:07,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:07,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510444285] [2024-11-24 00:38:07,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:07,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:07,718 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:07,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:38:07,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:07,727 INFO L85 PathProgramCache]: Analyzing trace with hash 148043758, now seen corresponding path program 1 times [2024-11-24 00:38:07,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:07,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115706508] [2024-11-24 00:38:07,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:07,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:07,750 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:07,766 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:38:08,230 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:38:08,231 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:38:08,231 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:38:08,231 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:38:08,231 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-24 00:38:08,231 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:08,231 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:38:08,231 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:38:08,231 INFO L132 ssoRankerPreferences]: Filename of dumped script: Urban-2013WST-Fig2-alloca-2.i_Iteration6_Lasso [2024-11-24 00:38:08,232 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:38:08,232 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:38:08,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:08,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:08,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:08,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:08,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-24 00:38:08,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:08,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:08,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:08,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:08,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:08,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:08,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:08,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:08,774 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:38:08,774 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-24 00:38:08,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:08,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:08,777 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:08,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-24 00:38:08,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:08,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:08,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:38:08,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:08,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:08,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:08,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:38:08,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:38:08,803 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:08,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-24 00:38:08,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:08,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:08,817 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:08,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-24 00:38:08,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:08,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:08,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:08,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:08,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:08,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:38:08,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:38:08,849 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:08,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-24 00:38:08,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:08,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:08,863 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:08,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-24 00:38:08,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:08,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:08,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:08,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:08,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:08,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:38:08,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:38:08,902 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-24 00:38:08,921 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-24 00:38:08,921 INFO L444 ModelExtractionUtils]: 0 out of 7 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-24 00:38:08,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:08,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:08,924 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:08,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-24 00:38:08,930 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-24 00:38:08,949 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-24 00:38:08,950 INFO L474 LassoAnalysis]: Proved termination. [2024-11-24 00:38:08,950 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_2) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_2 Supporting invariants [] [2024-11-24 00:38:08,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-24 00:38:08,981 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-11-24 00:38:08,983 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-24 00:38:08,983 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-24 00:38:08,984 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x2~0!base,]]] [2024-11-24 00:38:09,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:09,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:38:09,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:38:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:09,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:38:09,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:38:09,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:38:09,083 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-24 00:38:09,083 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 44 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 00:38:09,134 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 44 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) Result 111 states and 118 transitions. Complement of second has 9 states. [2024-11-24 00:38:09,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-24 00:38:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 00:38:09,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-24 00:38:09,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-24 00:38:09,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:38:09,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 8 letters. Loop has 3 letters. [2024-11-24 00:38:09,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:38:09,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 5 letters. Loop has 6 letters. [2024-11-24 00:38:09,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:38:09,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 118 transitions. [2024-11-24 00:38:09,140 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-24 00:38:09,141 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 79 states and 83 transitions. [2024-11-24 00:38:09,141 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-24 00:38:09,141 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-24 00:38:09,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 83 transitions. [2024-11-24 00:38:09,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-24 00:38:09,141 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 83 transitions. [2024-11-24 00:38:09,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 83 transitions. [2024-11-24 00:38:09,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 72. [2024-11-24 00:38:09,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.0416666666666667) internal successors, (75), 71 states have internal predecessors, (75), 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 00:38:09,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2024-11-24 00:38:09,146 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-11-24 00:38:09,146 INFO L425 stractBuchiCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-11-24 00:38:09,146 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-24 00:38:09,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 75 transitions. [2024-11-24 00:38:09,148 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-24 00:38:09,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:38:09,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:38:09,149 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 9, 9, 2, 2, 2, 1, 1, 1, 1] [2024-11-24 00:38:09,149 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-24 00:38:09,149 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" [2024-11-24 00:38:09,150 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" [2024-11-24 00:38:09,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:09,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1925815457, now seen corresponding path program 2 times [2024-11-24 00:38:09,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:09,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606127505] [2024-11-24 00:38:09,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:09,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:09,185 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:09,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:38:09,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:09,211 INFO L85 PathProgramCache]: Analyzing trace with hash 46772, now seen corresponding path program 2 times [2024-11-24 00:38:09,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:09,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749997249] [2024-11-24 00:38:09,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:09,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:09,217 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:09,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:38:09,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:09,222 INFO L85 PathProgramCache]: Analyzing trace with hash -204843500, now seen corresponding path program 3 times [2024-11-24 00:38:09,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:38:09,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916830509] [2024-11-24 