./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme --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 57960152a9bf4b248c47f0c82a3b75491126a96d6b32b1df09f50fe85234d3e3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:03:05,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:03:05,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 12:03:05,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:03:05,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:03:05,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:03:05,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:03:05,631 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:03:05,632 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:03:05,637 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:03:05,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:03:05,639 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:03:05,640 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:03:05,642 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 12:03:05,642 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 12:03:05,643 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 12:03:05,643 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 12:03:05,643 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 12:03:05,644 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 12:03:05,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:03:05,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 12:03:05,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:03:05,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:03:05,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 12:03:05,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 12:03:05,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 12:03:05,647 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:03:05,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:03:05,648 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 12:03:05,649 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:03:05,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:03:05,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:03:05,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:03:05,650 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:03:05,651 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 12:03:05,651 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57960152a9bf4b248c47f0c82a3b75491126a96d6b32b1df09f50fe85234d3e3 [2023-11-26 12:03:05,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:03:05,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:03:05,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:03:05,978 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:03:05,979 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:03:05,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca-2.i [2023-11-26 12:03:09,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:03:09,378 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:03:09,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca-2.i [2023-11-26 12:03:09,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/data/e8d1d7ec0/b5c385d4ff644434a3a38f22d5e79129/FLAG694c16c51 [2023-11-26 12:03:09,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/data/e8d1d7ec0/b5c385d4ff644434a3a38f22d5e79129 [2023-11-26 12:03:09,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:03:09,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:03:09,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:09,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:03:09,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:03:09,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e56700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09, skipping insertion in model container [2023-11-26 12:03:09,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,465 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:03:09,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:09,761 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:03:09,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:09,876 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:03:09,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09 WrapperNode [2023-11-26 12:03:09,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:09,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:09,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:03:09,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:03:09,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,933 INFO L138 Inliner]: procedures = 110, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2023-11-26 12:03:09,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:09,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:03:09,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:03:09,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:03:09,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,966 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,979 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [5, 4]. 56 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 5 writes are split as follows [3, 2]. [2023-11-26 12:03:09,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:09,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:10,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:10,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:10,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:10,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:03:10,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:03:10,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:03:10,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:03:10,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (1/1) ... [2023-11-26 12:03:10,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:10,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:10,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:10,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 12:03:10,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:03:10,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:03:10,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:03:10,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:03:10,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:03:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:03:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:03:10,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:03:10,220 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:03:10,222 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:03:10,397 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:03:10,407 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:03:10,407 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:03:10,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:10 BoogieIcfgContainer [2023-11-26 12:03:10,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:03:10,411 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 12:03:10,411 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 12:03:10,415 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 12:03:10,416 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:03:10,416 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 12:03:09" (1/3) ... [2023-11-26 12:03:10,417 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44dd9035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 12:03:10, skipping insertion in model container [2023-11-26 12:03:10,417 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:03:10,418 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:09" (2/3) ... [2023-11-26 12:03:10,418 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44dd9035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 12:03:10, skipping insertion in model container [2023-11-26 12:03:10,418 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:03:10,419 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:10" (3/3) ... [2023-11-26 12:03:10,420 INFO L332 chiAutomizerObserver]: Analyzing ICFG CookSeeZuleger-2013TACAS-Fig3-alloca-2.i [2023-11-26 12:03:10,477 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 12:03:10,477 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 12:03:10,477 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 12:03:10,477 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 12:03:10,478 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 12:03:10,478 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 12:03:10,478 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 12:03:10,478 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 12:03:10,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:10,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:03:10,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:03:10,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:03:10,503 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 12:03:10,503 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:03:10,504 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 12:03:10,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:10,505 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:03:10,505 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:03:10,506 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:03:10,506 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 12:03:10,506 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:03:10,515 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 8#L553-2true [2023-11-26 12:03:10,515 INFO L750 eck$LassoCheckResult]: Loop: 8#L553-2true call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 10#L552-1true assume main_#t~short8#1;call main_#t~mem7#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 4#L552-3true assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 3#L553true assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(main_#t~mem10#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem10#1; 8#L553-2true [2023-11-26 12:03:10,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:10,522 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-26 12:03:10,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:10,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157381682] [2023-11-26 12:03:10,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:10,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:10,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:03:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:10,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:03:10,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:10,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2023-11-26 12:03:10,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:10,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911018954] [2023-11-26 12:03:10,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:10,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:10,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:03:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:10,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:03:10,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:10,749 INFO L85 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2023-11-26 12:03:10,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:10,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569576256] [2023-11-26 12:03:10,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:10,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:10,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:03:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:10,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:03:11,495 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:03:11,496 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:03:11,496 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:03:11,496 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:03:11,497 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:03:11,497 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:11,497 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:03:11,497 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:03:11,497 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca-2.i_Iteration1_Lasso [2023-11-26 12:03:11,497 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:03:11,497 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:03:11,517 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:11,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:11,527 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:11,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:11,534 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:11,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:11,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:11,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:11,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:11,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:11,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:11,953 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:11,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:11,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:11,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:11,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:12,341 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:03:12,346 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:03:12,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:12,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:12,352 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:12,376 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 [2023-11-26 12:03:12,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 12:03:12,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:12,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:12,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:12,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:12,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:12,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:12,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:12,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:12,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:12,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:12,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:12,421 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:12,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 12:03:12,425 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 [2023-11-26 12:03:12,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:12,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:12,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:12,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:12,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:12,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:12,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:12,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:12,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:12,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:12,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:12,461 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:12,473 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 [2023-11-26 12:03:12,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 12:03:12,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:12,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:12,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:12,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:12,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:12,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:12,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:12,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:12,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:12,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:12,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:12,505 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:12,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 12:03:12,509 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 [2023-11-26 12:03:12,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:12,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:12,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:12,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:12,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:03:12,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:03:12,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:12,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:12,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:12,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:12,605 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:12,613 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 [2023-11-26 12:03:12,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 12:03:12,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:12,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:12,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:12,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:12,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:03:12,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:03:12,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:12,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:12,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:12,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:12,656 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:12,661 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 [2023-11-26 12:03:12,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 12:03:12,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:12,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:12,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:12,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:12,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:03:12,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:03:12,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:12,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:12,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:12,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:12,714 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:12,725 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 [2023-11-26 12:03:12,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:12,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:12,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:12,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:12,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 12:03:12,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:03:12,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:03:12,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:12,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:12,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:12,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:12,770 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:12,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 12:03:12,773 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 [2023-11-26 12:03:12,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:12,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:12,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:12,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:12,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:03:12,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:03:12,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:12,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:12,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:12,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:12,823 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:12,837 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 [2023-11-26 12:03:12,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:12,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:12,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:12,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:12,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 12:03:12,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:03:12,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:03:12,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:12,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:12,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:12,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:12,888 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:12,902 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 [2023-11-26 12:03:12,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:12,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:12,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:12,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:12,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 12:03:12,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:03:12,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:03:12,944 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:03:12,978 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-26 12:03:12,978 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-26 12:03:12,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:12,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:13,020 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:13,023 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:03:13,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 12:03:13,058 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 12:03:13,058 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:03:13,059 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) 0)_1 Supporting invariants [] [2023-11-26 12:03:13,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:13,139 INFO L156 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2023-11-26 12:03:13,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~x~0!base][0] could not be translated [2023-11-26 12:03:13,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:13,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 12:03:13,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:13,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 12:03:13,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:13,408 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 [2023-11-26 12:03:13,409 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:13,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:13,562 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 42 transitions. Complement of second has 10 states. [2023-11-26 12:03:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-26 12:03:13,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:13,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2023-11-26 12:03:13,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-26 12:03:13,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:03:13,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-26 12:03:13,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:03:13,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 2 letters. Loop has 8 letters. [2023-11-26 12:03:13,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:03:13,575 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2023-11-26 12:03:13,577 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:03:13,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 16 states and 22 transitions. [2023-11-26 12:03:13,583 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-26 12:03:13,583 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-26 12:03:13,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2023-11-26 12:03:13,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:03:13,584 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2023-11-26 12:03:13,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2023-11-26 12:03:13,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2023-11-26 12:03:13,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:13,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2023-11-26 12:03:13,612 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2023-11-26 12:03:13,613 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2023-11-26 12:03:13,613 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 12:03:13,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2023-11-26 12:03:13,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:03:13,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:03:13,614 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:03:13,615 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 12:03:13,615 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:03:13,615 INFO L748 eck$LassoCheckResult]: Stem: 150#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 151#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 155#L553-2 call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 154#L552-1 assume !main_#t~short8#1; 148#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 144#L553 assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#1(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1; 145#L553-2 [2023-11-26 12:03:13,615 INFO L750 eck$LassoCheckResult]: Loop: 145#L553-2 call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 152#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 157#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 156#L553 assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(main_#t~mem10#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem10#1; 145#L553-2 [2023-11-26 12:03:13,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:13,616 INFO L85 PathProgramCache]: Analyzing trace with hash 889571373, now seen corresponding path program 1 times [2023-11-26 12:03:13,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:13,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493413569] [2023-11-26 12:03:13,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:13,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:13,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:13,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:13,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493413569] [2023-11-26 12:03:13,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493413569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:13,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:13,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:03:13,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382280781] [2023-11-26 12:03:13,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:13,695 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:03:13,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:13,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 2 times [2023-11-26 12:03:13,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:13,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340883880] [2023-11-26 12:03:13,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:13,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:13,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:03:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:13,716 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:03:13,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:13,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:03:13,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:03:13,856 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:13,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:13,871 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2023-11-26 12:03:13,871 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2023-11-26 12:03:13,872 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:03:13,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 14 states and 17 transitions. [2023-11-26 12:03:13,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-26 12:03:13,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-26 12:03:13,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2023-11-26 12:03:13,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:03:13,873 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2023-11-26 12:03:13,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2023-11-26 12:03:13,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-26 12:03:13,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2023-11-26 12:03:13,876 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2023-11-26 12:03:13,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:03:13,877 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2023-11-26 12:03:13,877 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 12:03:13,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2023-11-26 12:03:13,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:03:13,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:03:13,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:03:13,879 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 12:03:13,879 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:03:13,880 INFO L748 eck$LassoCheckResult]: Stem: 187#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 188#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 192#L553-2 call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 191#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 185#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 181#L553 assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#1(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1; 182#L553-2 [2023-11-26 12:03:13,880 INFO L750 eck$LassoCheckResult]: Loop: 182#L553-2 call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 189#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 194#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 193#L553 assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(main_#t~mem10#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem10#1; 182#L553-2 [2023-11-26 12:03:13,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:13,880 INFO L85 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 1 times [2023-11-26 12:03:13,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:13,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235051529] [2023-11-26 12:03:13,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:13,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:13,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:03:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:13,920 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:03:13,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:13,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 3 times [2023-11-26 12:03:13,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:13,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944293780] [2023-11-26 12:03:13,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:13,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:13,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:03:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:13,939 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:03:13,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:13,940 INFO L85 PathProgramCache]: Analyzing trace with hash -980235887, now seen corresponding path program 1 times [2023-11-26 12:03:13,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:13,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327569706] [2023-11-26 12:03:13,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:13,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:13,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:03:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:13,983 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:03:14,620 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:03:14,621 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:03:14,621 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:03:14,621 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:03:14,621 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:03:14,621 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:14,621 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:03:14,622 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:03:14,622 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca-2.i_Iteration3_Lasso [2023-11-26 12:03:14,622 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:03:14,622 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:03:14,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:14,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:14,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:14,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:14,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:14,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:14,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:14,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:14,981 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:14,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:14,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:14,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:14,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:14,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:15,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:15,318 