./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB --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 b91dcc12f43fdd03af0529f07bf7885945925554291ddde3b9ca40d8f32b93c1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:19:18,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:19:18,136 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-27 23:19:18,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:19:18,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:19:18,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:19:18,179 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:19:18,180 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:19:18,180 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:19:18,181 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:19:18,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:19:18,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:19:18,182 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:19:18,183 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 23:19:18,183 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 23:19:18,183 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 23:19:18,183 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 23:19:18,183 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 23:19:18,183 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 23:19:18,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:19:18,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 23:19:18,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:19:18,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:19:18,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 23:19:18,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 23:19:18,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 23:19:18,184 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:19:18,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:19:18,185 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 23:19:18,185 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:19:18,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:19:18,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:19:18,186 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:19:18,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:19:18,187 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 23:19:18,187 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 23:19:18,187 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_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB 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 -> b91dcc12f43fdd03af0529f07bf7885945925554291ddde3b9ca40d8f32b93c1 [2024-11-27 23:19:18,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:19:18,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:19:18,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:19:18,548 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:19:18,548 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:19:18,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex2.i [2024-11-27 23:19:21,507 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/data/40eeee82d/97da7c2305284b4cb6b46086d6c8e991/FLAG3d01a734e [2024-11-27 23:19:21,795 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:19:21,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex2.i [2024-11-27 23:19:21,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/data/40eeee82d/97da7c2305284b4cb6b46086d6c8e991/FLAG3d01a734e [2024-11-27 23:19:21,833 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/data/40eeee82d/97da7c2305284b4cb6b46086d6c8e991 [2024-11-27 23:19:21,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:19:21,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:19:21,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:19:21,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:19:21,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:19:21,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:19:21" (1/1) ... [2024-11-27 23:19:21,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@455c6d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:21, skipping insertion in model container [2024-11-27 23:19:21,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:19:21" (1/1) ... [2024-11-27 23:19:21,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:19:22,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:19:22,059 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:19:22,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:19:22,090 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:19:22,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:22 WrapperNode [2024-11-27 23:19:22,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:19:22,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:19:22,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:19:22,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:19:22,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:22" (1/1) ... [2024-11-27 23:19:22,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:22" (1/1) ... [2024-11-27 23:19:22,124 INFO L138 Inliner]: procedures = 11, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-11-27 23:19:22,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:19:22,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:19:22,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:19:22,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:19:22,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:22" (1/1) ... [2024-11-27 23:19:22,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:22" (1/1) ... [2024-11-27 23:19:22,139 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:22" (1/1) ... [2024-11-27 23:19:22,158 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [5, 5]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [2, 2]. [2024-11-27 23:19:22,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:22" (1/1) ... [2024-11-27 23:19:22,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:22" (1/1) ... [2024-11-27 23:19:22,165 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:22" (1/1) ... [2024-11-27 23:19:22,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:22" (1/1) ... [2024-11-27 23:19:22,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:22" (1/1) ... [2024-11-27 23:19:22,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:22" (1/1) ... [2024-11-27 23:19:22,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:22" (1/1) ... [2024-11-27 23:19:22,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:19:22,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:19:22,184 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:19:22,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:19:22,185 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:22" (1/1) ... [2024-11-27 23:19:22,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:22,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:22,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:22,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 23:19:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:19:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 23:19:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2024-11-27 23:19:22,254 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2024-11-27 23:19:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 23:19:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:19:22,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:19:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:19:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:19:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 23:19:22,332 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:19:22,334 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:19:22,464 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-27 23:19:22,464 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:19:22,478 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:19:22,479 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 23:19:22,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:19:22 BoogieIcfgContainer [2024-11-27 23:19:22,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:19:22,481 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 23:19:22,481 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 23:19:22,488 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 23:19:22,489 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:19:22,489 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 11:19:21" (1/3) ... [2024-11-27 23:19:22,491 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c1466c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 11:19:22, skipping insertion in model container [2024-11-27 23:19:22,491 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:19:22,491 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:22" (2/3) ... [2024-11-27 23:19:22,492 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c1466c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 11:19:22, skipping insertion in model container [2024-11-27 23:19:22,493 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:19:22,493 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:19:22" (3/3) ... [2024-11-27 23:19:22,495 INFO L363 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex2.i [2024-11-27 23:19:22,568 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 23:19:22,569 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 23:19:22,570 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 23:19:22,570 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 23:19:22,570 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 23:19:22,570 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 23:19:22,571 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 23:19:22,571 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 23:19:22,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:19:22,597 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-27 23:19:22,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:19:22,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:19:22,603 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-27 23:19:22,603 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:22,604 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 23:19:22,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:19:22,605 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-27 23:19:22,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:19:22,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:19:22,606 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-27 23:19:22,606 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:22,613 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~mem9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1;" [2024-11-27 23:19:22,613 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "assume main_#t~mem9#1 > 1;havoc main_#t~mem9#1;" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#1(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0;" "assume true;" >"#32#return;" "call write~int#0(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~mem13#1;havoc main_#t~ret12#1;" [2024-11-27 23:19:22,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:22,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2024-11-27 23:19:22,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:22,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167736972] [2024-11-27 23:19:22,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:22,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:22,735 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:19:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:22,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:19:22,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:22,777 INFO L85 PathProgramCache]: Analyzing trace with hash -2117725971, now seen corresponding path program 1 times [2024-11-27 23:19:22,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:22,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729638541] [2024-11-27 23:19:22,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:22,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:23,382 INFO L370 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-27 23:19:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:23,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:19:23,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729638541] [2024-11-27 23:19:23,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729638541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:19:23,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862297218] [2024-11-27 23:19:23,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:23,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:19:23,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:23,591 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:19:23,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:19:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:23,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 23:19:23,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:19:23,814 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 [2024-11-27 23:19:23,825 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 19 treesize of output 11 [2024-11-27 23:19:24,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:19:24,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862297218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:19:24,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:19:24,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-27 23:19:24,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469476932] [2024-11-27 23:19:24,346 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:19:24,350 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 23:19:24,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:19:24,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:19:24,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:19:24,385 INFO L87 Difference]: Start difference. First operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 13 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:19:24,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:19:24,654 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2024-11-27 23:19:24,656 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2024-11-27 23:19:24,659 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-27 23:19:24,670 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 15 states and 17 transitions. [2024-11-27 23:19:24,672 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-27 23:19:24,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-27 23:19:24,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2024-11-27 23:19:24,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:19:24,675 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-27 23:19:24,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2024-11-27 23:19:24,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-27 23:19:24,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 23:19:24,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-27 23:19:24,706 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-27 23:19:24,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:19:24,711 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-27 23:19:24,711 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 23:19:24,711 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2024-11-27 23:19:24,712 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-27 23:19:24,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:19:24,712 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:19:24,712 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-27 23:19:24,712 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:24,713 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~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~mem9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1;" [2024-11-27 23:19:24,713 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "assume main_#t~mem9#1 > 1;havoc main_#t~mem9#1;" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5;" "call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#1(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0;" "assume true;" >"#30#return;" "#res := #t~ret6;havoc #t~ret6;" "assume true;" >"#32#return;" "call write~int#0(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~mem13#1;havoc main_#t~ret12#1;" [2024-11-27 23:19:24,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:24,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2024-11-27 23:19:24,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:24,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656516683] [2024-11-27 23:19:24,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:24,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:24,734 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:19:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:24,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:19:24,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:24,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1815924899, now seen corresponding path program 1 times [2024-11-27 23:19:24,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:24,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471971566] [2024-11-27 23:19:24,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:24,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:25,241 INFO L370 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-27 23:19:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:25,695 INFO L370 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-27 23:19:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:25,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:19:25,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471971566] [2024-11-27 23:19:25,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471971566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:19:25,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013700294] [2024-11-27 23:19:25,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:25,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:19:25,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:25,837 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:19:25,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:19:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:25,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-27 23:19:25,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:19:26,005 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 [2024-11-27 23:19:26,016 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 19 treesize of output 11 [2024-11-27 23:19:26,419 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:19:27,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013700294] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:19:27,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:19:27,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 11] total 26 [2024-11-27 23:19:27,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536229127] [2024-11-27 23:19:27,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:19:27,245 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 23:19:27,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:19:27,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-27 23:19:27,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=598, Unknown=0, NotChecked=0, Total=702 [2024-11-27 23:19:27,250 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 27 states, 21 states have (on average 1.380952380952381) internal successors, (29), 22 states have internal predecessors, (29), 6 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 23:19:27,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:19:27,607 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2024-11-27 23:19:27,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2024-11-27 23:19:27,608 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-27 23:19:27,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 20 transitions. [2024-11-27 23:19:27,609 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-11-27 23:19:27,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-11-27 23:19:27,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 20 transitions. [2024-11-27 23:19:27,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:19:27,610 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-11-27 23:19:27,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 20 transitions. [2024-11-27 23:19:27,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-27 23:19:27,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 23:19:27,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-11-27 23:19:27,616 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-11-27 23:19:27,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:19:27,621 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-11-27 23:19:27,621 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-27 23:19:27,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2024-11-27 23:19:27,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-27 23:19:27,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:19:27,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:19:27,624 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-27 23:19:27,625 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:27,626 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~mem9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1;" [2024-11-27 23:19:27,626 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "assume main_#t~mem9#1 > 1;havoc main_#t~mem9#1;" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5;" "call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5;" "call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#1(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0;" "assume true;" >"#30#return;" "#res := #t~ret6;havoc #t~ret6;" "assume true;" >"#30#return;" "#res := #t~ret6;havoc #t~ret6;" "assume true;" >"#32#return;" "call write~int#0(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~mem13#1;havoc