00:38:09,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:09,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:09,255 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:38:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:38:09,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:38:20,678 WARN L286 SmtUtils]: Spent 11.33s on a formula simplification. DAG size of input: 189 DAG size of output: 165 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-24 00:38:20,888 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:38:20,888 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:38:20,888 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:38:20,888 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:38:20,888 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-24 00:38:20,888 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:20,889 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:38:20,889 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:38:20,889 INFO L132 ssoRankerPreferences]: Filename of dumped script: Urban-2013WST-Fig2-alloca-2.i_Iteration7_Lasso [2024-11-24 00:38:20,889 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:38:20,889 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:38:20,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:20,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:20,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:20,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:20,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:20,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:20,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:20,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:20,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:20,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:21,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:21,112 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:38:21,396 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:38:21,396 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-24 00:38:21,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:21,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:21,399 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:21,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-24 00:38:21,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:21,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:21,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:38:21,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:21,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:21,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:21,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:38:21,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:38:21,430 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:21,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-24 00:38:21,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:21,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:21,443 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:21,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-24 00:38:21,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:21,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:21,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:38:21,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:21,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:21,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:21,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:38:21,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:38:21,462 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:21,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-24 00:38:21,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:21,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:21,477 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:21,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-24 00:38:21,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:21,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:21,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:38:21,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:21,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:21,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:21,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:38:21,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:38:21,496 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:21,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-24 00:38:21,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:21,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:21,506 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:21,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-24 00:38:21,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:21,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:21,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:21,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:21,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:21,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:38:21,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:38:21,529 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:21,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-24 00:38:21,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:21,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:21,539 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:21,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-24 00:38:21,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:21,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:21,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:21,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:21,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:21,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:38:21,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:38:21,563 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:21,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-24 00:38:21,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:21,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:21,578 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:21,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-24 00:38:21,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:21,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:21,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:38:21,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:21,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:21,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:21,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:38:21,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:38:21,598 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:21,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-24 00:38:21,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:21,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:21,608 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:21,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-24 00:38:21,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:21,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:21,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:21,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:21,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:21,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:38:21,627 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:38:21,633 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:21,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-24 00:38:21,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:21,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:21,648 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:21,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-24 00:38:21,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:21,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:21,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:38:21,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:21,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:21,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:21,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:38:21,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:38:21,668 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:21,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-24 00:38:21,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:21,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:21,677 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:21,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-24 00:38:21,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:21,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:21,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:38:21,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:21,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:21,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:21,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:38:21,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:38:21,696 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:21,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-24 00:38:21,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:21,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:21,706 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:21,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-24 00:38:21,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:21,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:21,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:21,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:21,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:21,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:38:21,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:38:21,739 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:21,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-24 00:38:21,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:21,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:21,754 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:21,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-24 00:38:21,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:21,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:21,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:21,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:21,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:21,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:38:21,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:38:21,784 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:38:21,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-24 00:38:21,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:21,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:21,796 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:21,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-24 00:38:21,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:38:21,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:38:21,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:38:21,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:38:21,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:38:21,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:38:21,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:38:21,822 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-24 00:38:21,835 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-11-24 00:38:21,835 INFO L444 ModelExtractionUtils]: 0 out of 7 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-24 00:38:21,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:38:21,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:38:21,841 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:38:21,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-24 00:38:21,843 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-24 00:38:21,861 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-24 00:38:21,861 INFO L474 LassoAnalysis]: Proved termination. [2024-11-24 00:38:21,861 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_3) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_3 Supporting invariants [] [2024-11-24 00:38:21,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-24 00:38:21,884 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-11-24 00:38:21,886 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-24 00:38:21,886 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-24 00:38:21,886 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x2~0!base,]]] [2024-11-24 00:38:21,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:21,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:38:21,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:38:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:22,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:38:22,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:38:22,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:38:22,116 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-24 00:38:22,116 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 00:38:22,174 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) Result 103 states and 108 transitions. Complement of second has 9 states. [2024-11-24 00:38:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-24 00:38:22,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 00:38:22,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-24 00:38:22,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 38 letters. Loop has 3 letters. [2024-11-24 00:38:22,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:38:22,179 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-24 00:38:22,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:22,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:38:22,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:38:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:22,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:38:22,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:38:22,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:38:22,374 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-24 00:38:22,375 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 00:38:22,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-24 00:38:22,457 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) Result 103 states and 108 transitions. Complement of second has 9 states. [2024-11-24 00:38:22,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-24 00:38:22,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 00:38:22,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-24 00:38:22,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 38 letters. Loop has 3 letters. [2024-11-24 00:38:22,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:38:22,459 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-24 00:38:22,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-24 00:38:22,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:22,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:38:22,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:38:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:22,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:38:22,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:38:22,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:38:22,674 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-24 00:38:22,674 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 00:38:22,724 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) Result 119 states and 126 transitions. Complement of second has 8 states. [2024-11-24 00:38:22,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-24 00:38:22,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 00:38:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2024-11-24 00:38:22,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 38 letters. Loop has 3 letters. [2024-11-24 00:38:22,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:38:22,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 41 letters. Loop has 3 letters. [2024-11-24 00:38:22,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:38:22,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 38 letters. Loop has 6 letters. [2024-11-24 00:38:22,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:38:22,729 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 126 transitions. [2024-11-24 00:38:22,732 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-24 00:38:22,732 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 0 states and 0 transitions. [2024-11-24 00:38:22,732 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-24 00:38:22,733 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-24 00:38:22,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-24 00:38:22,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:38:22,733 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:38:22,733 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:38:22,733 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:38:22,733 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-24 00:38:22,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:38:22,734 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-24 00:38:22,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-24 00:38:22,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 12:38:22 BoogieIcfgContainer [2024-11-24 00:38:22,743 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 00:38:22,744 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:38:22,744 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:38:22,744 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:38:22,745 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:37:55" (3/4) ... [2024-11-24 00:38:22,747 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:38:22,748 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:38:22,749 INFO L158 Benchmark]: Toolchain (without parser) took 28807.77ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.4MB in the beginning and 297.1MB in the end (delta: -203.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-24 00:38:22,749 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:38:22,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.85ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 77.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:38:22,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.45ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 75.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:38:22,750 INFO L158 Benchmark]: Boogie Preprocessor took 50.44ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 74.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:38:22,750 INFO L158 Benchmark]: RCFGBuilder took 396.03ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 64.0MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:38:22,751 INFO L158 Benchmark]: BuchiAutomizer took 27691.68ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 64.0MB in the beginning and 297.2MB in the end (delta: -233.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-11-24 00:38:22,751 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 352.3MB. Free memory was 297.2MB in the beginning and 297.1MB in the end (delta: 69.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:38:22,753 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.85ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 77.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.45ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 75.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.44ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 74.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 396.03ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 64.0MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 27691.68ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 64.0MB in the beginning and 297.2MB in the end (delta: -233.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 352.3MB. Free memory was 297.2MB in the beginning and 297.1MB in the end (delta: 69.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x1~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x2~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x2~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function null and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 19 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 27.6s and 8 iterations. TraceHistogramMax:10. Analysis of lassos took 25.3s. Construction of modules took 0.3s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 5 NontrivialMinimizations. 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 126/126 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 174 IncrementalHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 79 mSDtfsCounter, 174 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI4 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital149 mio100 ax112 hnf100 lsp87 ukn62 mio100 lsp26 div100 bol100 ite100 ukn100 eq163 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-24 00:38:22,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-24 00:38:22,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 00:38:23,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 00:38:23,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:38:23,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742bd835-1e72-4f18-b393-8ef18dcdd3ef/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 Result: TRUE