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:03:15,318 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:03:15,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:15,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:15,319 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:15,329 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 [2023-11-26 12:03:15,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 12:03:15,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:15,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:15,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:15,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:15,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:15,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:15,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:15,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:15,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:15,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:15,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:15,368 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:15,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 12:03:15,373 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 [2023-11-26 12:03:15,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:15,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:15,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:15,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:15,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:03:15,397 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:03:15,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:15,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:15,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:15,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:15,433 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:15,445 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 [2023-11-26 12:03:15,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:15,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:15,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:15,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:15,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 12:03:15,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:03:15,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:03:15,488 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:03:15,501 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-26 12:03:15,501 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-26 12:03:15,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:15,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:15,502 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:15,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 12:03:15,510 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:03:15,538 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 12:03:15,538 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:03:15,538 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) 0)_2) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) 0)_2 Supporting invariants [] [2023-11-26 12:03:15,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:15,579 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2023-11-26 12:03:15,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~x~0!base][0] could not be translated [2023-11-26 12:03:15,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:15,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 12:03:15,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:15,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 12:03:15,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:15,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:15,766 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-26 12:03:15,767 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:15,848 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 27 transitions. Complement of second has 8 states. [2023-11-26 12:03:15,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 12:03:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:15,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2023-11-26 12:03:15,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-26 12:03:15,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:03:15,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2023-11-26 12:03:15,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:03:15,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 8 letters. [2023-11-26 12:03:15,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:03:15,853 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2023-11-26 12:03:15,855 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:03:15,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 27 transitions. [2023-11-26 12:03:15,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-26 12:03:15,856 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-26 12:03:15,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2023-11-26 12:03:15,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:03:15,857 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2023-11-26 12:03:15,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2023-11-26 12:03:15,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-26 12:03:15,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:15,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2023-11-26 12:03:15,861 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2023-11-26 12:03:15,861 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2023-11-26 12:03:15,862 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 12:03:15,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2023-11-26 12:03:15,862 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:03:15,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:03:15,863 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:03:15,863 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1] [2023-11-26 12:03:15,863 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:03:15,863 INFO L748 eck$LassoCheckResult]: Stem: 332#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 333#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 334#L553-2 call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 339#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 338#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 337#L553 assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#1(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1; 336#L553-2 call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 331#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 326#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 322#L553 assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#1(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1; 323#L553-2 [2023-11-26 12:03:15,863 INFO L750 eck$LassoCheckResult]: Loop: 323#L553-2 call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 328#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 341#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 340#L553 assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(main_#t~mem10#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem10#1; 323#L553-2 [2023-11-26 12:03:15,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:15,864 INFO L85 PathProgramCache]: Analyzing trace with hash -980235885, now seen corresponding path program 2 times [2023-11-26 12:03:15,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:15,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286811466] [2023-11-26 12:03:15,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:15,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:15,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:03:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:15,935 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:03:15,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:15,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 4 times [2023-11-26 12:03:15,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:15,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453487844] [2023-11-26 12:03:15,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:15,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:15,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:03:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:15,950 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:03:15,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:15,951 INFO L85 PathProgramCache]: Analyzing trace with hash -987685255, now seen corresponding path program 2 times [2023-11-26 12:03:15,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:15,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820057569] [2023-11-26 12:03:15,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:15,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:15,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:03:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:15,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:03:16,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:17,021 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:03:17,021 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:03:17,021 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:03:17,022 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:03:17,022 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:03:17,022 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:17,022 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:03:17,022 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:03:17,022 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca-2.i_Iteration4_Lasso [2023-11-26 12:03:17,022 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:03:17,022 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:03:17,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:17,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:17,032 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:17,034 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:17,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:17,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:17,042 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:17,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:17,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:17,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:17,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:17,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:17,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:17,287 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:17,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:17,595 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:03:17,595 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:03:17,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:17,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:17,599 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:17,609 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 [2023-11-26 