./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30e01a73 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_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ --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 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:38:18,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:38:18,653 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-23 21:38:18,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:38:18,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:38:18,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:38:18,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:38:18,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:38:18,691 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:38:18,692 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:38:18,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:38:18,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:38:18,694 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:38:18,695 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-23 21:38:18,695 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-23 21:38:18,696 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-23 21:38:18,697 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-23 21:38:18,697 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-23 21:38:18,698 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-23 21:38:18,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:38:18,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-23 21:38:18,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:38:18,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:38:18,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-23 21:38:18,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-23 21:38:18,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-23 21:38:18,703 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:38:18,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:38:18,704 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-23 21:38:18,704 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:38:18,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:38:18,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:38:18,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:38:18,706 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:38:18,725 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-23 21:38:18,726 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_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 [2023-11-23 21:38:19,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:38:19,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:38:19,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:38:19,107 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:38:19,108 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:38:19,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2023-11-23 21:38:22,204 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:38:22,491 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:38:22,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2023-11-23 21:38:22,499 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/data/0ccbbb61d/957b9c35371f4262bedda155ccea12fb/FLAGe92c1673e [2023-11-23 21:38:22,528 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/data/0ccbbb61d/957b9c35371f4262bedda155ccea12fb [2023-11-23 21:38:22,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:38:22,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:38:22,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:38:22,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:38:22,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:38:22,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:38:22" (1/1) ... [2023-11-23 21:38:22,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219c46f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:22, skipping insertion in model container [2023-11-23 21:38:22,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:38:22" (1/1) ... [2023-11-23 21:38:22,565 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:38:22,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:38:22,766 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:38:22,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:38:22,796 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:38:22,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:22 WrapperNode [2023-11-23 21:38:22,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:38:22,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:38:22,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:38:22,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:38:22,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:22" (1/1) ... [2023-11-23 21:38:22,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:22" (1/1) ... [2023-11-23 21:38:22,834 INFO L138 Inliner]: procedures = 7, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2023-11-23 21:38:22,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:38:22,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:38:22,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:38:22,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:38:22,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:22" (1/1) ... [2023-11-23 21:38:22,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:22" (1/1) ... [2023-11-23 21:38:22,850 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:22" (1/1) ... [2023-11-23 21:38:22,863 INFO L189 HeapSplitter]: Split 15 memory accesses to 4 slices as follows [3, 4, 4, 4] [2023-11-23 21:38:22,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:22" (1/1) ... [2023-11-23 21:38:22,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:22" (1/1) ... [2023-11-23 21:38:22,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:22" (1/1) ... [2023-11-23 21:38:22,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:22" (1/1) ... [2023-11-23 21:38:22,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:22" (1/1) ... [2023-11-23 21:38:22,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:22" (1/1) ... [2023-11-23 21:38:22,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:38:22,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:38:22,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:38:22,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:38:22,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:22" (1/1) ... [2023-11-23 21:38:22,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:22,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:22,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:22,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-23 21:38:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 21:38:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 21:38:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 21:38:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 21:38:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:38:22,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:38:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 21:38:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 21:38:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 21:38:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 21:38:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:38:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:38:23,068 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:38:23,071 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:38:23,315 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:38:23,330 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:38:23,330 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:38:23,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:38:23 BoogieIcfgContainer [2023-11-23 21:38:23,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:38:23,333 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-23 21:38:23,333 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-23 21:38:23,337 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-23 21:38:23,338 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 21:38:23,338 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 09:38:22" (1/3) ... [2023-11-23 21:38:23,355 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c7d6ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 09:38:23, skipping insertion in model container [2023-11-23 21:38:23,355 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 21:38:23,355 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:22" (2/3) ... [2023-11-23 21:38:23,356 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c7d6ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 09:38:23, skipping insertion in model container [2023-11-23 21:38:23,356 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 21:38:23,356 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:38:23" (3/3) ... [2023-11-23 21:38:23,358 INFO L332 chiAutomizerObserver]: Analyzing ICFG 4BitCounterPointer.c [2023-11-23 21:38:23,414 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-23 21:38:23,415 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-23 21:38:23,415 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-23 21:38:23,415 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-23 21:38:23,416 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-23 21:38:23,416 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-23 21:38:23,416 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-23 21:38:23,416 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-23 21:38:23,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:38:23,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-23 21:38:23,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 21:38:23,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 21:38:23,449 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-23 21:38:23,450 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 21:38:23,450 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-23 21:38:23,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:38:23,453 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-23 21:38:23,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 21:38:23,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 21:38:23,454 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-23 21:38:23,454 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 21:38:23,464 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 4#L24-2true [2023-11-23 21:38:23,465 INFO L750 eck$LassoCheckResult]: Loop: 4#L24-2true call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 8#L15-1true assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 2#L16true assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 4#L24-2true [2023-11-23 21:38:23,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:23,478 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-23 21:38:23,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:23,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163904013] [2023-11-23 21:38:23,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:23,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:23,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:23,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:23,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:23,785 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 1 times [2023-11-23 21:38:23,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:23,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564455860] [2023-11-23 21:38:23,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:23,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:23,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:23,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:23,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:23,813 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2023-11-23 21:38:23,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:23,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444239407] [2023-11-23 21:38:23,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:23,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:23,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:23,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:25,535 INFO L210 LassoAnalysis]: Preferences: [2023-11-23 21:38:25,535 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-23 21:38:25,536 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-23 21:38:25,536 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-23 21:38:25,536 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-23 21:38:25,536 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:25,536 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-23 21:38:25,536 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-23 21:38:25,536 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration1_Lasso [2023-11-23 21:38:25,537 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-23 21:38:25,537 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-23 21:38:25,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:25,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:25,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:25,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:25,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:25,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:25,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:25,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:25,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:25,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:25,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:26,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:26,602 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-23 21:38:26,610 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-23 21:38:26,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:26,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:26,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:26,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-23 21:38:26,628 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 [2023-11-23 21:38:26,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:26,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:26,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:26,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:26,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:26,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:26,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:26,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:26,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:26,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:26,683 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:26,690 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 [2023-11-23 21:38:26,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-23 21:38:26,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:26,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 21:38:26,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:26,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:26,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:26,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 21:38:26,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 21:38:26,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:26,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-23 21:38:26,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:26,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:26,738 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:26,745 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 [2023-11-23 21:38:26,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:26,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 21:38:26,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:26,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:26,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:26,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 21:38:26,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 21:38:26,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-23 21:38:26,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:26,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:26,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:26,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:26,806 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:26,809 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 [2023-11-23 21:38:26,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:26,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:26,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:26,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:26,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:26,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:26,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-23 21:38:26,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:26,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:26,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:26,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:26,861 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:26,876 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 [2023-11-23 21:38:26,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:26,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 21:38:26,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:26,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:26,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:26,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 21:38:26,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 21:38:26,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-23 21:38:26,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:26,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:26,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:26,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:26,922 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:26,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-23 21:38:26,929 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 [2023-11-23 21:38:26,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:26,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:26,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:26,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:26,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:26,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:26,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:26,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:26,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:26,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:26,982 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:26,992 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 [2023-11-23 21:38:27,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:27,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:27,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:27,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:27,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:27,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:27,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-23 21:38:27,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:27,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-23 21:38:27,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:27,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:27,042 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:27,053 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 [2023-11-23 21:38:27,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:27,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:27,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:27,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:27,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:27,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:27,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-23 21:38:27,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:27,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:27,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:27,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:27,117 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:27,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-23 21:38:27,123 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 [2023-11-23 21:38:27,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:27,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 21:38:27,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:27,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:27,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:27,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 21:38:27,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 21:38:27,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:27,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:27,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:27,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:27,172 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:27,180 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 [2023-11-23 21:38:27,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:27,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 21:38:27,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:27,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:27,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:27,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 21:38:27,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 21:38:27,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-23 21:38:27,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:27,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:27,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:27,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:27,225 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:27,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-23 21:38:27,228 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 [2023-11-23 21:38:27,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:27,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:27,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:27,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:27,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:27,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:27,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:27,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:27,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:27,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:27,292 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:27,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 21:38:27,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-23 21:38:27,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:27,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:27,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:27,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:27,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:27,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:27,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:27,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:27,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:27,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:27,351 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:27,365 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 [2023-11-23 21:38:27,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-23 21:38:27,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:27,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:27,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:27,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:27,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:27,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:27,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:27,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:27,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:27,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:27,414 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:27,424 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 [2023-11-23 21:38:27,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-23 21:38:27,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:27,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:27,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:27,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:27,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:27,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:27,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:27,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:27,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:27,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:27,479 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:27,486 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 [2023-11-23 21:38:27,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:27,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:27,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:27,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:27,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-23 21:38:27,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:27,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:27,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:27,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:27,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:27,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:27,545 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:27,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-23 21:38:27,568 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 [2023-11-23 21:38:27,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:27,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:27,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:27,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:27,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:27,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:27,603 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-23 21:38:27,630 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-23 21:38:27,630 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-23 21:38:27,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:27,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:27,666 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:27,668 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-23 21:38:27,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-23 21:38:27,693 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-23 21:38:27,693 INFO L513 LassoAnalysis]: Proved termination. [2023-11-23 21:38:27,694 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#3 ULTIMATE.start_main_~x0~0#1.base) 0)_1) = -2*v_rep(select (select #memory_int#3 ULTIMATE.start_main_~x0~0#1.base) 0)_1 + 1 Supporting invariants [] [2023-11-23 21:38:27,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:27,819 INFO L156 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2023-11-23 21:38:27,828 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[~x0~0!base][0] could not be translated [2023-11-23 21:38:27,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:27,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:38:27,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:27,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 21:38:27,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:38:28,013 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-23 21:38:28,016 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:38:28,105 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 33 transitions. Complement of second has 8 states. [2023-11-23 21:38:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-23 21:38:28,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:38:28,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2023-11-23 21:38:28,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 3 letters. [2023-11-23 21:38:28,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 21:38:28,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. [2023-11-23 21:38:28,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 21:38:28,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 6 letters. [2023-11-23 21:38:28,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 21:38:28,119 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2023-11-23 21:38:28,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-23 21:38:28,126 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 13 states and 18 transitions. [2023-11-23 21:38:28,127 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-23 21:38:28,128 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-23 21:38:28,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2023-11-23 21:38:28,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-23 21:38:28,128 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-23 21:38:28,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2023-11-23 21:38:28,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-23 21:38:28,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2023-11-23 21:38:28,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2023-11-23 21:38:28,155 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-23 21:38:28,155 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-23 21:38:28,156 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-23 21:38:28,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2023-11-23 21:38:28,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-23 21:38:28,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 21:38:28,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 21:38:28,157 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-23 21:38:28,157 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-23 21:38:28,158 INFO L748 eck$LassoCheckResult]: Stem: 179#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 180#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 181#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 178#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 171#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 172#L20 [2023-11-23 21:38:28,158 INFO L750 eck$LassoCheckResult]: Loop: 172#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 175#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 176#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 183#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 172#L20 [2023-11-23 21:38:28,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:28,159 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2023-11-23 21:38:28,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:28,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139402693] [2023-11-23 21:38:28,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:28,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:28,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:38:28,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:38:28,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139402693] [2023-11-23 21:38:28,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139402693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:38:28,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:38:28,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:38:28,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942096794] [2023-11-23 21:38:28,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:38:28,455 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-23 21:38:28,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:28,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1526457, now seen corresponding path program 1 times [2023-11-23 21:38:28,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:28,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174602288] [2023-11-23 21:38:28,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:28,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:28,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:28,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:28,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:38:28,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:38:28,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:38:28,672 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:38:28,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:38:28,708 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2023-11-23 21:38:28,708 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2023-11-23 21:38:28,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-23 21:38:28,710 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 18 states and 22 transitions. [2023-11-23 21:38:28,710 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-23 21:38:28,710 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-23 21:38:28,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2023-11-23 21:38:28,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-23 21:38:28,711 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-11-23 21:38:28,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2023-11-23 21:38:28,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2023-11-23 21:38:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 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) [2023-11-23 21:38:28,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-11-23 21:38:28,714 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-23 21:38:28,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:38:28,715 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-23 21:38:28,715 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-23 21:38:28,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2023-11-23 21:38:28,716 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-23 21:38:28,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 21:38:28,717 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 21:38:28,717 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2023-11-23 21:38:28,717 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1] [2023-11-23 21:38:28,718 INFO L748 eck$LassoCheckResult]: Stem: 220#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 221#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 217#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 218#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 215#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 216#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 219#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 226#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 223#L20 [2023-11-23 21:38:28,718 INFO L750 eck$LassoCheckResult]: Loop: 223#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 224#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 222#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 213#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 214#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 227#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 228#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 223#L20 [2023-11-23 21:38:28,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:28,718 INFO L85 PathProgramCache]: Analyzing trace with hash 179493189, now seen corresponding path program 1 times [2023-11-23 21:38:28,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:28,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268476886] [2023-11-23 21:38:28,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:28,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:28,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:28,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:28,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:28,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1770012235, now seen corresponding path program 1 times [2023-11-23 21:38:28,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:28,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302638593] [2023-11-23 21:38:28,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:28,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:28,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:28,793 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:28,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:28,793 INFO L85 PathProgramCache]: Analyzing trace with hash -161041423, now seen corresponding path program 1 times [2023-11-23 21:38:28,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:28,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863930756] [2023-11-23 21:38:28,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:28,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:28,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:28,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:28,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:30,526 INFO L210 LassoAnalysis]: Preferences: [2023-11-23 21:38:30,526 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-23 21:38:30,526 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-23 21:38:30,526 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-23 21:38:30,526 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-23 21:38:30,526 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:30,527 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-23 21:38:30,527 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-23 21:38:30,527 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration3_Lasso [2023-11-23 21:38:30,527 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-23 21:38:30,527 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-23 21:38:30,531 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:30,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:30,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:30,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:30,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:30,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:30,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:31,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:31,916 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-23 21:38:31,916 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-23 21:38:31,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:31,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:31,918 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:31,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-23 21:38:31,923 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 [2023-11-23 21:38:31,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:31,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 21:38:31,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:31,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:31,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:31,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 21:38:31,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 21:38:31,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:31,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:31,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:31,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:31,950 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:31,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-23 21:38:31,956 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 [2023-11-23 21:38:31,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:31,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 21:38:31,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:31,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:31,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:31,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 21:38:31,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 21:38:31,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:31,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:31,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:31,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:31,989 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:31,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-23 21:38:31,991 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 [2023-11-23 21:38:32,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:32,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:32,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:32,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,049 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,056 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 [2023-11-23 21:38:32,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-23 21:38:32,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 21:38:32,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 21:38:32,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 21:38:32,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:32,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,083 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-23 21:38:32,085 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 [2023-11-23 21:38:32,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 21:38:32,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 21:38:32,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 21:38:32,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-23 21:38:32,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,110 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-23 21:38:32,112 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 [2023-11-23 21:38:32,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:32,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:32,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:32,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,180 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,184 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 [2023-11-23 21:38:32,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:32,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:32,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-23 21:38:32,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:32,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,223 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-23 21:38:32,228 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 [2023-11-23 21:38:32,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:32,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:32,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-23 21:38:32,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,287 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-23 21:38:32,289 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 [2023-11-23 21:38:32,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:32,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:32,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-23 21:38:32,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,344 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-23 21:38:32,346 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 [2023-11-23 21:38:32,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:32,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:32,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-23 21:38:32,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,398 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,400 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 [2023-11-23 21:38:32,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:32,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:32,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-23 21:38:32,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:32,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,454 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,460 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 [2023-11-23 21:38:32,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-23 21:38:32,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:32,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:32,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:32,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,523 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,528 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 [2023-11-23 21:38:32,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:32,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:32,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-23 21:38:32,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-23 21:38:32,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,568 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-23 21:38:32,571 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 [2023-11-23 21:38:32,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:32,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:32,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-23 21:38:32,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,616 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-23 21:38:32,618 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 [2023-11-23 21:38:32,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:32,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:32,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:32,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,675 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 21:38:32,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-23 21:38:32,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:32,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:32,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-23 21:38:32,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,726 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-23 21:38:32,727 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 [2023-11-23 21:38:32,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:32,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:32,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:32,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,802 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,812 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 [2023-11-23 21:38:32,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-23 21:38:32,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:32,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:32,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:32,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,889 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,892 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 [2023-11-23 21:38:32,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-23 21:38:32,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:32,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:32,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:32,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:32,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:32,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:32,953 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:32,960 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 [2023-11-23 21:38:32,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:32,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:32,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:32,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:32,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-23 21:38:32,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:32,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:32,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:33,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-23 21:38:33,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:33,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:33,026 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:33,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-23 21:38:33,028 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 [2023-11-23 21:38:33,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:33,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:33,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:33,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:33,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:33,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:33,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:33,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-23 21:38:33,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:33,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:33,110 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:33,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-23 21:38:33,117 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 [2023-11-23 21:38:33,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:33,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:33,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:33,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:33,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:33,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:33,140 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-23 21:38:33,151 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-23 21:38:33,151 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-11-23 21:38:33,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:33,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:33,152 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:33,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-23 21:38:33,154 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-23 21:38:33,165 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-23 21:38:33,165 INFO L513 LassoAnalysis]: Proved termination. [2023-11-23 21:38:33,165 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 ULTIMATE.start_main_~x1~0#1.base) ULTIMATE.start_main_~x1~0#1.offset)_1) = -2*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~x1~0#1.base) ULTIMATE.start_main_~x1~0#1.offset)_1 + 1 Supporting invariants [3*ULTIMATE.start_main_#t~mem6#1 - 2*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~x1~0#1.base) ULTIMATE.start_main_~x1~0#1.offset)_1 >= 0] [2023-11-23 21:38:33,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-23 21:38:33,408 INFO L156 tatePredicateManager]: 37 out of 38 supporting invariants were superfluous and have been removed [2023-11-23 21:38:33,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~x1~0!base][~x1~0!offset] could not be translated [2023-11-23 21:38:33,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:33,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:38:33,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:33,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:33,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 21:38:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:33,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:38:33,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:33,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2023-11-23 21:38:33,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 21:38:33,693 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-23 21:38:33,693 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 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) [2023-11-23 21:38:33,743 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. 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 20 states and 26 transitions. Complement of second has 5 states. [2023-11-23 21:38:33,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 2 accepting loop states [2023-11-23 21:38:33,746 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) [2023-11-23 21:38:33,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2023-11-23 21:38:33,746 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 8 letters. Loop has 7 letters. [2023-11-23 21:38:33,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 21:38:33,747 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-23 21:38:33,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:33,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:38:33,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:33,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 21:38:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:33,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:38:33,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:33,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2023-11-23 21:38:33,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 21:38:33,941 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-23 21:38:33,941 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 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) [2023-11-23 21:38:33,990 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. 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 31 states and 41 transitions. Complement of second has 6 states. [2023-11-23 21:38:33,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-23 21:38:33,993 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) [2023-11-23 21:38:33,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2023-11-23 21:38:33,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 8 letters. Loop has 7 letters. [2023-11-23 21:38:33,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 21:38:33,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 15 letters. Loop has 7 letters. [2023-11-23 21:38:33,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 21:38:33,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 8 letters. Loop has 14 letters. [2023-11-23 21:38:33,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 21:38:33,997 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 41 transitions. [2023-11-23 21:38:34,005 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-23 21:38:34,008 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 41 transitions. [2023-11-23 21:38:34,009 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-23 21:38:34,009 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2023-11-23 21:38:34,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 41 transitions. [2023-11-23 21:38:34,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-23 21:38:34,009 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 41 transitions. [2023-11-23 21:38:34,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 41 transitions. [2023-11-23 21:38:34,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2023-11-23 21:38:34,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:38:34,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2023-11-23 21:38:34,016 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 36 transitions. [2023-11-23 21:38:34,016 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2023-11-23 21:38:34,016 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-23 21:38:34,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 36 transitions. [2023-11-23 21:38:34,018 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-23 21:38:34,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 21:38:34,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 21:38:34,019 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2023-11-23 21:38:34,020 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 21:38:34,020 INFO L748 eck$LassoCheckResult]: Stem: 568#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 569#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 570#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 566#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 563#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 564#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 567#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 582#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 581#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 562#L24-2 [2023-11-23 21:38:34,020 INFO L750 eck$LassoCheckResult]: Loop: 562#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 565#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 561#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 562#L24-2 [2023-11-23 21:38:34,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:34,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1269321583, now seen corresponding path program 2 times [2023-11-23 21:38:34,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:34,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994629533] [2023-11-23 21:38:34,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:34,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:34,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:34,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:34,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:34,089 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 2 times [2023-11-23 21:38:34,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:34,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521649057] [2023-11-23 21:38:34,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:34,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:34,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:34,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:34,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:34,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1467212283, now seen corresponding path program 3 times [2023-11-23 21:38:34,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:34,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77071033] [2023-11-23 21:38:34,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:34,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:34,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:34,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:36,214 INFO L210 LassoAnalysis]: Preferences: [2023-11-23 21:38:36,214 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-23 21:38:36,214 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-23 21:38:36,214 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-23 21:38:36,214 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-23 21:38:36,214 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:36,214 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-23 21:38:36,215 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-23 21:38:36,215 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration4_Lasso [2023-11-23 21:38:36,215 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-23 21:38:36,215 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-23 21:38:36,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:36,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:36,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:36,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:36,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:36,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:36,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:36,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:36,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:36,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:36,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:37,100 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-23 21:38:37,100 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-23 21:38:37,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:37,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:37,107 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:37,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-23 21:38:37,112 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 [2023-11-23 21:38:37,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:37,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 21:38:37,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:37,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:37,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:37,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 21:38:37,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 21:38:37,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:37,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:37,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:37,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:37,138 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:37,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-23 21:38:37,139 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 [2023-11-23 21:38:37,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:37,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:37,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:37,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:37,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:37,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:37,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:37,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:37,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:37,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:37,166 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:37,171 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 [2023-11-23 21:38:37,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-23 21:38:37,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:37,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:37,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:37,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:37,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:37,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:37,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:37,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-11-23 21:38:37,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:37,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:37,213 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:37,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-23 21:38:37,214 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 [2023-11-23 21:38:37,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:37,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:37,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:37,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:37,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:37,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:37,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:37,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:37,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:37,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:37,259 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:37,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-23 21:38:37,261 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 [2023-11-23 21:38:37,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:37,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:37,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:37,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:37,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:37,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:37,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:37,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-23 21:38:37,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:37,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:37,290 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:37,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-23 21:38:37,292 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 [2023-11-23 21:38:37,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:37,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:37,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:37,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:37,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:37,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:37,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:37,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-23 21:38:37,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:37,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:37,331 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:37,336 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 [2023-11-23 21:38:37,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:37,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:37,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:37,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:37,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:37,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:37,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-23 21:38:37,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:37,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:37,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:37,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:37,386 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:37,392 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 [2023-11-23 21:38:37,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:37,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:37,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:37,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:37,406 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:37,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:37,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-23 21:38:37,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:37,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:37,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:37,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:37,442 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:37,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-23 21:38:37,444 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 [2023-11-23 21:38:37,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:37,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:37,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:37,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:37,457 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:37,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:37,465 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-23 21:38:37,477 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-23 21:38:37,477 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 6 variables to zero. [2023-11-23 21:38:37,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:37,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:37,478 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:37,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-23 21:38:37,480 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-23 21:38:37,492 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-23 21:38:37,492 INFO L513 LassoAnalysis]: Proved termination. [2023-11-23 21:38:37,492 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#3 ULTIMATE.start_main_~x0~0#1.base) 0)_3) = -2*v_rep(select (select #memory_int#3 ULTIMATE.start_main_~x0~0#1.base) 0)_3 + 1 Supporting invariants [] [2023-11-23 21:38:37,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:37,587 INFO L156 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2023-11-23 21:38:37,589 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[~x0~0!base][0] could not be translated [2023-11-23 21:38:37,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:37,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:38:37,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:37,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 21:38:37,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:37,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:38:37,718 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-23 21:38:37,718 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 36 transitions. cyclomatic complexity: 13 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) [2023-11-23 21:38:37,761 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 36 transitions. cyclomatic complexity: 13. 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 61 states and 76 transitions. Complement of second has 8 states. [2023-11-23 21:38:37,762 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 [2023-11-23 21:38:37,763 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) [2023-11-23 21:38:37,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2023-11-23 21:38:37,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 3 letters. [2023-11-23 21:38:37,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 21:38:37,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 12 letters. Loop has 3 letters. [2023-11-23 21:38:37,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 21:38:37,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 6 letters. [2023-11-23 21:38:37,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 21:38:37,765 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 76 transitions. [2023-11-23 21:38:37,766 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2023-11-23 21:38:37,767 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 51 states and 64 transitions. [2023-11-23 21:38:37,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2023-11-23 21:38:37,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-11-23 21:38:37,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 64 transitions. [2023-11-23 21:38:37,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-23 21:38:37,768 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 64 transitions. [2023-11-23 21:38:37,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 64 transitions. [2023-11-23 21:38:37,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2023-11-23 21:38:37,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 46 states have internal predecessors, (60), 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) [2023-11-23 21:38:37,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 60 transitions. [2023-11-23 21:38:37,773 INFO L240 hiAutomatonCegarLoop]: Abstraction has 47 states and 60 transitions. [2023-11-23 21:38:37,774 INFO L428 stractBuchiCegarLoop]: Abstraction has 47 states and 60 transitions. [2023-11-23 21:38:37,774 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-23 21:38:37,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 60 transitions. [2023-11-23 21:38:37,775 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2023-11-23 21:38:37,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 21:38:37,775 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 21:38:37,776 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2023-11-23 21:38:37,776 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1] [2023-11-23 21:38:37,776 INFO L748 eck$LassoCheckResult]: Stem: 811#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 812#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 815#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 840#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 805#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 806#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 839#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 835#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 830#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 831#L24 [2023-11-23 21:38:37,776 INFO L750 eck$LassoCheckResult]: Loop: 831#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#1(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 845#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 844#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 843#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 838#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 842#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 836#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 837#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 831#L24 [2023-11-23 21:38:37,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:37,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1269321585, now seen corresponding path program 1 times [2023-11-23 21:38:37,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:37,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830410936] [2023-11-23 21:38:37,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:37,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:37,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 21:38:37,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:38:37,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830410936] [2023-11-23 21:38:37,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830410936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:38:37,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:38:37,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:38:37,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952635142] [2023-11-23 21:38:37,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:38:37,867 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-23 21:38:37,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:37,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1088312668, now seen corresponding path program 1 times [2023-11-23 21:38:37,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:37,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804143499] [2023-11-23 21:38:37,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:37,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:37,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:37,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:38,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:38:38,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:38:38,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:38:38,247 INFO L87 Difference]: Start difference. First operand 47 states and 60 transitions. cyclomatic complexity: 20 Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2023-11-23 21:38:38,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:38:38,275 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2023-11-23 21:38:38,275 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 49 transitions. [2023-11-23 21:38:38,276 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2023-11-23 21:38:38,276 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 40 states and 49 transitions. [2023-11-23 21:38:38,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2023-11-23 21:38:38,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2023-11-23 21:38:38,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 49 transitions. [2023-11-23 21:38:38,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-23 21:38:38,277 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 49 transitions. [2023-11-23 21:38:38,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 49 transitions. [2023-11-23 21:38:38,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-23 21:38:38,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.225) internal successors, (49), 39 states have internal predecessors, (49), 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) [2023-11-23 21:38:38,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2023-11-23 21:38:38,281 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 49 transitions. [2023-11-23 21:38:38,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:38:38,282 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 49 transitions. [2023-11-23 21:38:38,282 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-23 21:38:38,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 49 transitions. [2023-11-23 21:38:38,283 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2023-11-23 21:38:38,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 21:38:38,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 21:38:38,284 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 2, 1, 1] [2023-11-23 21:38:38,284 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 21:38:38,285 INFO L748 eck$LassoCheckResult]: Stem: 907#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 908#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 912#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 932#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 933#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 931#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 929#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 926#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 913#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 914#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 935#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 901#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 902#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 910#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 911#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 915#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 900#L24-2 [2023-11-23 21:38:38,285 INFO L750 eck$LassoCheckResult]: Loop: 900#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 934#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 899#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 900#L24-2 [2023-11-23 21:38:38,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:38,285 INFO L85 PathProgramCache]: Analyzing trace with hash -697316797, now seen corresponding path program 4 times [2023-11-23 21:38:38,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:38,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164471770] [2023-11-23 21:38:38,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:38,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:38,481 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 21:38:38,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:38:38,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164471770] [2023-11-23 21:38:38,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164471770] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:38:38,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089227438] [2023-11-23 21:38:38,482 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 21:38:38,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:38:38,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:38,483 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:38:38,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:38,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2023-11-23 21:38:38,597 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 21:38:38,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 21:38:38,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:38:38,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:38,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 21:38:38,638 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 21:38:38,639 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:38:38,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089227438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:38:38,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:38:38,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-23 21:38:38,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491740380] [2023-11-23 21:38:38,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:38:38,640 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-23 21:38:38,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:38,641 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 3 times [2023-11-23 21:38:38,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:38,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734600560] [2023-11-23 21:38:38,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:38,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:38,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:38,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:38,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:38:38,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:38:38,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:38:38,711 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. cyclomatic complexity: 14 Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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) [2023-11-23 21:38:38,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:38:38,737 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2023-11-23 21:38:38,737 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2023-11-23 21:38:38,738 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2023-11-23 21:38:38,738 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 36 transitions. [2023-11-23 21:38:38,738 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-11-23 21:38:38,739 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2023-11-23 21:38:38,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 36 transitions. [2023-11-23 21:38:38,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-23 21:38:38,739 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 36 transitions. [2023-11-23 21:38:38,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 36 transitions. [2023-11-23 21:38:38,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2023-11-23 21:38:38,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 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) [2023-11-23 21:38:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2023-11-23 21:38:38,747 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 35 transitions. [2023-11-23 21:38:38,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:38:38,748 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 35 transitions. [2023-11-23 21:38:38,749 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-23 21:38:38,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 35 transitions. [2023-11-23 21:38:38,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2023-11-23 21:38:38,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 21:38:38,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 21:38:38,754 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 1, 1, 1] [2023-11-23 21:38:38,754 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 2, 2, 1, 1, 1] [2023-11-23 21:38:38,754 INFO L748 eck$LassoCheckResult]: Stem: 1036#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1037#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1040#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1035#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1030#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1031#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1034#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1057#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1041#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1042#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1038#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1039#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1049#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1046#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1045#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1044#L20 [2023-11-23 21:38:38,754 INFO L750 eck$LassoCheckResult]: Loop: 1044#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1043#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#1(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1032#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1033#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1028#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1029#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1056#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1055#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1054#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1053#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1052#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1051#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1047#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1048#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1050#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1044#L20 [2023-11-23 21:38:38,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:38,755 INFO L85 PathProgramCache]: Analyzing trace with hash -161041423, now seen corresponding path program 5 times [2023-11-23 21:38:38,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:38,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438531933] [2023-11-23 21:38:38,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:38,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:38,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:38,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:38,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:38,825 INFO L85 PathProgramCache]: Analyzing trace with hash -97586480, now seen corresponding path program 1 times [2023-11-23 21:38:38,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:38,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144286186] [2023-11-23 21:38:38,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:38,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:38,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:38,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:38,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:38,852 INFO L85 PathProgramCache]: Analyzing trace with hash 569106656, now seen corresponding path program 1 times [2023-11-23 21:38:38,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:38,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387077332] [2023-11-23 21:38:38,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:38,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:38,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:38,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:42,167 INFO L210 LassoAnalysis]: Preferences: [2023-11-23 21:38:42,167 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-23 21:38:42,167 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-23 21:38:42,167 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-23 21:38:42,167 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-23 21:38:42,167 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:42,168 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-23 21:38:42,168 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-23 21:38:42,168 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration7_Lasso [2023-11-23 21:38:42,168 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-23 21:38:42,168 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-23 21:38:42,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:42,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:43,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:43,134 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:43,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:43,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:43,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:43,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:43,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 21:38:43,738 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-23 21:38:43,738 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-23 21:38:43,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:43,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:43,739 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:43,747 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 [2023-11-23 21:38:43,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-23 21:38:43,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:43,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 21:38:43,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:43,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:43,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:43,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 21:38:43,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 21:38:43,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:43,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:43,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:43,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:43,792 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:43,795 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 [2023-11-23 21:38:43,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-23 21:38:43,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:43,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:43,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:43,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:43,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:43,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:43,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:43,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:43,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:43,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:43,856 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:43,859 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 [2023-11-23 21:38:43,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-23 21:38:43,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:43,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:43,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:43,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:43,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:43,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:43,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:43,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:43,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:43,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:43,914 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:43,916 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 [2023-11-23 21:38:43,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-23 21:38:43,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:43,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:43,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:43,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:43,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:43,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:43,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:43,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-23 21:38:43,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:43,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:43,971 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:43,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-23 21:38:43,973 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 [2023-11-23 21:38:43,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:43,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:43,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:43,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:43,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:43,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:43,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:44,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-23 21:38:44,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:44,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:44,009 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:44,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-23 21:38:44,016 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 [2023-11-23 21:38:44,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:44,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:44,028 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-23 21:38:44,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:44,040 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-23 21:38:44,040 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-23 21:38:44,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:44,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-11-23 21:38:44,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:44,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:44,077 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:44,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-23 21:38:44,078 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 [2023-11-23 21:38:44,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:44,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:44,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:44,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:44,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:44,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:44,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:44,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-11-23 21:38:44,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:44,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:44,114 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:44,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-23 21:38:44,116 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 [2023-11-23 21:38:44,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:44,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:44,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:44,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:44,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:44,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:44,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:44,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-11-23 21:38:44,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:44,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:44,161 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:44,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-23 21:38:44,163 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 [2023-11-23 21:38:44,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:44,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:44,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:44,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:44,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:44,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:44,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 21:38:44,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:44,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:44,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:44,200 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:44,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-23 21:38:44,202 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 [2023-11-23 21:38:44,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 21:38:44,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 21:38:44,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 21:38:44,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 21:38:44,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 21:38:44,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 21:38:44,221 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-23 21:38:44,236 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-23 21:38:44,236 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-23 21:38:44,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:38:44,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:44,240 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:44,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-23 21:38:44,241 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-23 21:38:44,254 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-23 21:38:44,254 INFO L513 LassoAnalysis]: Proved termination. [2023-11-23 21:38:44,254 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_2) = -2*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_2 + 1 Supporting invariants [] [2023-11-23 21:38:44,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-23 21:38:44,467 INFO L156 tatePredicateManager]: 38 out of 38 supporting invariants were superfluous and have been removed [2023-11-23 21:38:44,469 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~x2~0!base][~x2~0!offset] could not be translated [2023-11-23 21:38:44,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:44,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:38:44,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:44,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:38:44,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:44,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-11-23 21:38:44,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:44,718 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 21:38:44,719 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 [2023-11-23 21:38:44,719 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 35 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:38:44,742 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 35 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 77 transitions. Complement of second has 7 states. [2023-11-23 21:38:44,743 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 [2023-11-23 21:38:44,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:38:44,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2023-11-23 21:38:44,744 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 15 letters. [2023-11-23 21:38:44,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 21:38:44,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 30 letters. Loop has 15 letters. [2023-11-23 21:38:44,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 21:38:44,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 30 letters. [2023-11-23 21:38:44,746 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 21:38:44,746 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 77 transitions. [2023-11-23 21:38:44,747 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2023-11-23 21:38:44,748 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 65 states and 77 transitions. [2023-11-23 21:38:44,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2023-11-23 21:38:44,749 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2023-11-23 21:38:44,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 77 transitions. [2023-11-23 21:38:44,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-23 21:38:44,749 INFO L218 hiAutomatonCegarLoop]: Abstraction has 65 states and 77 transitions. [2023-11-23 21:38:44,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 77 transitions. [2023-11-23 21:38:44,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-23 21:38:44,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 64 states have internal predecessors, (77), 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) [2023-11-23 21:38:44,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2023-11-23 21:38:44,755 INFO L240 hiAutomatonCegarLoop]: Abstraction has 65 states and 77 transitions. [2023-11-23 21:38:44,755 INFO L428 stractBuchiCegarLoop]: Abstraction has 65 states and 77 transitions. [2023-11-23 21:38:44,755 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-23 21:38:44,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 77 transitions. [2023-11-23 21:38:44,756 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2023-11-23 21:38:44,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 21:38:44,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 21:38:44,757 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 1, 1, 1, 1, 1] [2023-11-23 21:38:44,757 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 2, 2, 1, 1, 1] [2023-11-23 21:38:44,757 INFO L748 eck$LassoCheckResult]: Stem: 1396#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1397#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1402#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1400#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1401#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1436#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1435#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1434#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1433#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1394#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1395#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1391#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1392#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1441#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1423#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1424#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1407#L24 assume !(0 == main_#t~mem7#1);havoc main_#t~mem7#1;call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(1, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1408#L24-2 [2023-11-23 21:38:44,758 INFO L750 eck$LassoCheckResult]: Loop: 1408#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1442#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1440#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1438#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1439#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1437#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1403#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1404#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1398#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1399#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1444#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1445#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1443#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1419#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1420#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#1(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1408#L24-2 [2023-11-23 21:38:44,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:44,758 INFO L85 PathProgramCache]: Analyzing trace with hash -141984138, now seen corresponding path program 1 times [2023-11-23 21:38:44,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:44,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735763563] [2023-11-23 21:38:44,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:44,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:44,869 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-23 21:38:44,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:38:44,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735763563] [2023-11-23 21:38:44,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735763563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:38:44,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:38:44,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:38:44,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047385350] [2023-11-23 21:38:44,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:38:44,870 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-23 21:38:44,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:44,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1365622390, now seen corresponding path program 2 times [2023-11-23 21:38:44,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:44,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168688443] [2023-11-23 21:38:44,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:44,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:44,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:44,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:45,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:38:45,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:38:45,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:38:45,612 INFO L87 Difference]: Start difference. First operand 65 states and 77 transitions. cyclomatic complexity: 19 Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-11-23 21:38:45,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:38:45,632 INFO L93 Difference]: Finished difference Result 84 states and 97 transitions. [2023-11-23 21:38:45,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 97 transitions. [2023-11-23 21:38:45,634 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 36 [2023-11-23 21:38:45,635 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 76 states and 88 transitions. [2023-11-23 21:38:45,635 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2023-11-23 21:38:45,635 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2023-11-23 21:38:45,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 76 states and 88 transitions. [2023-11-23 21:38:45,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-23 21:38:45,636 INFO L218 hiAutomatonCegarLoop]: Abstraction has 76 states and 88 transitions. [2023-11-23 21:38:45,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states and 88 transitions. [2023-11-23 21:38:45,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2023-11-23 21:38:45,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 74 states have (on average 1.162162162162162) internal successors, (86), 73 states have internal predecessors, (86), 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) [2023-11-23 21:38:45,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 86 transitions. [2023-11-23 21:38:45,645 INFO L240 hiAutomatonCegarLoop]: Abstraction has 74 states and 86 transitions. [2023-11-23 21:38:45,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:38:45,647 INFO L428 stractBuchiCegarLoop]: Abstraction has 74 states and 86 transitions. [2023-11-23 21:38:45,647 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-23 21:38:45,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 86 transitions. [2023-11-23 21:38:45,648 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 36 [2023-11-23 21:38:45,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 21:38:45,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 21:38:45,649 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 3, 2, 1, 1, 1, 1, 1] [2023-11-23 21:38:45,649 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 21:38:45,649 INFO L748 eck$LassoCheckResult]: Stem: 1555#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1556#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1558#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1582#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1549#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1550#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1584#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1587#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1586#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1585#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1583#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1577#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1578#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1574#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1573#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1566#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1564#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#1(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1565#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1572#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1618#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1613#L24-2 [2023-11-23 21:38:45,649 INFO L750 eck$LassoCheckResult]: Loop: 1613#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1616#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1612#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1613#L24-2 [2023-11-23 21:38:45,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:45,650 INFO L85 PathProgramCache]: Analyzing trace with hash 693278934, now seen corresponding path program 2 times [2023-11-23 21:38:45,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:45,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001947059] [2023-11-23 21:38:45,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:45,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:45,671 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:45,689 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:45,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:45,690 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 4 times [2023-11-23 21:38:45,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:45,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634075665] [2023-11-23 21:38:45,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:45,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:45,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:45,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:45,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:45,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1024996556, now seen corresponding path program 3 times [2023-11-23 21:38:45,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:45,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953290825] [2023-11-23 21:38:45,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:45,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:46,002 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-23 21:38:46,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:38:46,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953290825] [2023-11-23 21:38:46,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953290825] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:38:46,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029826145] [2023-11-23 21:38:46,003 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 21:38:46,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:38:46,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:46,004 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:38:46,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2023-11-23 21:38:46,130 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-23 21:38:46,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 21:38:46,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:38:46,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:46,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 21:38:46,151 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-23 21:38:46,151 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:38:46,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029826145] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:38:46,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:38:46,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2023-11-23 21:38:46,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104121364] [2023-11-23 21:38:46,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:38:46,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:38:46,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:38:46,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:38:46,218 INFO L87 Difference]: Start difference. First operand 74 states and 86 transitions. cyclomatic complexity: 18 Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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) [2023-11-23 21:38:46,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:38:46,244 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2023-11-23 21:38:46,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 80 transitions. [2023-11-23 21:38:46,247 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2023-11-23 21:38:46,249 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 74 states and 76 transitions. [2023-11-23 21:38:46,249 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2023-11-23 21:38:46,250 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 53 [2023-11-23 21:38:46,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 76 transitions. [2023-11-23 21:38:46,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-23 21:38:46,251 INFO L218 hiAutomatonCegarLoop]: Abstraction has 74 states and 76 transitions. [2023-11-23 21:38:46,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 76 transitions. [2023-11-23 21:38:46,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 68. [2023-11-23 21:38:46,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.0294117647058822) internal successors, (70), 67 states have internal predecessors, (70), 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) [2023-11-23 21:38:46,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2023-11-23 21:38:46,273 INFO L240 hiAutomatonCegarLoop]: Abstraction has 68 states and 70 transitions. [2023-11-23 21:38:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:38:46,274 INFO L428 stractBuchiCegarLoop]: Abstraction has 68 states and 70 transitions. [2023-11-23 21:38:46,275 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-23 21:38:46,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 70 transitions. [2023-11-23 21:38:46,276 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2023-11-23 21:38:46,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 21:38:46,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 21:38:46,277 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 4, 4, 2, 2, 1, 1, 1, 1] [2023-11-23 21:38:46,278 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [8, 8, 4, 4, 2, 2, 1, 1] [2023-11-23 21:38:46,279 INFO L748 eck$LassoCheckResult]: Stem: 1786#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1787#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1789#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1812#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1811#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1810#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1809#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1808#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1807#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1784#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1785#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1780#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1781#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1804#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1798#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1796#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1794#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#1(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1795#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1803#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1820#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1818#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1816#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1813#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1790#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1782#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1783#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1788#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1819#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1817#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1814#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1815#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1792#L24 assume !(0 == main_#t~mem7#1);havoc main_#t~mem7#1;call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(1, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1793#L24-2 [2023-11-23 21:38:46,279 INFO L750 eck$LassoCheckResult]: Loop: 1793#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1821#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1844#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1842#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1840#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1838#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1836#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1834#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1832#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1778#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1779#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1828#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1826#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1805#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1806#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#1(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1822#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1845#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1843#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1841#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1839#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1837#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1835#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1833#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1831#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1830#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1829#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1827#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1825#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1824#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1823#L24 assume !(0 == main_#t~mem7#1);havoc main_#t~mem7#1;call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(1, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1793#L24-2 [2023-11-23 21:38:46,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:46,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1450650533, now seen corresponding path program 1 times [2023-11-23 21:38:46,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:46,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945329434] [2023-11-23 21:38:46,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:46,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:46,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:46,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:46,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:46,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1011439773, now seen corresponding path program 1 times [2023-11-23 21:38:46,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:46,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85001610] [2023-11-23 21:38:46,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:46,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:46,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:46,401 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:46,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:46,402 INFO L85 PathProgramCache]: Analyzing trace with hash 783342599, now seen corresponding path program 2 times [2023-11-23 21:38:46,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:46,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840374426] [2023-11-23 21:38:46,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:46,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:46,943 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 227 proven. 20 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-23 21:38:46,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:38:46,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840374426] [2023-11-23 21:38:46,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840374426] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:38:46,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127492485] [2023-11-23 21:38:46,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 21:38:46,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:38:46,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:46,945 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:38:46,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2023-11-23 21:38:47,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 21:38:47,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 21:38:47,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:38:47,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:47,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 21:38:47,231 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 223 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-11-23 21:38:47,232 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:38:47,290 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 223 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-11-23 21:38:47,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127492485] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:38:47,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:38:47,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 8 [2023-11-23 21:38:47,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760456198] [2023-11-23 21:38:47,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:38:51,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:38:51,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:38:51,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:38:51,046 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. cyclomatic complexity: 4 Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 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) [2023-11-23 21:38:51,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:38:51,103 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2023-11-23 21:38:51,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 40 transitions. [2023-11-23 21:38:51,104 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-23 21:38:51,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2023-11-23 21:38:51,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-23 21:38:51,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-23 21:38:51,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-23 21:38:51,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 21:38:51,105 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:38:51,105 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:38:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:38:51,105 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:38:51,105 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-23 21:38:51,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:38:51,105 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-23 21:38:51,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-23 21:38:51,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 09:38:51 BoogieIcfgContainer [2023-11-23 21:38:51,112 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-23 21:38:51,113 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:38:51,113 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:38:51,113 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:38:51,114 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:38:23" (3/4) ... [2023-11-23 21:38:51,116 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:38:51,117 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:38:51,118 INFO L158 Benchmark]: Toolchain (without parser) took 28585.70ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 133.9MB in the beginning and 111.4MB in the end (delta: 22.5MB). Peak memory consumption was 142.7MB. Max. memory is 16.1GB. [2023-11-23 21:38:51,118 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory was 97.8MB in the beginning and 97.8MB in the end (delta: 69.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:38:51,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.24ms. Allocated memory is still 161.5MB. Free memory was 133.9MB in the beginning and 124.1MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 21:38:51,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.52ms. Allocated memory is still 161.5MB. Free memory was 124.1MB in the beginning and 122.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:38:51,119 INFO L158 Benchmark]: Boogie Preprocessor took 42.26ms. Allocated memory is still 161.5MB. Free memory was 122.7MB in the beginning and 120.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:38:51,120 INFO L158 Benchmark]: RCFGBuilder took 453.54ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 126.4MB in the end (delta: -5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 21:38:51,120 INFO L158 Benchmark]: BuchiAutomizer took 27778.94ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 125.7MB in the beginning and 111.4MB in the end (delta: 14.3MB). Peak memory consumption was 137.4MB. Max. memory is 16.1GB. [2023-11-23 21:38:51,120 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 283.1MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:38:51,122 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory was 97.8MB in the beginning and 97.8MB in the end (delta: 69.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.24ms. Allocated memory is still 161.5MB. Free memory was 133.9MB in the beginning and 124.1MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.52ms. Allocated memory is still 161.5MB. Free memory was 124.1MB in the beginning and 122.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.26ms. Allocated memory is still 161.5MB. Free memory was 122.7MB in the beginning and 120.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.54ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 126.4MB in the end (delta: -5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 27778.94ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 125.7MB in the beginning and 111.4MB in the end (delta: 14.3MB). Peak memory consumption was 137.4MB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 283.1MB. Free memory is still 111.4MB. 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#3[~x0~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~x1~0!base][~x1~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[~x0~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~x2~0!base][~x2~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (6 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 27.7s and 11 iterations. TraceHistogramMax:8. Analysis of lassos took 25.9s. Construction of modules took 0.1s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 9. Automata minimization 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 19 StatesRemovedByMinimization, 6 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, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 22/22 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 95 mSDtfsCounter, 108 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU4 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital273 mio100 ax100 hnf100 lsp94 ukn73 mio100 lsp24 div100 bol100 ite100 ukn100 eq160 hnf90 smp100 dnf101 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 53ms VariablesStem: 3 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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! [2023-11-23 21:38:51,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Forceful destruction successful, exit code 0 [2023-11-23 21:38:51,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Ended with exit code 0 [2023-11-23 21:38:51,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2023-11-23 21:38:51,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9bc83d7-d246-45cf-8893-15adad2eeb27/bin/uautomizer-verify-zZY32mL2XJ/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