main_#t~ret12#1;" [2024-11-27 23:19:27,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:27,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 3 times [2024-11-27 23:19:27,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:27,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403701462] [2024-11-27 23:19:27,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:27,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:27,640 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:19:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:27,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:19:27,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:27,651 INFO L85 PathProgramCache]: Analyzing trace with hash -189486803, now seen corresponding path program 2 times [2024-11-27 23:19:27,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:27,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79213454] [2024-11-27 23:19:27,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:27,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:28,129 INFO L370 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-27 23:19:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:28,601 INFO L370 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-27 23:19:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:28,847 INFO L370 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-27 23:19:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:28,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:19:28,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79213454] [2024-11-27 23:19:28,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79213454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:19:28,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510650983] [2024-11-27 23:19:28,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:28,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:19:28,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:28,954 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:19:28,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:19:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:29,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-27 23:19:29,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:19:29,108 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 [2024-11-27 23:19:29,112 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 19 treesize of output 11 [2024-11-27 23:19:29,506 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:19:30,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510650983] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:19:30,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:19:30,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 15] total 27 [2024-11-27 23:19:30,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582990645] [2024-11-27 23:19:30,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:19:30,525 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 23:19:30,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:19:30,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-27 23:19:30,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=614, Unknown=0, NotChecked=0, Total=756 [2024-11-27 23:19:30,526 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. cyclomatic complexity: 4 Second operand has 28 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 22 states have internal predecessors, (31), 5 states have call successors, (7), 5 states have call predecessors, (7), 6 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-27 23:19:30,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:19:30,851 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2024-11-27 23:19:30,851 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2024-11-27 23:19:30,852 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-27 23:19:30,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 21 states and 23 transitions. [2024-11-27 23:19:30,853 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2024-11-27 23:19:30,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-11-27 23:19:30,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 23 transitions. [2024-11-27 23:19:30,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:19:30,854 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-11-27 23:19:30,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 23 transitions. [2024-11-27 23:19:30,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-27 23:19:30,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:19:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2024-11-27 23:19:30,857 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-11-27 23:19:30,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:19:30,859 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-11-27 23:19:30,859 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-27 23:19:30,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 23 transitions. [2024-11-27 23:19:30,860 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-27 23:19:30,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:19:30,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:19:30,861 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-27 23:19:30,862 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:30,862 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~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~mem9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1;" [2024-11-27 23:19:30,862 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "assume main_#t~mem9#1 > 1;havoc main_#t~mem9#1;" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5;" "call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5;" "call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5;" "call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#1(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0;" "assume true;" >"#30#return;" "#res := #t~ret6;havoc #t~ret6;" "assume true;" >"#30#return;" "#res := #t~ret6;havoc #t~ret6;" "assume true;" >"#30#return;" "#res := #t~ret6;havoc #t~ret6;" "assume true;" >"#32#return;" "call write~int#0(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~mem13#1;havoc main_#t~ret12#1;" [2024-11-27 23:19:30,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:30,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 4 times [2024-11-27 23:19:30,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:30,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491748820] [2024-11-27 23:19:30,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:30,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:30,870 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:19:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:30,874 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:19:30,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:30,875 INFO L85 PathProgramCache]: Analyzing trace with hash -121644131, now seen corresponding path program 3 times [2024-11-27 23:19:30,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:30,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459431481] [2024-11-27 23:19:30,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:30,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:30,907 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:19:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:30,941 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:19:30,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:30,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1153110629, now seen corresponding path program 1 times [2024-11-27 23:19:30,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:30,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680068228] [2024-11-27 23:19:30,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:30,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:30,996 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:19:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:31,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:19:35,540 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:19:35,541 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:19:35,541 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:19:35,541 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:19:35,542 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:19:35,542 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:35,542 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:19:35,542 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:19:35,542 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex2.i_Iteration4_Lasso [2024-11-27 23:19:35,543 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:19:35,543 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:19:35,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:35,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:35,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:35,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:35,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:35,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:35,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:35,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:35,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:35,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:35,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:35,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:35,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:36,735 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:19:36,744 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:19:36,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:36,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:36,751 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:36,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-27 23:19:36,755 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 [2024-11-27 23:19:36,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:36,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:36,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:36,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:36,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:36,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:36,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:36,786 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:36,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-27 23:19:36,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:36,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:36,801 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:36,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-27 23:19:36,807 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 [2024-11-27 23:19:36,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:36,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:36,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:36,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:36,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:36,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:36,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:36,838 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:36,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:36,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:36,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:36,852 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:36,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-27 23:19:36,858 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 [2024-11-27 23:19:36,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:36,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:36,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:36,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:36,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:36,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:36,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:36,880 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:36,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-27 23:19:36,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:36,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:36,894 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:36,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-27 23:19:36,899 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 [2024-11-27 23:19:36,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:36,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:36,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:36,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:36,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:36,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:36,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:36,921 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:36,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:36,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:36,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:36,934 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:36,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-27 23:19:36,939 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 [2024-11-27 23:19:36,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:36,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:36,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:36,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:36,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:36,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:36,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:36,961 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:36,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:36,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:36,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:36,977 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:36,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-27 23:19:36,983 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 [2024-11-27 23:19:37,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:37,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:37,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:37,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:37,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:37,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:37,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:37,007 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:37,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:37,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:37,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:37,021 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:37,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-27 23:19:37,026 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 [2024-11-27 23:19:37,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:37,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:37,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:37,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:37,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:37,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:37,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:37,051 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:37,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-27 23:19:37,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:37,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:37,065 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:37,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-27 23:19:37,070 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 [2024-11-27 23:19:37,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:37,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:37,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:37,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:37,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:37,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:37,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:37,093 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:37,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:37,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:37,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:37,108 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:37,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-27 23:19:37,113 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 [2024-11-27 23:19:37,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:37,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:37,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:37,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:37,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:37,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:37,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:37,134 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:37,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:37,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:37,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:37,148 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:37,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-27 23:19:37,154 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 [2024-11-27 23:19:37,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:37,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:37,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:37,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:37,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:37,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:37,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:37,177 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:37,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:37,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:37,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:37,191 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:37,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-27 23:19:37,196 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 [2024-11-27 23:19:37,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:37,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:37,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:37,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:37,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:37,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:37,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:37,217 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:37,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:37,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:37,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:37,231 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:37,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-27 23:19:37,238 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 [2024-11-27 23:19:37,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:37,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:37,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:37,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:37,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:19:37,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:19:37,268 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:37,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:37,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:37,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:37,280 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:37,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-27 23:19:37,284 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 [2024-11-27 23:19:37,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:37,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:37,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:37,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:37,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:19:37,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:19:37,315 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:37,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-27 23:19:37,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:37,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:37,329 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:37,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-27 23:19:37,334 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 [2024-11-27 23:19:37,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:37,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:37,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:37,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:37,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:37,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:37,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:37,355 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:37,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:37,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:37,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:37,369 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:37,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-27 23:19:37,374 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 [2024-11-27 23:19:37,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:37,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:37,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:37,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:37,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:19:37,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:19:37,401 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:37,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:37,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:37,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:37,415 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:37,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-27 23:19:37,420 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 [2024-11-27 23:19:37,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:37,438 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-27 23:19:37,438 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2024-11-27 23:19:37,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:37,993 INFO L401 nArgumentSynthesizer]: We have 608 Motzkin's Theorem applications. [2024-11-27 23:19:37,993 INFO L402 nArgumentSynthesizer]: A total of 32 supporting invariants were added. [2024-11-27 23:19:39,279 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:39,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-27 23:19:39,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:39,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:39,297 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:39,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-27 23:19:39,300 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 [2024-11-27 23:19:39,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:39,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:39,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:39,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:39,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:19:39,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:19:39,322 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:39,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-27 23:19:39,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:39,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:39,334 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:39,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-27 23:19:39,337 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 [2024-11-27 23:19:39,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:39,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:39,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:39,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:39,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:19:39,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:19:39,363 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:19:39,397 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-11-27 23:19:39,401 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-11-27 23:19:39,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:39,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:39,408 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:39,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-27 23:19:39,411 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:19:39,428 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:19:39,428 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:19:39,428 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~ip~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~ip~0#1.base) 0)_1 Supporting invariants [] [2024-11-27 23:19:39,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:39,446 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-11-27 23:19:39,452 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:19:39,453 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:19:39,453 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~ip~0!base,]]] [2024-11-27 23:19:39,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:39,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:19:39,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:19:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:39,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-27 23:19:39,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:19:39,862 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 17 treesize of output 9 [2024-11-27 23:19:40,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-27 23:19:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-27 23:19:40,156 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2024-11-27 23:19:40,157 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 4 Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:19:40,408 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 4. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 68 states and 75 transitions. Complement of second has 26 states. [2024-11-27 23:19:40,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states [2024-11-27 23:19:40,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:19:40,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2024-11-27 23:19:40,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 15 transitions. Stem has 2 letters. Loop has 27 letters. [2024-11-27 23:19:40,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:19:40,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 15 transitions. Stem has 29 letters. Loop has 27 letters. [2024-11-27 23:19:40,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:19:40,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 15 transitions. Stem has 2 letters. Loop has 54 letters. [2024-11-27 23:19:40,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:19:40,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 75 transitions. [2024-11-27 23:19:40,422 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:19:40,424 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 37 states and 42 transitions. [2024-11-27 23:19:40,424 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:19:40,424 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-27 23:19:40,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 42 transitions. [2024-11-27 23:19:40,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:19:40,425 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 42 transitions. [2024-11-27 23:19:40,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 42 transitions. [2024-11-27 23:19:40,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 31. [2024-11-27 23:19:40,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-27 23:19:40,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2024-11-27 23:19:40,429 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 35 transitions. [2024-11-27 23:19:40,429 INFO L425 stractBuchiCegarLoop]: Abstraction has 31 states and 35 transitions. [2024-11-27 23:19:40,429 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-27 23:19:40,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 35 transitions. [2024-11-27 23:19:40,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:19:40,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:19:40,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:19:40,431 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-27 23:19:40,431 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:19:40,431 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~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~mem9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1;" "call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "assume main_#t~mem9#1 > 1;havoc main_#t~mem9#1;" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);"< [2024-11-27 23:19:40,431 INFO L749 eck$LassoCheckResult]: Loop: "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5;" "call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);"< [2024-11-27 23:19:40,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:40,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1126206192, now seen corresponding path program 1 times [2024-11-27 23:19:40,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:40,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071298135] [2024-11-27 23:19:40,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:40,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:40,445 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:19:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:40,454 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:19:40,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:40,454 INFO L85 PathProgramCache]: Analyzing trace with hash 29944, now seen corresponding path program 1 times [2024-11-27 23:19:40,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:40,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671296282] [2024-11-27 23:19:40,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:40,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:40,463 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:19:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:40,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:19:40,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:40,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1475850327, now seen corresponding path program 1 times [2024-11-27 23:19:40,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:40,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551377228] [2024-11-27 23:19:40,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:40,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:40,489 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:19:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:40,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:19:41,687 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:19:41,687 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:19:41,687 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:19:41,687 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:19:41,687 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:19:41,688 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:41,688 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:19:41,688 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:19:41,688 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex2.i_Iteration5_Lasso [2024-11-27 23:19:41,688 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:19:41,688 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:19:41,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:41,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:41,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:41,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:41,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:41,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:41,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:41,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:41,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:41,725 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:41,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:41,729 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:41,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,172 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,192 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:19:42,722 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:19:42,722 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:19:42,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:42,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:42,725 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:42,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-27 23:19:42,730 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 [2024-11-27 23:19:42,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:42,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:42,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:42,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:42,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:42,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:42,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:42,746 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:42,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-27 23:19:42,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:42,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:42,757 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:42,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-27 23:19:42,760 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 [2024-11-27 23:19:42,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:42,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:42,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:42,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:42,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:42,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:42,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:42,775 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:42,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-27 23:19:42,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:42,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:42,785 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:42,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-27 23:19:42,788 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 [2024-11-27 23:19:42,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:42,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:42,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:42,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:42,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:42,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:42,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:42,804 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:42,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:42,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:42,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:42,813 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:42,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-27 23:19:42,816 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 [2024-11-27 23:19:42,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:42,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:42,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:42,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:42,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:42,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:42,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:42,832 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:42,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-27 23:19:42,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:42,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:42,845 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:42,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-27 23:19:42,848 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 [2024-11-27 23:19:42,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:42,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:42,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:42,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:42,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:42,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:42,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:42,866 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:42,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-27 23:19:42,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:42,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:42,879 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:42,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-27 23:19:42,882 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 [2024-11-27 23:19:42,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:42,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:42,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:42,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:42,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:42,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:42,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:42,899 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:42,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-27 23:19:42,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:42,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:42,910 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:42,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-27 23:19:42,912 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 [2024-11-27 23:19:42,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:42,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:42,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:42,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:42,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:42,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:42,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:42,929 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:42,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-27 23:19:42,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:42,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:42,939 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:42,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-27 23:19:42,942 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 [2024-11-27 23:19:42,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:42,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:42,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:42,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:42,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:42,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:42,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:42,962 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:42,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:42,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:42,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:42,972 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:42,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-27 23:19:42,977 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 [2024-11-27 23:19:42,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:42,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:42,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:42,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:42,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:42,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:42,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:42,994 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:43,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:43,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:43,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:43,003 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:43,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-27 23:19:43,006 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 [2024-11-27 23:19:43,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:43,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:43,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:43,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:43,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:43,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:43,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:43,021 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:43,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-27 23:19:43,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:43,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:43,031 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:43,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-27 23:19:43,034 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 [2024-11-27 23:19:43,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:43,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:43,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:43,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:43,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:43,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:43,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:43,050 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:43,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:43,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:43,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:43,060 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:43,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-27 23:19:43,063 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 [2024-11-27 23:19:43,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:43,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:19:43,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:43,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:43,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:43,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:19:43,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:19:43,080 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:43,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-27 23:19:43,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:43,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:43,092 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:43,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-27 23:19:43,095 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 [2024-11-27 23:19:43,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:43,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:43,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:43,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:43,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:19:43,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:19:43,116 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:43,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-27 23:19:43,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:43,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:43,125 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:43,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-27 23:19:43,128 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 [2024-11-27 23:19:43,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:43,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:43,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:43,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:43,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:19:43,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:19:43,149 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:43,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-27 23:19:43,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:43,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:43,158 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:43,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-27 23:19:43,161 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 [2024-11-27 23:19:43,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:43,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:43,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:43,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:43,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:19:43,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:19:43,184 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:43,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-27 23:19:43,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:43,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:43,193 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:43,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-27 23:19:43,196 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 [2024-11-27 23:19:43,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:43,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:43,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:43,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:43,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:19:43,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:19:43,218 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:19:43,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:43,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:43,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:43,230 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:43,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-27 23:19:43,234 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 [2024-11-27 23:19:43,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:19:43,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:19:43,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:19:43,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:19:43,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:19:43,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:19:43,272 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:19:43,295 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-27 23:19:43,295 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-11-27 23:19:43,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:19:43,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:43,297 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:43,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-27 23:19:43,300 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:19:43,314 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:19:43,315 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:19:43,315 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 rec_#in~p.base) rec_#in~p.offset)_1) = 2*v_rep(select (select #memory_int#1 rec_#in~p.base) rec_#in~p.offset)_1 + 1 Supporting invariants [] [2024-11-27 23:19:43,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-27 23:19:43,343 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-11-27 23:19:43,348 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-27 23:19:43,348 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-27 23:19:43,348 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~p!base,]]] [2024-11-27 23:19:43,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:43,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:19:43,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:19:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:43,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 23:19:43,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:19:43,473 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 20 [2024-11-27 23:19:43,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:19:43,492 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 [2024-11-27 23:19:43,492 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 35 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:19:43,584 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 35 transitions. cyclomatic complexity: 7. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 61 states and 70 transitions. Complement of second has 14 states. [2024-11-27 23:19:43,585 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 [2024-11-27 23:19:43,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:19:43,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2024-11-27 23:19:43,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-27 23:19:43,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:19:43,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 9 letters. Loop has 3 letters. [2024-11-27 23:19:43,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:19:43,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 6 letters. [2024-11-27 23:19:43,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:19:43,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 70 transitions. [2024-11-27 23:19:43,590 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:19:43,591 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 43 states and 51 transitions. [2024-11-27 23:19:43,592 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-27 23:19:43,592 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-27 23:19:43,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 51 transitions. [2024-11-27 23:19:43,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:19:43,592 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 51 transitions. [2024-11-27 23:19:43,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 51 transitions. [2024-11-27 23:19:43,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-27 23:19:43,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 30 states have (on average 1.1) internal successors, (33), 33 states have internal predecessors, (33), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (10), 4 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-27 23:19:43,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2024-11-27 23:19:43,598 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 51 transitions. [2024-11-27 23:19:43,598 INFO L425 stractBuchiCegarLoop]: Abstraction has 43 states and 51 transitions. [2024-11-27 23:19:43,598 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-27 23:19:43,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 51 transitions. [2024-11-27 23:19:43,599 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:19:43,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:19:43,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:19:43,600 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-27 23:19:43,601 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:19:43,601 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~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~mem9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1;" "call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "assume main_#t~mem9#1 > 1;havoc main_#t~mem9#1;" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5;" "call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5;" "call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5;" "call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#1(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0;" "assume true;" >"#30#return;" "#res := #t~ret6;havoc #t~ret6;" "assume true;" >"#30#return;" "#res := #t~ret6;havoc #t~ret6;" "assume true;" >"#30#return;" "#res := #t~ret6;havoc #t~ret6;" "assume true;" >"#32#return;" "call write~int#0(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~mem13#1;havoc main_#t~ret12#1;" "call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "assume main_#t~mem9#1 > 1;havoc main_#t~mem9#1;" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);"< [2024-11-27 23:19:43,601 INFO L749 eck$LassoCheckResult]: Loop: "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5;" "call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);"< [2024-11-27 23:19:43,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:43,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1919596600, now seen corresponding path program 2 times [2024-11-27 23:19:43,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:43,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524174314] [2024-11-27 23:19:43,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:43,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:43,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:44,565 INFO L370 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-27 23:19:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:45,333 INFO L370 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-27 23:19:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:45,722 INFO L370 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-27 23:19:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:45,944 INFO L370 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-27 23:19:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:46,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:19:46,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524174314] [2024-11-27 23:19:46,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524174314] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:19:46,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843891668] [2024-11-27 23:19:46,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:46,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:19:46,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:46,049 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:19:46,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10071df-e4e3-4aa7-861c-9813eea4dfd3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-27 23:19:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:46,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-27 23:19:46,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:19:46,239 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 [2024-11-27 23:19:46,285 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 11 treesize of output 7 [2024-11-27 23:19:47,270 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 23:19:47,274 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:19:47,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 19 [2024-11-27 23:19:47,337 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 [2024-11-27 23:19:47,345 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 [2024-11-27 23:19:47,349 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:19:48,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843891668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:19:48,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:19:48,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 32 [2024-11-27 23:19:48,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620001152] [2024-11-27 23:19:48,075 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:19:48,075 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:19:48,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:48,076 INFO L85 PathProgramCache]: Analyzing trace with hash 29944, now seen corresponding path program 2 times [2024-11-27 23:19:48,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:48,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827844968] [2024-11-27 23:19:48,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:48,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:48,085 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:19:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:48,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:19:48,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:19:48,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-27 23:19:48,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=953, Unknown=0, NotChecked=0, Total=1056 [2024-11-27 23:19:48,624 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. cyclomatic complexity: 12 Second operand has 32 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 22 states have internal predecessors, (36), 6 states have call successors, (6), 3 states have call predecessors, (6), 8 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-27 23:19:49,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:19:49,415 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2024-11-27 23:19:49,416 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 70 transitions. [2024-11-27 23:19:49,418 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:19:49,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 49 states and 61 transitions. [2024-11-27 23:19:49,421 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-27 23:19:49,421 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-27 23:19:49,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 61 transitions. [2024-11-27 23:19:49,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:19:49,421 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 61 transitions. [2024-11-27 23:19:49,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 61 transitions. [2024-11-27 23:19:49,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2024-11-27 23:19:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.09375) internal successors, (35), 35 states have internal predecessors, (35), 8 states have call successors, (8), 5 states have call predecessors, (8), 6 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:19:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2024-11-27 23:19:49,432 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 55 transitions. [2024-11-27 23:19:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 23:19:49,433 INFO L425 stractBuchiCegarLoop]: Abstraction has 46 states and 55 transitions. [2024-11-27 23:19:49,433 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-27 23:19:49,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 55 transitions. [2024-11-27 23:19:49,434 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:19:49,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:19:49,434 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:19:49,436 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-27 23:19:49,436 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:19:49,436 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~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~mem9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1;" "call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "assume main_#t~mem9#1 > 1;havoc main_#t~mem9#1;" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5;" "call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5;" "call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5;" "call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5;" "call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);"< "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#1(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0;" "assume true;" >"#30#return;" "#res := #t~ret6;havoc #t~ret6;" "assume true;" >"#30#return;" "#res := #t~ret6;havoc #t~ret6;" "assume true;" >"#30#return;" "#res := #t~ret6;havoc #t~ret6;" "assume true;" >"#30#return;" "#res := #t~ret6;havoc #t~ret6;" "assume true;" >"#32#return;" "call write~int#0(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_~op~0#1.base, main_~op~0#1.offset;havoc main_#t~mem13#1;havoc main_#t~ret12#1;" "call main_#t~mem9#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "assume main_#t~mem9#1 > 1;havoc main_#t~mem9#1;" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int#1(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~ip~0#1.base, main_~ip~0#1.offset, 4);" "call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);"< [2024-11-27 23:19:49,437 INFO L749 eck$LassoCheckResult]: Loop: "~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int#1(~p.base, ~p.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int#1(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5;" "call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);"< [2024-11-27 23:19:49,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:49,438 INFO L85 PathProgramCache]: Analyzing trace with hash 872591128, now seen corresponding path program 3 times [2024-11-27 23:19:49,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:49,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70746685] [2024-11-27 23:19:49,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:49,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:49,492 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:19:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:49,530 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:19:49,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:49,531 INFO L85 PathProgramCache]: Analyzing trace with hash 29944, now seen corresponding path program 3 times [2024-11-27 23:19:49,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:49,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062919140] [2024-11-27 23:19:49,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:49,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:49,537 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:19:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:49,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:19:49,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:49,544 INFO L85 PathProgramCache]: Analyzing trace with hash -2074748287, now seen corresponding path program 4 times [2024-11-27 23:19:49,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:19:49,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549724836] [2024-11-27 23:19:49,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:49,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:49,585 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:19:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:19:49,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:20:07,630 WARN L286 SmtUtils]: Spent 9.52s on a formula simplification that was a NOOP. DAG size: 249 (called from [L 299] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-27 23:20:18,279 WARN L286 SmtUtils]: Spent 10.62s on a formula simplification that was a NOOP. DAG size: 255 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-27 23:20:29,235 WARN L286 SmtUtils]: Spent 10.27s on a formula simplification that was a NOOP. DAG size: 247 (called from [L 299] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-27 23:20:29,247 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:20:29,247 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:20:29,247 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:20:29,247 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:20:29,247 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:20:29,247 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:20:29,247 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:20:29,247 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:20:29,247 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex2.i_Iteration7_Lasso [2024-11-27 23:20:29,247 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:20:29,247 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:20:29,308 WARN L176 XnfTransformerHelper]: Simplifying conjunction of 7986 disjunctions. This might take some time... [2024-11-27 23:20:33,501 INFO L192 XnfTransformerHelper]: Simplified to conjunction of 7150 disjunctions. [2024-11-27 23:20:33,722 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:20:33,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:22,621 WARN L286 SmtUtils]: Spent 33.60s on a formula simplification that was a NOOP. DAG size: 3500 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:29:33,894 WARN L286 SmtUtils]: Spent 6.26s on a formula simplification. DAG size of input: 306 DAG size of output: 307 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:29:43,125 WARN L286 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 288 DAG size of output: 289 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:29:51,374 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 271 DAG size of output: 270 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:29:59,414 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 257 DAG size of output: 258 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:30:58,267 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 238 DAG size of output: 239 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:31:54,008 WARN L286 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 306 DAG size of output: 305 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:32:02,270 WARN L286 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 306 DAG size of output: 306 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:32:10,893 WARN L286 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 287 DAG size of output: 286 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:32:19,014 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 272 DAG size of output: 274 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:32:34,515 WARN L286 SmtUtils]: Spent 5.64s on a formula simplification. DAG size of input: 302 DAG size of output: 306 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:32:42,703 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 285 DAG size of output: 287 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:33:07,504 WARN L286 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 256 DAG size of output: 255 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:34:08,456 WARN L286 SmtUtils]: Spent 6.20s on a formula simplification. DAG size of input: 290 DAG size of output: 289 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:34:17,189 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 273 DAG size of output: 274 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:34:25,064 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 257 DAG size of output: 256 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)