12:03:17,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:17,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:17,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:17,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:17,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:17,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:17,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:17,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 12:03:17,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:17,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:17,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:17,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:17,639 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:17,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 12:03:17,646 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 [2023-11-26 12:03:17,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:17,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:17,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:17,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:17,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:17,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:17,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:17,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:17,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:17,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:17,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:17,678 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:17,685 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 [2023-11-26 12:03:17,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 12:03:17,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:17,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:17,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:17,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:17,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:17,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:17,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:17,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:17,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:17,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:17,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:17,714 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:17,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 12:03:17,718 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 [2023-11-26 12:03:17,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:17,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:17,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:17,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:17,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:17,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:17,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:17,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:17,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:17,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:17,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:17,741 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:17,748 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 [2023-11-26 12:03:17,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 12:03:17,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:17,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:17,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:17,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:17,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:17,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:17,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:17,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:17,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:17,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:17,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:17,774 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:17,785 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 [2023-11-26 12:03:17,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:17,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:17,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:17,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:17,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:17,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 12:03:17,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:17,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:17,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:17,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:17,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:17,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:17,822 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:17,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 12:03:17,829 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 [2023-11-26 12:03:17,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:17,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:17,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:17,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:17,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:03:17,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:03:17,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:17,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:17,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:17,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:17,866 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:17,870 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 [2023-11-26 12:03:17,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:17,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:17,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:17,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:17,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 12:03:17,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:03:17,887 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:03:17,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:17,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-26 12:03:17,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:17,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:17,906 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:17,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 12:03:17,909 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 [2023-11-26 12:03:17,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:17,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:17,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:17,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:17,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:03:17,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:03:17,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:17,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-26 12:03:17,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:17,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:17,929 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:17,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 12:03:17,933 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 [2023-11-26 12:03:17,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:17,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:17,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:17,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:17,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:03:17,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:03:17,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:17,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-26 12:03:17,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:17,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:17,976 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:17,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 12:03:17,978 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 [2023-11-26 12:03:17,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:17,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:17,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:17,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:17,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:17,990 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:17,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:17,992 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:03:17,994 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-26 12:03:17,994 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-26 12:03:17,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:17,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:17,995 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:17,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 12:03:17,998 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:03:17,998 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 12:03:17,998 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:03:17,998 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_3) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_3 Supporting invariants [] [2023-11-26 12:03:18,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-26 12:03:18,036 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2023-11-26 12:03:18,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~x~0!base][~x~0!offset] could not be translated [2023-11-26 12:03:18,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:18,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:03:18,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:18,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:03:18,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:18,165 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 [2023-11-26 12:03:18,165 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:18,198 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 35 transitions. Complement of second has 7 states. [2023-11-26 12:03:18,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 12:03:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:18,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2023-11-26 12:03:18,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2023-11-26 12:03:18,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:03:18,201 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 12:03:18,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:18,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:03:18,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:18,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:18,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:03:18,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:18,351 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-26 12:03:18,351 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:18,382 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 35 transitions. Complement of second has 7 states. [2023-11-26 12:03:18,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 12:03:18,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2023-11-26 12:03:18,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2023-11-26 12:03:18,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:03:18,384 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 12:03:18,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:18,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:03:18,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:18,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:03:18,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:18,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:18,510 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-26 12:03:18,510 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:18,543 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 40 transitions. Complement of second has 6 states. [2023-11-26 12:03:18,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 12:03:18,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:18,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2023-11-26 12:03:18,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 4 letters. [2023-11-26 12:03:18,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:03:18,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 4 letters. [2023-11-26 12:03:18,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:03:18,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 8 letters. [2023-11-26 12:03:18,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:03:18,547 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2023-11-26 12:03:18,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-26 12:03:18,550 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 26 states and 32 transitions. [2023-11-26 12:03:18,550 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-26 12:03:18,550 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-26 12:03:18,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2023-11-26 12:03:18,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:03:18,550 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 32 transitions. [2023-11-26 12:03:18,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2023-11-26 12:03:18,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 10. [2023-11-26 12:03:18,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2023-11-26 12:03:18,553 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2023-11-26 12:03:18,553 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2023-11-26 12:03:18,553 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 12:03:18,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2023-11-26 12:03:18,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-26 12:03:18,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:03:18,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:03:18,554 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 12:03:18,554 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 12:03:18,554 INFO L748 eck$LassoCheckResult]: Stem: 645#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 646#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 640#L553-2 [2023-11-26 12:03:18,554 INFO L750 eck$LassoCheckResult]: Loop: 640#L553-2 call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 648#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 643#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 639#L553 assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#1(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1; 640#L553-2 [2023-11-26 12:03:18,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:18,555 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2023-11-26 12:03:18,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:18,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972694251] [2023-11-26 12:03:18,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:18,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:18,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:03:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:18,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:03:18,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:18,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1142249, now seen corresponding path program 1 times [2023-11-26 12:03:18,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:18,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006193355] [2023-11-26 12:03:18,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:18,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:18,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:03:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:18,586 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:03:18,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:18,587 INFO L85 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 3 times [2023-11-26 12:03:18,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:18,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534640829] [2023-11-26 12:03:18,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:18,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:18,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:03:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:18,616 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:03:19,038 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:03:19,038 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:03:19,038 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:03:19,039 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:03:19,039 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:03:19,039 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:19,039 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:03:19,039 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:03:19,039 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca-2.i_Iteration5_Lasso [2023-11-26 12:03:19,039 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:03:19,039 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:03:19,041 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:19,045 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:19,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:19,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:19,052 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:19,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:19,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:19,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:19,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:19,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:19,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:19,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:19,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:19,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:19,314 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:19,317 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:03:19,612 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:03:19,612 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:03:19,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:19,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:19,613 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:19,616 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 [2023-11-26 12:03:19,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 12:03:19,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:19,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:19,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:19,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:19,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:19,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:19,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:19,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:19,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:19,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:19,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:19,635 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:19,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 12:03:19,642 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 [2023-11-26 12:03:19,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:19,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:19,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:19,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:19,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:19,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:19,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:19,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:19,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:19,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:19,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:19,659 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:19,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 12:03:19,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:03:19,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:19,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:19,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:19,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:19,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:19,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:19,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:19,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:19,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:19,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:19,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:19,682 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:19,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 12:03:19,686 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 [2023-11-26 12:03:19,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:19,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:19,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:19,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:19,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:19,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:19,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:19,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:19,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:19,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:19,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:19,708 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:19,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 12:03:19,710 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 [2023-11-26 12:03:19,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:19,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:19,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:19,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:19,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:19,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:19,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:19,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:19,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:19,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:19,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:19,727 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:19,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 12:03:19,734 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 [2023-11-26 12:03:19,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:19,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:19,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:19,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:19,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:03:19,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:03:19,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:19,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:19,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:19,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:19,756 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:19,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 12:03:19,760 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 [2023-11-26 12:03:19,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:19,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:19,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:19,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:19,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:03:19,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:03:19,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:19,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-26 12:03:19,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:19,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:19,782 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:19,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-26 12:03:19,787 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 [2023-11-26 12:03:19,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:19,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:19,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:19,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:19,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:19,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:19,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:19,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:19,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-26 12:03:19,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:19,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:19,826 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:19,833 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 [2023-11-26 12:03:19,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-26 12:03:19,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:19,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:03:19,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:19,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:19,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:19,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:03:19,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:03:19,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:03:19,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:19,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:19,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:19,852 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:19,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-26 12:03:19,854 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 [2023-11-26 12:03:19,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:03:19,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:03:19,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:03:19,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:03:19,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:03:19,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:03:19,876 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:03:19,885 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-26 12:03:19,885 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-26 12:03:19,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:03:19,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:19,887 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:19,890 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:03:19,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-26 12:03:19,901 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 12:03:19,902 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:03:19,902 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~y~0#1.base) 0)_2) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~y~0#1.base) 0)_2 Supporting invariants [] [2023-11-26 12:03:19,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:19,937 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2023-11-26 12:03:19,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~y~0!base][0] could not be translated [2023-11-26 12:03:19,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:19,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 12:03:19,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:19,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 12:03:19,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:20,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:20,074 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 [2023-11-26 12:03:20,074 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 3 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:20,138 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 3. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 33 transitions. Complement of second has 8 states. [2023-11-26 12:03:20,139 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 [2023-11-26 12:03:20,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:20,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2023-11-26 12:03:20,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-26 12:03:20,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:03:20,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-26 12:03:20,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:03:20,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 8 letters. [2023-11-26 12:03:20,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:03:20,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2023-11-26 12:03:20,142 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 12:03:20,143 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2023-11-26 12:03:20,143 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 12:03:20,143 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 12:03:20,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 12:03:20,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:03:20,143 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:03:20,143 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:03:20,143 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:03:20,143 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 12:03:20,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 12:03:20,144 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 12:03:20,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 12:03:20,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 12:03:20 BoogieIcfgContainer [2023-11-26 12:03:20,152 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 12:03:20,153 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:03:20,153 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:03:20,153 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:03:20,154 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:10" (3/4) ... [2023-11-26 12:03:20,156 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 12:03:20,157 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:03:20,158 INFO L158 Benchmark]: Toolchain (without parser) took 10745.18ms. Allocated memory was 146.8MB in the beginning and 224.4MB in the end (delta: 77.6MB). Free memory was 102.0MB in the beginning and 161.8MB in the end (delta: -59.8MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-26 12:03:20,158 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 146.8MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:03:20,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.92ms. Allocated memory is still 146.8MB. Free memory was 101.7MB in the beginning and 85.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 12:03:20,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.52ms. Allocated memory is still 146.8MB. Free memory was 85.9MB in the beginning and 84.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:03:20,160 INFO L158 Benchmark]: Boogie Preprocessor took 83.21ms. Allocated memory is still 146.8MB. Free memory was 84.2MB in the beginning and 82.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:03:20,160 INFO L158 Benchmark]: RCFGBuilder took 391.06ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 82.1MB in the beginning and 153.9MB in the end (delta: -71.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 12:03:20,161 INFO L158 Benchmark]: BuchiAutomizer took 9741.79ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 153.3MB in the beginning and 161.8MB in the end (delta: -8.5MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2023-11-26 12:03:20,161 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 224.4MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:03:20,163 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 146.8MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.92ms. Allocated memory is still 146.8MB. Free memory was 101.7MB in the beginning and 85.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.52ms. Allocated memory is still 146.8MB. Free memory was 85.9MB in the beginning and 84.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.21ms. Allocated memory is still 146.8MB. Free memory was 84.2MB in the beginning and 82.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.06ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 82.1MB in the beginning and 153.9MB in the end (delta: -71.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 9741.79ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 153.3MB in the beginning and 161.8MB in the end (delta: -8.5MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 224.4MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~x~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~x~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~x~0!base][~x~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~y~0!base][0] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function null and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.6s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 8.1s. Construction of modules took 0.1s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 49 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital174 mio100 ax110 hnf100 lsp88 ukn70 mio100 lsp22 div100 bol100 ite100 ukn100 eq159 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 68ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 12:03:20,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:20,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63c1cab-fd8d-4d77-a3c7-a18bba98015d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE