./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya --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 b9049196bba7cbcb7cf3ded9c8379f49dc6ac79e222934a18b33266f1e0c667f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:45:05,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:45:05,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 05:45:05,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:45:05,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:45:05,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:45:05,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:45:05,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:45:05,451 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:45:05,451 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:45:05,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:45:05,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:45:05,453 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:45:05,453 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 05:45:05,454 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 05:45:05,454 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 05:45:05,455 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 05:45:05,455 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 05:45:05,456 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 05:45:05,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:45:05,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 05:45:05,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:45:05,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:45:05,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 05:45:05,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 05:45:05,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 05:45:05,462 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:45:05,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:45:05,462 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 05:45:05,463 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:45:05,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:45:05,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:45:05,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:45:05,464 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:45:05,465 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 05:45:05,465 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_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9049196bba7cbcb7cf3ded9c8379f49dc6ac79e222934a18b33266f1e0c667f [2023-11-29 05:45:05,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:45:05,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:45:05,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:45:05,702 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:45:05,702 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:45:05,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i [2023-11-29 05:45:08,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:45:08,701 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:45:08,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i [2023-11-29 05:45:08,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/data/99fba0ef2/42c0fcf3734843dd98138b88544c8fe1/FLAG7df669827 [2023-11-29 05:45:08,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/data/99fba0ef2/42c0fcf3734843dd98138b88544c8fe1 [2023-11-29 05:45:08,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:45:08,729 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:45:08,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:45:08,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:45:08,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:45:08,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:45:08" (1/1) ... [2023-11-29 05:45:08,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5989622f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:08, skipping insertion in model container [2023-11-29 05:45:08,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:45:08" (1/1) ... [2023-11-29 05:45:08,779 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:45:09,002 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:45:09,012 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:45:09,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:45:09,069 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:45:09,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:09 WrapperNode [2023-11-29 05:45:09,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:45:09,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:45:09,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:45:09,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:45:09,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:09" (1/1) ... [2023-11-29 05:45:09,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:09" (1/1) ... [2023-11-29 05:45:09,104 INFO L138 Inliner]: procedures = 110, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2023-11-29 05:45:09,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:45:09,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:45:09,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:45:09,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:45:09,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:09" (1/1) ... [2023-11-29 05:45:09,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:09" (1/1) ... [2023-11-29 05:45:09,116 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:09" (1/1) ... [2023-11-29 05:45:09,127 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 5 writes are split as follows [1, 4]. [2023-11-29 05:45:09,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:09" (1/1) ... [2023-11-29 05:45:09,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:09" (1/1) ... [2023-11-29 05:45:09,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:09" (1/1) ... [2023-11-29 05:45:09,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:09" (1/1) ... [2023-11-29 05:45:09,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:09" (1/1) ... [2023-11-29 05:45:09,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:09" (1/1) ... [2023-11-29 05:45:09,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:45:09,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:45:09,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:45:09,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:45:09,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:09" (1/1) ... [2023-11-29 05:45:09,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:09,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:09,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:09,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 05:45:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:45:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 05:45:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:45:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 05:45:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:45:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:45:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:45:09,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:45:09,294 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:45:09,295 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:45:09,394 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:45:09,401 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:45:09,402 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:45:09,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:45:09 BoogieIcfgContainer [2023-11-29 05:45:09,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:45:09,405 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 05:45:09,405 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 05:45:09,408 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 05:45:09,409 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:45:09,410 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 05:45:08" (1/3) ... [2023-11-29 05:45:09,411 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@121f0040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:45:09, skipping insertion in model container [2023-11-29 05:45:09,411 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:45:09,411 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:45:09" (2/3) ... [2023-11-29 05:45:09,411 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@121f0040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:45:09, skipping insertion in model container [2023-11-29 05:45:09,412 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:45:09,412 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:45:09" (3/3) ... [2023-11-29 05:45:09,413 INFO L332 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i [2023-11-29 05:45:09,463 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 05:45:09,463 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 05:45:09,463 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 05:45:09,463 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 05:45:09,464 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 05:45:09,464 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 05:45:09,464 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 05:45:09,464 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 05:45:09,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:09,481 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 05:45:09,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:45:09,482 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:45:09,486 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 05:45:09,486 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 05:45:09,486 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 05:45:09,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:09,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 05:45:09,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:45:09,488 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:45:09,488 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 05:45:09,488 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 05:45:09,494 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem5#1, main_~x~0#1.base, main_~x~0#1.offset, main_~debug~0#1.base, main_~debug~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~debug~0#1.base, main_~debug~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int#0(0, main_~debug~0#1.base, main_~debug~0#1.offset, 4); 9#L558-2true [2023-11-29 05:45:09,495 INFO L750 eck$LassoCheckResult]: Loop: 9#L558-2true call main_#t~mem5#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4); 11#L552-1true assume !!(main_#t~mem5#1 < 255);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4); 3#L553true assume !(0 != (if main_#t~mem6#1 < 0 && 0 != main_#t~mem6#1 % 2 then main_#t~mem6#1 % 2 - 2 else main_#t~mem6#1 % 2));havoc main_#t~mem6#1;call main_#t~mem9#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#1(2 + main_#t~mem9#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1; 8#L553-2true call main_#t~mem10#1 := read~int#0(main_~debug~0#1.base, main_~debug~0#1.offset, 4); 6#L558true assume 0 != main_#t~mem10#1;havoc main_#t~mem10#1;call write~int#1(0, main_~x~0#1.base, main_~x~0#1.offset, 4); 9#L558-2true [2023-11-29 05:45:09,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:09,499 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-29 05:45:09,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:09,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528207181] [2023-11-29 05:45:09,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:09,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:09,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:45:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:09,647 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:45:09,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:09,650 INFO L85 PathProgramCache]: Analyzing trace with hash 35468238, now seen corresponding path program 1 times [2023-11-29 05:45:09,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:09,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291306504] [2023-11-29 05:45:09,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:09,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:09,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:45:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:09,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:45:09,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:09,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907724, now seen corresponding path program 1 times [2023-11-29 05:45:09,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:09,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293951751] [2023-11-29 05:45:09,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:09,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:09,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:09,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:09,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293951751] [2023-11-29 05:45:09,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293951751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:09,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:09,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:45:09,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486442578] [2023-11-29 05:45:09,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:10,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:10,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:45:10,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:45:10,132 INFO L87 Difference]: Start difference. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2023-11-29 05:45:10,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:10,155 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2023-11-29 05:45:10,157 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2023-11-29 05:45:10,157 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 05:45:10,160 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 7 states and 8 transitions. [2023-11-29 05:45:10,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-29 05:45:10,161 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-29 05:45:10,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2023-11-29 05:45:10,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:45:10,162 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-11-29 05:45:10,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2023-11-29 05:45:10,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2023-11-29 05:45:10,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:45:10,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2023-11-29 05:45:10,181 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-11-29 05:45:10,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:45:10,185 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-11-29 05:45:10,185 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 05:45:10,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2023-11-29 05:45:10,186 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 05:45:10,186 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:45:10,186 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:45:10,186 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 05:45:10,186 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 05:45:10,187 INFO L748 eck$LassoCheckResult]: Stem: 40#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 41#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem5#1, main_~x~0#1.base, main_~x~0#1.offset, main_~debug~0#1.base, main_~debug~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~debug~0#1.base, main_~debug~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int#0(0, main_~debug~0#1.base, main_~debug~0#1.offset, 4); 39#L558-2 [2023-11-29 05:45:10,187 INFO L750 eck$LassoCheckResult]: Loop: 39#L558-2 call main_#t~mem5#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4); 42#L552-1 assume !!(main_#t~mem5#1 < 255);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4); 36#L553 assume !(0 != (if main_#t~mem6#1 < 0 && 0 != main_#t~mem6#1 % 2 then main_#t~mem6#1 % 2 - 2 else main_#t~mem6#1 % 2));havoc main_#t~mem6#1;call main_#t~mem9#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#1(2 + main_#t~mem9#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1; 37#L553-2 call main_#t~mem10#1 := read~int#0(main_~debug~0#1.base, main_~debug~0#1.offset, 4); 38#L558 assume !(0 != main_#t~mem10#1);havoc main_#t~mem10#1; 39#L558-2 [2023-11-29 05:45:10,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:10,188 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2023-11-29 05:45:10,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:10,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116893219] [2023-11-29 05:45:10,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:10,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:10,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:45:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:10,214 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:45:10,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:10,215 INFO L85 PathProgramCache]: Analyzing trace with hash 35468240, now seen corresponding path program 1 times [2023-11-29 05:45:10,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:10,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280903773] [2023-11-29 05:45:10,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:10,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:10,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:45:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:10,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:45:10,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:10,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907726, now seen corresponding path program 1 times [2023-11-29 05:45:10,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:10,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874120974] [2023-11-29 05:45:10,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:10,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:10,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:45:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:10,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:45:10,686 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:45:10,687 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:45:10,687 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:45:10,687 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:45:10,687 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:45:10,687 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:10,687 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:45:10,688 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:45:10,688 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i_Iteration2_Lasso [2023-11-29 05:45:10,688 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:45:10,688 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:45:10,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:10,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:10,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:10,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:10,725 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:10,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:10,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:10,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:10,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:10,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:10,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:10,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:10,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:11,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:11,350 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:45:11,355 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:45:11,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:11,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:11,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:11,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 05:45:11,363 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 [2023-11-29 05:45:11,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:11,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:45:11,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:11,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:11,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:11,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:45:11,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:45:11,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:11,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:45:11,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:11,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:11,391 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:11,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 05:45:11,397 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 [2023-11-29 05:45:11,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:11,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:45:11,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:11,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:11,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:11,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:45:11,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:45:11,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:11,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 05:45:11,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:11,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:11,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:11,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 05:45:11,418 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 [2023-11-29 05:45:11,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:11,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:11,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:11,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:11,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:45:11,435 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:45:11,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:11,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 05:45:11,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:11,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:11,445 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:11,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 05:45:11,448 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 [2023-11-29 05:45:11,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:11,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:11,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:11,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:11,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:45:11,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:45:11,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:11,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-29 05:45:11,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:11,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:11,475 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:11,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 05:45:11,479 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 [2023-11-29 05:45:11,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:11,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:45:11,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:11,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:11,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:11,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:45:11,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:45:11,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:11,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 05:45:11,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:11,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:11,500 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:11,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 05:45:11,504 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 [2023-11-29 05:45:11,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:11,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:11,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:11,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:11,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:45:11,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:45:11,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:11,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 05:45:11,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:11,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:11,534 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:11,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 05:45:11,537 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 [2023-11-29 05:45:11,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:11,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:45:11,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:11,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:11,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:11,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:45:11,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:45:11,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:11,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 05:45:11,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:11,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:11,557 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:11,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 05:45:11,560 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 [2023-11-29 05:45:11,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:11,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:45:11,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:11,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:11,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:11,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:45:11,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:45:11,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:11,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 05:45:11,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:11,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:11,577 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:11,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 05:45:11,579 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 [2023-11-29 05:45:11,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:11,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:45:11,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:11,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:11,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:11,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:45:11,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:45:11,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:11,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 05:45:11,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:11,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:11,602 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:11,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 05:45:11,605 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 [2023-11-29 05:45:11,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:11,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:45:11,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:11,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:11,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:11,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:45:11,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:45:11,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:11,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 05:45:11,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:11,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:11,621 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:11,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 05:45:11,623 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 [2023-11-29 05:45:11,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:11,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:11,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:11,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:11,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:45:11,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:45:11,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:11,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 05:45:11,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:11,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:11,645 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:11,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 05:45:11,647 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 [2023-11-29 05:45:11,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:11,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:11,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:11,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:11,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:45:11,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:45:11,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:11,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-29 05:45:11,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:11,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:11,669 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:11,673 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 [2023-11-29 05:45:11,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 05:45:11,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:11,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:11,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:11,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:11,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:45:11,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:45:11,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:11,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 05:45:11,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:11,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:11,702 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:11,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 05:45:11,705 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 [2023-11-29 05:45:11,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:11,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:11,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:11,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:11,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:45:11,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:45:11,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:11,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 05:45:11,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:11,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:11,733 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:11,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 05:45:11,735 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 [2023-11-29 05:45:11,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:11,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:45:11,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:11,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:11,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:11,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:45:11,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:45:11,749 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:45:11,754 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 05:45:11,754 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 05:45:11,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:11,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:11,781 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:11,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 05:45:11,783 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:45:11,783 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 05:45:11,783 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:45:11,783 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1) = -1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 + 255 Supporting invariants [] [2023-11-29 05:45:11,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 05:45:11,832 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2023-11-29 05:45:11,839 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~x~0!base][~x~0!offset] could not be translated [2023-11-29 05:45:11,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:11,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:45:11,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:45:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:11,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 05:45:11,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:45:11,960 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 45 treesize of output 18 [2023-11-29 05:45:11,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 05:45:12,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:12,006 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-11-29 05:45:12,008 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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) [2023-11-29 05:45:12,053 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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) Result 18 states and 21 transitions. Complement of second has 9 states. [2023-11-29 05:45:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-29 05:45:12,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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) [2023-11-29 05:45:12,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2023-11-29 05:45:12,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 2 letters. Loop has 5 letters. [2023-11-29 05:45:12,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:45:12,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 7 letters. Loop has 5 letters. [2023-11-29 05:45:12,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:45:12,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 2 letters. Loop has 10 letters. [2023-11-29 05:45:12,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:45:12,057 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2023-11-29 05:45:12,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 05:45:12,059 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 21 transitions. [2023-11-29 05:45:12,059 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-29 05:45:12,059 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-29 05:45:12,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2023-11-29 05:45:12,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:45:12,060 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2023-11-29 05:45:12,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2023-11-29 05:45:12,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2023-11-29 05:45:12,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 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) [2023-11-29 05:45:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2023-11-29 05:45:12,062 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-11-29 05:45:12,062 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-11-29 05:45:12,062 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 05:45:12,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2023-11-29 05:45:12,063 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 05:45:12,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:45:12,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:45:12,064 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-29 05:45:12,064 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 05:45:12,064 INFO L748 eck$LassoCheckResult]: Stem: 159#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 160#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem5#1, main_~x~0#1.base, main_~x~0#1.offset, main_~debug~0#1.base, main_~debug~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~debug~0#1.base, main_~debug~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int#0(0, main_~debug~0#1.base, main_~debug~0#1.offset, 4); 163#L558-2 call main_#t~mem5#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4); 161#L552-1 assume !!(main_#t~mem5#1 < 255);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4); 150#L553 assume 0 != (if main_#t~mem6#1 < 0 && 0 != main_#t~mem6#1 % 2 then main_#t~mem6#1 % 2 - 2 else main_#t~mem6#1 % 2);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#1(main_#t~post8#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 151#L553-2 [2023-11-29 05:45:12,064 INFO L750 eck$LassoCheckResult]: Loop: 151#L553-2 call main_#t~mem10#1 := read~int#0(main_~debug~0#1.base, main_~debug~0#1.offset, 4); 158#L558 assume !(0 != main_#t~mem10#1);havoc main_#t~mem10#1; 166#L558-2 call main_#t~mem5#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4); 164#L552-1 assume !!(main_#t~mem5#1 < 255);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4); 165#L553 assume !(0 != (if main_#t~mem6#1 < 0 && 0 != main_#t~mem6#1 % 2 then main_#t~mem6#1 % 2 - 2 else main_#t~mem6#1 % 2));havoc main_#t~mem6#1;call main_#t~mem9#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#1(2 + main_#t~mem9#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1; 151#L553-2 [2023-11-29 05:45:12,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:12,065 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2023-11-29 05:45:12,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:12,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533454579] [2023-11-29 05:45:12,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:12,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:12,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:45:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:12,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:45:12,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:12,099 INFO L85 PathProgramCache]: Analyzing trace with hash 46898150, now seen corresponding path program 2 times [2023-11-29 05:45:12,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:12,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244465392] [2023-11-29 05:45:12,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:12,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:12,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:45:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:12,117 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:45:12,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:12,118 INFO L85 PathProgramCache]: Analyzing trace with hash 705693312, now seen corresponding path program 1 times [2023-11-29 05:45:12,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:12,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135124131] [2023-11-29 05:45:12,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:12,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:12,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:45:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:12,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:45:12,566 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:45:12,566 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:45:12,566 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:45:12,567 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:45:12,567 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:45:12,567 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:12,567 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:45:12,567 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:45:12,567 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i_Iteration3_Lasso [2023-11-29 05:45:12,567 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:45:12,567 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:45:12,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:12,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:12,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:12,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:12,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:12,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:12,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:12,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:12,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:12,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:12,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:12,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:12,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:12,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:45:13,254 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:45:13,255 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:45:13,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:13,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:13,257 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:13,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 05:45:13,259 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 [2023-11-29 05:45:13,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:13,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:45:13,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:13,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:13,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:13,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:45:13,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:45:13,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:13,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 05:45:13,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:13,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:13,275 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:13,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 05:45:13,277 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 [2023-11-29 05:45:13,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:13,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:13,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:13,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:13,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:45:13,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:45:13,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:13,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 05:45:13,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:13,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:13,302 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:13,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 05:45:13,304 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 [2023-11-29 05:45:13,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:13,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:13,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:13,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:13,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:45:13,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:45:13,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:45:13,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 05:45:13,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:13,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:13,328 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:13,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 05:45:13,333 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 [2023-11-29 05:45:13,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:45:13,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:45:13,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:45:13,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:45:13,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:45:13,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:45:13,360 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:45:13,372 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-29 05:45:13,373 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-11-29 05:45:13,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:45:13,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:45:13,374 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:45:13,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 05:45:13,385 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:45:13,399 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 05:45:13,399 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:45:13,399 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x~0#1.base) 0)_1) = -1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x~0#1.base) 0)_1 + 255 Supporting invariants [] [2023-11-29 05:45:13,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 05:45:13,438 INFO L156 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2023-11-29 05:45:13,441 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~x~0!base][0] could not be translated [2023-11-29 05:45:13,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:13,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:45:13,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:45:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:13,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 05:45:13,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:45:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:13,576 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-29 05:45:13,576 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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) [2023-11-29 05:45:13,642 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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 27 states and 32 transitions. Complement of second has 10 states. [2023-11-29 05:45:13,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-29 05:45:13,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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) [2023-11-29 05:45:13,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2023-11-29 05:45:13,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 5 letters. [2023-11-29 05:45:13,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:45:13,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 10 letters. Loop has 5 letters. [2023-11-29 05:45:13,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:45:13,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 10 letters. [2023-11-29 05:45:13,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:45:13,646 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2023-11-29 05:45:13,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 05:45:13,648 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 32 transitions. [2023-11-29 05:45:13,648 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-29 05:45:13,649 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-29 05:45:13,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 32 transitions. [2023-11-29 05:45:13,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:45:13,649 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 32 transitions. [2023-11-29 05:45:13,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 32 transitions. [2023-11-29 05:45:13,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-29 05:45:13,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 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) [2023-11-29 05:45:13,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2023-11-29 05:45:13,652 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 32 transitions. [2023-11-29 05:45:13,652 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2023-11-29 05:45:13,652 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 05:45:13,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2023-11-29 05:45:13,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 05:45:13,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:45:13,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:45:13,654 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1] [2023-11-29 05:45:13,654 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 05:45:13,654 INFO L748 eck$LassoCheckResult]: Stem: 314#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 315#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem5#1, main_~x~0#1.base, main_~x~0#1.offset, main_~debug~0#1.base, main_~debug~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~debug~0#1.base, main_~debug~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int#0(0, main_~debug~0#1.base, main_~debug~0#1.offset, 4); 321#L558-2 call main_#t~mem5#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4); 319#L552-1 assume !!(main_#t~mem5#1 < 255);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4); 306#L553 assume 0 != (if main_#t~mem6#1 < 0 && 0 != main_#t~mem6#1 % 2 then main_#t~mem6#1 % 2 - 2 else main_#t~mem6#1 % 2);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#1(main_#t~post8#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 307#L553-2 call main_#t~mem10#1 := read~int#0(main_~debug~0#1.base, main_~debug~0#1.offset, 4); 323#L558 assume !(0 != main_#t~mem10#1);havoc main_#t~mem10#1; 329#L558-2 call main_#t~mem5#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4); 327#L552-1 assume !!(main_#t~mem5#1 < 255);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4); 325#L553 assume 0 != (if main_#t~mem6#1 < 0 && 0 != main_#t~mem6#1 % 2 then main_#t~mem6#1 % 2 - 2 else main_#t~mem6#1 % 2);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#1(main_#t~post8#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 316#L553-2 [2023-11-29 05:45:13,654 INFO L750 eck$LassoCheckResult]: Loop: 316#L553-2 call main_#t~mem10#1 := read~int#0(main_~debug~0#1.base, main_~debug~0#1.offset, 4); 317#L558 assume !(0 != main_#t~mem10#1);havoc main_#t~mem10#1; 328#L558-2 call main_#t~mem5#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4); 326#L552-1 assume !!(main_#t~mem5#1 < 255);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4); 324#L553 assume !(0 != (if main_#t~mem6#1 < 0 && 0 != main_#t~mem6#1 % 2 then main_#t~mem6#1 % 2 - 2 else main_#t~mem6#1 % 2));havoc main_#t~mem6#1;call main_#t~mem9#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#1(2 + main_#t~mem9#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1; 316#L553-2 [2023-11-29 05:45:13,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:13,655 INFO L85 PathProgramCache]: Analyzing trace with hash 705693310, now seen corresponding path program 1 times [2023-11-29 05:45:13,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:13,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302234224] [2023-11-29 05:45:13,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:13,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:45:14,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-29 05:45:14,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:45:14,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:45:14,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302234224] [2023-11-29 05:45:14,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302234224] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:45:14,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:45:14,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:45:14,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273352115] [2023-11-29 05:45:14,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:45:14,207 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:45:14,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:45:14,208 INFO L85 PathProgramCache]: Analyzing trace with hash 46898150, now seen corresponding path program 3 times [2023-11-29 05:45:14,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:45:14,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765164952] [2023-11-29 05:45:14,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:45:14,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:45:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:14,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:45:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:45:14,220 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:45:14,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:45:14,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:45:14,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:45:14,306 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 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) [2023-11-29 05:45:14,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:45:14,349 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2023-11-29 05:45:14,349 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2023-11-29 05:45:14,350 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 05:45:14,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2023-11-29 05:45:14,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 05:45:14,350 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 05:45:14,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 05:45:14,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:45:14,350 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:45:14,351 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:45:14,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:45:14,352 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:45:14,352 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 05:45:14,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:45:14,353 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 05:45:14,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 05:45:14,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 05:45:14 BoogieIcfgContainer [2023-11-29 05:45:14,359 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 05:45:14,360 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:45:14,360 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:45:14,360 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:45:14,360 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:45:09" (3/4) ... [2023-11-29 05:45:14,362 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:45:14,363 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:45:14,364 INFO L158 Benchmark]: Toolchain (without parser) took 5634.09ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 105.7MB in the beginning and 130.6MB in the end (delta: -24.9MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-11-29 05:45:14,364 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory was 60.7MB in the beginning and 60.5MB in the end (delta: 188.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:45:14,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.11ms. Allocated memory is still 151.0MB. Free memory was 105.7MB in the beginning and 89.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 05:45:14,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.16ms. Allocated memory is still 151.0MB. Free memory was 89.8MB in the beginning and 87.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:45:14,366 INFO L158 Benchmark]: Boogie Preprocessor took 36.07ms. Allocated memory is still 151.0MB. Free memory was 87.9MB in the beginning and 86.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:45:14,366 INFO L158 Benchmark]: RCFGBuilder took 262.01ms. Allocated memory is still 151.0MB. Free memory was 86.2MB in the beginning and 75.3MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 05:45:14,366 INFO L158 Benchmark]: BuchiAutomizer took 4954.73ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 74.8MB in the beginning and 131.7MB in the end (delta: -56.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:45:14,367 INFO L158 Benchmark]: Witness Printer took 3.25ms. Allocated memory is still 205.5MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:45:14,369 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory was 60.7MB in the beginning and 60.5MB in the end (delta: 188.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.11ms. Allocated memory is still 151.0MB. Free memory was 105.7MB in the beginning and 89.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.16ms. Allocated memory is still 151.0MB. Free memory was 89.8MB in the beginning and 87.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.07ms. Allocated memory is still 151.0MB. Free memory was 87.9MB in the beginning and 86.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 262.01ms. Allocated memory is still 151.0MB. Free memory was 86.2MB in the beginning and 75.3MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 4954.73ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 74.8MB in the beginning and 131.7MB in the end (delta: -56.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.25ms. Allocated memory is still 205.5MB. Free memory is still 130.6MB. 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#1[~x~0!base][~x~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~x~0!base][0] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 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 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 4.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 27 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital181 mio100 ax109 hnf100 lsp87 ukn73 mio100 lsp23 div254 bol100 ite100 ukn100 eq152 hnf94 smp50 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 05:45:14,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd092341-b780-4c7a-8a21-50c57a731755/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE